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-rw-r--r--src/main/java/org/unitConverter/converterGUI/DefaultPrefixRepetitionRule.java95
-rw-r--r--src/main/java/org/unitConverter/converterGUI/DelegateListModel.java242
-rw-r--r--src/main/java/org/unitConverter/converterGUI/FilterComparator.java129
-rw-r--r--src/main/java/org/unitConverter/converterGUI/GridBagBuilder.java479
-rw-r--r--src/main/java/org/unitConverter/converterGUI/MutablePredicate.java70
-rw-r--r--src/main/java/org/unitConverter/converterGUI/SearchBoxList.java320
-rw-r--r--src/main/java/org/unitConverter/converterGUI/UnitConverterGUI.java1503
-rw-r--r--src/main/java/org/unitConverter/converterGUI/package-info.java24
8 files changed, 2862 insertions, 0 deletions
diff --git a/src/main/java/org/unitConverter/converterGUI/DefaultPrefixRepetitionRule.java b/src/main/java/org/unitConverter/converterGUI/DefaultPrefixRepetitionRule.java
new file mode 100644
index 0000000..bdc3a2e
--- /dev/null
+++ b/src/main/java/org/unitConverter/converterGUI/DefaultPrefixRepetitionRule.java
@@ -0,0 +1,95 @@
+/**
+ * @since 2020-08-26
+ */
+package org.unitConverter.converterGUI;
+
+import java.util.List;
+import java.util.function.Predicate;
+
+import org.unitConverter.unit.SI;
+import org.unitConverter.unit.UnitPrefix;
+
+/**
+ * A rule that specifies whether prefix repetition is allowed
+ *
+ * @since 2020-08-26
+ */
+enum DefaultPrefixRepetitionRule implements Predicate<List<UnitPrefix>> {
+ NO_REPETITION {
+ @Override
+ public boolean test(List<UnitPrefix> prefixes) {
+ return prefixes.size() <= 1;
+ }
+ },
+ NO_RESTRICTION {
+ @Override
+ public boolean test(List<UnitPrefix> prefixes) {
+ return true;
+ }
+ },
+ /**
+ * You are allowed to have any number of Yotta/Yocto followed by possibly one
+ * Kilo-Zetta/Milli-Zepto followed by possibly one Deca/Hecto. Same for
+ * reducing prefixes, don't mix magnifying and reducing. Non-metric
+ * (including binary) prefixes can't be repeated.
+ */
+ COMPLEX_REPETITION {
+ @Override
+ public boolean test(List<UnitPrefix> prefixes) {
+ // determine whether we are magnifying or reducing
+ final boolean magnifying;
+ if (prefixes.isEmpty())
+ return true;
+ else if (prefixes.get(0).getMultiplier() > 1) {
+ magnifying = true;
+ } else {
+ magnifying = false;
+ }
+
+ // if the first prefix is non-metric (including binary prefixes),
+ // assume we are using non-metric prefixes
+ // non-metric prefixes are allowed, but can't be repeated.
+ if (!SI.DECIMAL_PREFIXES.contains(prefixes.get(0)))
+ return NO_REPETITION.test(prefixes);
+
+ int part = 0; // 0=yotta/yoctos, 1=kilo-zetta/milli-zepto,
+ // 2=deka,hecto,deci,centi
+
+ for (final UnitPrefix prefix : prefixes) {
+ // check that the current prefix is metric and appropriately
+ // magnifying/reducing
+ if (!SI.DECIMAL_PREFIXES.contains(prefix))
+ return false;
+ if (magnifying != prefix.getMultiplier() > 1)
+ return false;
+
+ // check if the current prefix is correct
+ // since part is set *after* this check, part designates the state
+ // of the *previous* prefix
+ switch (part) {
+ case 0:
+ // do nothing, any prefix is valid after a yotta
+ break;
+ case 1:
+ // after a kilo-zetta, only deka/hecto are valid
+ if (SI.THOUSAND_PREFIXES.contains(prefix))
+ return false;
+ break;
+ case 2:
+ // deka/hecto must be the last prefix, so this is always invalid
+ return false;
+ }
+
+ // set part
+ if (SI.YOTTA.equals(prefix) || SI.YOCTO.equals(prefix)) {
+ part = 0;
+ } else if (SI.THOUSAND_PREFIXES.contains(prefix)) {
+ part = 1;
+ } else {
+ part = 2;
+ }
+ }
+ return true;
+ }
+ };
+}
diff --git a/src/main/java/org/unitConverter/converterGUI/DelegateListModel.java b/src/main/java/org/unitConverter/converterGUI/DelegateListModel.java
new file mode 100644
index 0000000..b80f63d
--- /dev/null
+++ b/src/main/java/org/unitConverter/converterGUI/DelegateListModel.java
@@ -0,0 +1,242 @@
+/**
+ * Copyright (C) 2018 Adrien Hopkins
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program. If not, see <https://www.gnu.org/licenses/>.
+ */
+package org.unitConverter.converterGUI;
+
+import java.util.ArrayList;
+import java.util.Collection;
+import java.util.Iterator;
+import java.util.List;
+import java.util.ListIterator;
+
+import javax.swing.AbstractListModel;
+
+/**
+ * A list model that delegates to a list.
+ * <p>
+ * It is recommended to use the delegate methods in DelegateListModel instead of the delegated list's methods because
+ * the delegate methods handle updating the list.
+ * </p>
+ *
+ * @author Adrien Hopkins
+ * @since 2019-01-14
+ * @since v0.1.0
+ */
+final class DelegateListModel<E> extends AbstractListModel<E> implements List<E> {
+ /**
+ * @since 2019-01-14
+ * @since v0.1.0
+ */
+ private static final long serialVersionUID = 8985494428224810045L;
+
+ /**
+ * The list that this model is a delegate to.
+ *
+ * @since 2019-01-14
+ * @since v0.1.0
+ */
+ private final List<E> delegate;
+
+ /**
+ * Creates an empty {@code DelegateListModel}.
+ *
+ * @since 2019-04-13
+ */
+ public DelegateListModel() {
+ this(new ArrayList<>());
+ }
+
+ /**
+ * Creates the {@code DelegateListModel}.
+ *
+ * @param delegate
+ * list to delegate
+ * @since 2019-01-14
+ * @since v0.1.0
+ */
+ public DelegateListModel(final List<E> delegate) {
+ this.delegate = delegate;
+ }
+
+ @Override
+ public boolean add(final E element) {
+ final int index = this.delegate.size();
+ final boolean success = this.delegate.add(element);
+ this.fireIntervalAdded(this, index, index);
+ return success;
+ }
+
+ @Override
+ public void add(final int index, final E element) {
+ this.delegate.add(index, element);
+ this.fireIntervalAdded(this, index, index);
+ }
+
+ @Override
+ public boolean addAll(final Collection<? extends E> c) {
+ boolean changed = false;
+ for (final E e : c) {
+ if (this.add(e)) {
+ changed = true;
+ }
+ }
+ return changed;
+ }
+
+ @Override
+ public boolean addAll(final int index, final Collection<? extends E> c) {
+ for (final E e : c) {
+ this.add(index, e);
+ }
+ return !c.isEmpty(); // Since this is a list, it will always change if c has elements.
+ }
+
+ @Override
+ public void clear() {
+ final int oldSize = this.delegate.size();
+ this.delegate.clear();
+ if (oldSize >= 1) {
+ this.fireIntervalRemoved(this, 0, oldSize - 1);
+ }
+ }
+
+ @Override
+ public boolean contains(final Object elem) {
+ return this.delegate.contains(elem);
+ }
+
+ @Override
+ public boolean containsAll(final Collection<?> c) {
+ for (final Object e : c) {
+ if (!c.contains(e))
+ return false;
+ }
+ return true;
+ }
+
+ @Override
+ public E get(final int index) {
+ return this.delegate.get(index);
+ }
+
+ @Override
+ public E getElementAt(final int index) {
+ return this.delegate.get(index);
+ }
+
+ @Override
+ public int getSize() {
+ return this.delegate.size();
+ }
+
+ @Override
+ public int indexOf(final Object elem) {
+ return this.delegate.indexOf(elem);
+ }
+
+ @Override
+ public boolean isEmpty() {
+ return this.delegate.isEmpty();
+ }
+
+ @Override
+ public Iterator<E> iterator() {
+ return this.delegate.iterator();
+ }
+
+ @Override
+ public int lastIndexOf(final Object elem) {
+ return this.delegate.lastIndexOf(elem);
+ }
+
+ @Override
+ public ListIterator<E> listIterator() {
+ return this.delegate.listIterator();
+ }
+
+ @Override
+ public ListIterator<E> listIterator(final int index) {
+ return this.delegate.listIterator(index);
+ }
+
+ @Override
+ public E remove(final int index) {
+ final E returnValue = this.delegate.get(index);
+ this.delegate.remove(index);
+ this.fireIntervalRemoved(this, index, index);
+ return returnValue;
+ }
+
+ @Override
+ public boolean remove(final Object o) {
+ final int index = this.delegate.indexOf(o);
+ final boolean returnValue = this.delegate.remove(o);
+ this.fireIntervalRemoved(this, index, index);
+ return returnValue;
+ }
+
+ @Override
+ public boolean removeAll(final Collection<?> c) {
+ boolean changed = false;
+ for (final Object e : c) {
+ if (this.remove(e)) {
+ changed = true;
+ }
+ }
+ return changed;
+ }
+
+ @Override
+ public boolean retainAll(final Collection<?> c) {
+ final int oldSize = this.size();
+ final boolean returnValue = this.delegate.retainAll(c);
+ this.fireIntervalRemoved(this, this.size(), oldSize - 1);
+ return returnValue;
+ }
+
+ @Override
+ public E set(final int index, final E element) {
+ final E returnValue = this.delegate.get(index);
+ this.delegate.set(index, element);
+ this.fireContentsChanged(this, index, index);
+ return returnValue;
+ }
+
+ @Override
+ public int size() {
+ return this.delegate.size();
+ }
+
+ @Override
+ public List<E> subList(final int fromIndex, final int toIndex) {
+ return this.delegate.subList(fromIndex, toIndex);
+ }
+
+ @Override
+ public Object[] toArray() {
+ return this.delegate.toArray();
+ }
+
+ @Override
+ public <T> T[] toArray(final T[] a) {
+ return this.delegate.toArray(a);
+ }
+
+ @Override
+ public String toString() {
+ return this.delegate.toString();
+ }
+}
diff --git a/src/main/java/org/unitConverter/converterGUI/FilterComparator.java b/src/main/java/org/unitConverter/converterGUI/FilterComparator.java
new file mode 100644
index 0000000..9b77f21
--- /dev/null
+++ b/src/main/java/org/unitConverter/converterGUI/FilterComparator.java
@@ -0,0 +1,129 @@
+/**
+ * Copyright (C) 2018 Adrien Hopkins
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program. If not, see <https://www.gnu.org/licenses/>.
+ */
+package org.unitConverter.converterGUI;
+
+import java.util.Comparator;
+import java.util.Objects;
+
+/**
+ * A comparator that compares strings using a filter.
+ *
+ * @author Adrien Hopkins
+ * @since 2019-01-15
+ * @since v0.1.0
+ */
+final class FilterComparator implements Comparator<String> {
+ /**
+ * The filter that the comparator is filtered by.
+ *
+ * @since 2019-01-15
+ * @since v0.1.0
+ */
+ private final String filter;
+ /**
+ * The comparator to use if the arguments are otherwise equal.
+ *
+ * @since 2019-01-15
+ * @since v0.1.0
+ */
+ private final Comparator<String> comparator;
+ /**
+ * Whether or not the comparison is case-sensitive.
+ *
+ * @since 2019-04-14
+ * @since v0.2.0
+ */
+ private final boolean caseSensitive;
+
+ /**
+ * Creates the {@code FilterComparator}.
+ *
+ * @param filter
+ * @since 2019-01-15
+ * @since v0.1.0
+ */
+ public FilterComparator(final String filter) {
+ this(filter, null);
+ }
+
+ /**
+ * Creates the {@code FilterComparator}.
+ *
+ * @param filter
+ * string to filter by
+ * @param comparator
+ * comparator to fall back to if all else fails, null is compareTo.
+ * @throws NullPointerException
+ * if filter is null
+ * @since 2019-01-15
+ * @since v0.1.0
+ */
+ public FilterComparator(final String filter, final Comparator<String> comparator) {
+ this(filter, comparator, false);
+ }
+
+ /**
+ * Creates the {@code FilterComparator}.
+ *
+ * @param filter
+ * string to filter by
+ * @param comparator
+ * comparator to fall back to if all else fails, null is compareTo.
+ * @param caseSensitive
+ * whether or not the comparator is case-sensitive
+ * @throws NullPointerException
+ * if filter is null
+ * @since 2019-04-14
+ * @since v0.2.0
+ */
+ public FilterComparator(final String filter, final Comparator<String> comparator, final boolean caseSensitive) {
+ this.filter = Objects.requireNonNull(filter, "filter must not be null.");
+ this.comparator = comparator;
+ this.caseSensitive = caseSensitive;
+ }
+
+ @Override
+ public int compare(final String arg0, final String arg1) {
+ // if this is case insensitive, make them lowercase
+ final String str0, str1;
+ if (this.caseSensitive) {
+ str0 = arg0;
+ str1 = arg1;
+ } else {
+ str0 = arg0.toLowerCase();
+ str1 = arg1.toLowerCase();
+ }
+
+ // elements that start with the filter always go first
+ if (str0.startsWith(this.filter) && !str1.startsWith(this.filter))
+ return -1;
+ else if (!str0.startsWith(this.filter) && str1.startsWith(this.filter))
+ return 1;
+
+ // elements that contain the filter but don't start with them go next
+ if (str0.contains(this.filter) && !str1.contains(this.filter))
+ return -1;
+ else if (!str0.contains(this.filter) && !str1.contains(this.filter))
+ return 1;
+
+ // other elements go last
+ if (this.comparator == null)
+ return str0.compareTo(str1);
+ else
+ return this.comparator.compare(str0, str1);
+ }
+}
diff --git a/src/main/java/org/unitConverter/converterGUI/GridBagBuilder.java b/src/main/java/org/unitConverter/converterGUI/GridBagBuilder.java
new file mode 100644
index 0000000..f1229b2
--- /dev/null
+++ b/src/main/java/org/unitConverter/converterGUI/GridBagBuilder.java
@@ -0,0 +1,479 @@
+/**
+ * Copyright (C) 2018 Adrien Hopkins
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program. If not, see <https://www.gnu.org/licenses/>.
+ */
+package org.unitConverter.converterGUI;
+
+import java.awt.GridBagConstraints;
+import java.awt.Insets;
+
+/**
+ * A builder for Java's {@link java.awt.GridBagConstraints} class.
+ *
+ * @author Adrien Hopkins
+ * @since 2018-11-30
+ * @since v0.1.0
+ */
+final class GridBagBuilder {
+ /**
+ * The built {@code GridBagConstraints}'s {@code gridx} property.
+ * <p>
+ * Specifies the cell containing the leading edge of the component's display area, where the first cell in a row has
+ * <code>gridx=0</code>. The leading edge of a component's display area is its left edge for a horizontal,
+ * left-to-right container and its right edge for a horizontal, right-to-left container. The value
+ * <code>RELATIVE</code> specifies that the component be placed immediately following the component that was added
+ * to the container just before this component was added.
+ * <p>
+ * The default value is <code>RELATIVE</code>. <code>gridx</code> should be a non-negative value.
+ *
+ * @serial
+ * @see #clone()
+ * @see java.awt.GridBagConstraints#gridy
+ * @see java.awt.ComponentOrientation
+ */
+ private final int gridx;
+
+ /**
+ * The built {@code GridBagConstraints}'s {@code gridy} property.
+ * <p>
+ * Specifies the cell at the top of the component's display area, where the topmost cell has <code>gridy=0</code>.
+ * The value <code>RELATIVE</code> specifies that the component be placed just below the component that was added to
+ * the container just before this component was added.
+ * <p>
+ * The default value is <code>RELATIVE</code>. <code>gridy</code> should be a non-negative value.
+ *
+ * @serial
+ * @see #clone()
+ * @see java.awt.GridBagConstraints#gridx
+ */
+ private final int gridy;
+
+ /**
+ * The built {@code GridBagConstraints}'s {@code gridwidth} property.
+ * <p>
+ * Specifies the number of cells in a row for the component's display area.
+ * <p>
+ * Use <code>REMAINDER</code> to specify that the component's display area will be from <code>gridx</code> to the
+ * last cell in the row. Use <code>RELATIVE</code> to specify that the component's display area will be from
+ * <code>gridx</code> to the next to the last one in its row.
+ * <p>
+ * <code>gridwidth</code> should be non-negative and the default value is 1.
+ *
+ * @serial
+ * @see #clone()
+ * @see java.awt.GridBagConstraints#gridheight
+ */
+ private final int gridwidth;
+
+ /**
+ * The built {@code GridBagConstraints}'s {@code gridheight} property.
+ * <p>
+ * Specifies the number of cells in a column for the component's display area.
+ * <p>
+ * Use <code>REMAINDER</code> to specify that the component's display area will be from <code>gridy</code> to the
+ * last cell in the column. Use <code>RELATIVE</code> to specify that the component's display area will be from
+ * <code>gridy</code> to the next to the last one in its column.
+ * <p>
+ * <code>gridheight</code> should be a non-negative value and the default value is 1.
+ *
+ * @serial
+ * @see #clone()
+ * @see java.awt.GridBagConstraints#gridwidth
+ */
+ private final int gridheight;
+
+ /**
+ * The built {@code GridBagConstraints}'s {@code weightx} property.
+ * <p>
+ * Specifies how to distribute extra horizontal space.
+ * <p>
+ * The grid bag layout manager calculates the weight of a column to be the maximum <code>weightx</code> of all the
+ * components in a column. If the resulting layout is smaller horizontally than the area it needs to fill, the extra
+ * space is distributed to each column in proportion to its weight. A column that has a weight of zero receives no
+ * extra space.
+ * <p>
+ * If all the weights are zero, all the extra space appears between the grids of the cell and the left and right
+ * edges.
+ * <p>
+ * The default value of this field is <code>0</code>. <code>weightx</code> should be a non-negative value.
+ *
+ * @serial
+ * @see #clone()
+ * @see java.awt.GridBagConstraints#weighty
+ */
+ private double weightx;
+
+ /**
+ * The built {@code GridBagConstraints}'s {@code weighty} property.
+ * <p>
+ * Specifies how to distribute extra vertical space.
+ * <p>
+ * The grid bag layout manager calculates the weight of a row to be the maximum <code>weighty</code> of all the
+ * components in a row. If the resulting layout is smaller vertically than the area it needs to fill, the extra
+ * space is distributed to each row in proportion to its weight. A row that has a weight of zero receives no extra
+ * space.
+ * <p>
+ * If all the weights are zero, all the extra space appears between the grids of the cell and the top and bottom
+ * edges.
+ * <p>
+ * The default value of this field is <code>0</code>. <code>weighty</code> should be a non-negative value.
+ *
+ * @serial
+ * @see #clone()
+ * @see java.awt.GridBagConstraints#weightx
+ */
+ private double weighty;
+
+ /**
+ * The built {@code GridBagConstraints}'s {@code anchor} property.
+ * <p>
+ * This field is used when the component is smaller than its display area. It determines where, within the display
+ * area, to place the component.
+ * <p>
+ * There are three kinds of possible values: orientation relative, baseline relative and absolute. Orientation
+ * relative values are interpreted relative to the container's component orientation property, baseline relative
+ * values are interpreted relative to the baseline and absolute values are not. The absolute values are:
+ * <code>CENTER</code>, <code>NORTH</code>, <code>NORTHEAST</code>, <code>EAST</code>, <code>SOUTHEAST</code>,
+ * <code>SOUTH</code>, <code>SOUTHWEST</code>, <code>WEST</code>, and <code>NORTHWEST</code>. The orientation
+ * relative values are: <code>PAGE_START</code>, <code>PAGE_END</code>, <code>LINE_START</code>,
+ * <code>LINE_END</code>, <code>FIRST_LINE_START</code>, <code>FIRST_LINE_END</code>, <code>LAST_LINE_START</code>
+ * and <code>LAST_LINE_END</code>. The baseline relative values are: <code>BASELINE</code>,
+ * <code>BASELINE_LEADING</code>, <code>BASELINE_TRAILING</code>, <code>ABOVE_BASELINE</code>,
+ * <code>ABOVE_BASELINE_LEADING</code>, <code>ABOVE_BASELINE_TRAILING</code>, <code>BELOW_BASELINE</code>,
+ * <code>BELOW_BASELINE_LEADING</code>, and <code>BELOW_BASELINE_TRAILING</code>. The default value is
+ * <code>CENTER</code>.
+ *
+ * @serial
+ * @see #clone()
+ * @see java.awt.ComponentOrientation
+ */
+ private int anchor;
+
+ /**
+ * The built {@code GridBagConstraints}'s {@code fill} property.
+ * <p>
+ * This field is used when the component's display area is larger than the component's requested size. It determines
+ * whether to resize the component, and if so, how.
+ * <p>
+ * The following values are valid for <code>fill</code>:
+ *
+ * <ul>
+ * <li><code>NONE</code>: Do not resize the component.
+ * <li><code>HORIZONTAL</code>: Make the component wide enough to fill its display area horizontally, but do not
+ * change its height.
+ * <li><code>VERTICAL</code>: Make the component tall enough to fill its display area vertically, but do not change
+ * its width.
+ * <li><code>BOTH</code>: Make the component fill its display area entirely.
+ * </ul>
+ * <p>
+ * The default value is <code>NONE</code>.
+ *
+ * @serial
+ * @see #clone()
+ */
+ private int fill;
+
+ /**
+ * The built {@code GridBagConstraints}'s {@code insets} property.
+ * <p>
+ * This field specifies the external padding of the component, the minimum amount of space between the component and
+ * the edges of its display area.
+ * <p>
+ * The default value is <code>new Insets(0, 0, 0, 0)</code>.
+ *
+ * @serial
+ * @see #clone()
+ */
+ private Insets insets;
+
+ /**
+ * The built {@code GridBagConstraints}'s {@code ipadx} property.
+ * <p>
+ * This field specifies the internal padding of the component, how much space to add to the minimum width of the
+ * component. The width of the component is at least its minimum width plus <code>ipadx</code> pixels.
+ * <p>
+ * The default value is <code>0</code>.
+ *
+ * @serial
+ * @see #clone()
+ * @see java.awt.GridBagConstraints#ipady
+ */
+ private int ipadx;
+
+ /**
+ * The built {@code GridBagConstraints}'s {@code ipady} property.
+ * <p>
+ * This field specifies the internal padding, that is, how much space to add to the minimum height of the component.
+ * The height of the component is at least its minimum height plus <code>ipady</code> pixels.
+ * <p>
+ * The default value is 0.
+ *
+ * @serial
+ * @see #clone()
+ * @see java.awt.GridBagConstraints#ipadx
+ */
+ private int ipady;
+
+ /**
+ * @param gridx
+ * x position
+ * @param gridy
+ * y position
+ * @since 2018-11-30
+ * @since v0.1.0
+ */
+ public GridBagBuilder(final int gridx, final int gridy) {
+ this(gridx, gridy, 1, 1);
+ }
+
+ /**
+ * @param gridx
+ * x position
+ * @param gridy
+ * y position
+ * @param gridwidth
+ * number of cells occupied horizontally
+ * @param gridheight
+ * number of cells occupied vertically
+ * @since 2018-11-30
+ * @since v0.1.0
+ */
+ public GridBagBuilder(final int gridx, final int gridy, final int gridwidth, final int gridheight) {
+ this(gridx, gridy, gridwidth, gridheight, 0.0, 0.0, GridBagConstraints.CENTER, GridBagConstraints.NONE,
+ new Insets(0, 0, 0, 0), 0, 0);
+ }
+
+ /**
+ * @param gridx
+ * x position
+ * @param gridy
+ * y position
+ * @param gridwidth
+ * number of cells occupied horizontally
+ * @param gridheight
+ * number of cells occupied vertically
+ * @param weightx
+ * @param weighty
+ * @param anchor
+ * @param fill
+ * @param insets
+ * @param ipadx
+ * @param ipady
+ * @since 2018-11-30
+ * @since v0.1.0
+ */
+ private GridBagBuilder(final int gridx, final int gridy, final int gridwidth, final int gridheight,
+ final double weightx, final double weighty, final int anchor, final int fill, final Insets insets,
+ final int ipadx, final int ipady) {
+ super();
+ this.gridx = gridx;
+ this.gridy = gridy;
+ this.gridwidth = gridwidth;
+ this.gridheight = gridheight;
+ this.weightx = weightx;
+ this.weighty = weighty;
+ this.anchor = anchor;
+ this.fill = fill;
+ this.insets = (Insets) insets.clone();
+ this.ipadx = ipadx;
+ this.ipady = ipady;
+ }
+
+ /**
+ * @return {@code GridBagConstraints} created by this builder
+ * @since 2018-11-30
+ * @since v0.1.0
+ */
+ public GridBagConstraints build() {
+ return new GridBagConstraints(this.gridx, this.gridy, this.gridwidth, this.gridheight, this.weightx,
+ this.weighty, this.anchor, this.fill, this.insets, this.ipadx, this.ipady);
+ }
+
+ /**
+ * @return anchor
+ * @since 2018-11-30
+ * @since v0.1.0
+ */
+ public int getAnchor() {
+ return this.anchor;
+ }
+
+ /**
+ * @return fill
+ * @since 2018-11-30
+ * @since v0.1.0
+ */
+ public int getFill() {
+ return this.fill;
+ }
+
+ /**
+ * @return gridheight
+ * @since 2018-11-30
+ * @since v0.1.0
+ */
+ public int getGridheight() {
+ return this.gridheight;
+ }
+
+ /**
+ * @return gridwidth
+ * @since 2018-11-30
+ * @since v0.1.0
+ */
+ public int getGridwidth() {
+ return this.gridwidth;
+ }
+
+ /**
+ * @return gridx
+ * @since 2018-11-30
+ * @since v0.1.0
+ */
+ public int getGridx() {
+ return this.gridx;
+ }
+
+ /**
+ * @return gridy
+ * @since 2018-11-30
+ * @since v0.1.0
+ */
+ public int getGridy() {
+ return this.gridy;
+ }
+
+ /**
+ * @return insets
+ * @since 2018-11-30
+ * @since v0.1.0
+ */
+ public Insets getInsets() {
+ return this.insets;
+ }
+
+ /**
+ * @return ipadx
+ * @since 2018-11-30
+ * @since v0.1.0
+ */
+ public int getIpadx() {
+ return this.ipadx;
+ }
+
+ /**
+ * @return ipady
+ * @since 2018-11-30
+ * @since v0.1.0
+ */
+ public int getIpady() {
+ return this.ipady;
+ }
+
+ /**
+ * @return weightx
+ * @since 2018-11-30
+ * @since v0.1.0
+ */
+ public double getWeightx() {
+ return this.weightx;
+ }
+
+ /**
+ * @return weighty
+ * @since 2018-11-30
+ * @since v0.1.0
+ */
+ public double getWeighty() {
+ return this.weighty;
+ }
+
+ /**
+ * @param anchor
+ * anchor to set
+ * @since 2018-11-30
+ * @since v0.1.0
+ */
+ public GridBagBuilder setAnchor(final int anchor) {
+ this.anchor = anchor;
+ return this;
+ }
+
+ /**
+ * @param fill
+ * fill to set
+ * @since 2018-11-30
+ * @since v0.1.0
+ */
+ public GridBagBuilder setFill(final int fill) {
+ this.fill = fill;
+ return this;
+ }
+
+ /**
+ * @param insets
+ * insets to set
+ * @since 2018-11-30
+ * @since v0.1.0
+ */
+ public GridBagBuilder setInsets(final Insets insets) {
+ this.insets = insets;
+ return this;
+ }
+
+ /**
+ * @param ipadx
+ * ipadx to set
+ * @since 2018-11-30
+ * @since v0.1.0
+ */
+ public GridBagBuilder setIpadx(final int ipadx) {
+ this.ipadx = ipadx;
+ return this;
+ }
+
+ /**
+ * @param ipady
+ * ipady to set
+ * @since 2018-11-30
+ * @since v0.1.0
+ */
+ public GridBagBuilder setIpady(final int ipady) {
+ this.ipady = ipady;
+ return this;
+ }
+
+ /**
+ * @param weightx
+ * weightx to set
+ * @since 2018-11-30
+ * @since v0.1.0
+ */
+ public GridBagBuilder setWeightx(final double weightx) {
+ this.weightx = weightx;
+ return this;
+ }
+
+ /**
+ * @param weighty
+ * weighty to set
+ * @since 2018-11-30
+ * @since v0.1.0
+ */
+ public GridBagBuilder setWeighty(final double weighty) {
+ this.weighty = weighty;
+ return this;
+ }
+}
diff --git a/src/main/java/org/unitConverter/converterGUI/MutablePredicate.java b/src/main/java/org/unitConverter/converterGUI/MutablePredicate.java
new file mode 100644
index 0000000..e15b3cd
--- /dev/null
+++ b/src/main/java/org/unitConverter/converterGUI/MutablePredicate.java
@@ -0,0 +1,70 @@
+/**
+ * Copyright (C) 2019 Adrien Hopkins
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program. If not, see <https://www.gnu.org/licenses/>.
+ */
+package org.unitConverter.converterGUI;
+
+import java.util.function.Predicate;
+
+/**
+ * A container for a predicate, which can be changed later.
+ *
+ * @author Adrien Hopkins
+ * @since 2019-04-13
+ * @since v0.2.0
+ */
+final class MutablePredicate<T> implements Predicate<T> {
+ /**
+ * The predicate stored in this {@code MutablePredicate}
+ *
+ * @since 2019-04-13
+ * @since v0.2.0
+ */
+ private Predicate<T> predicate;
+
+ /**
+ * Creates the {@code MutablePredicate}.
+ *
+ * @since 2019-04-13
+ * @since v0.2.0
+ */
+ public MutablePredicate(final Predicate<T> predicate) {
+ this.predicate = predicate;
+ }
+
+ /**
+ * @return predicate
+ * @since 2019-04-13
+ * @since v0.2.0
+ */
+ public final Predicate<T> getPredicate() {
+ return this.predicate;
+ }
+
+ /**
+ * @param predicate
+ * new value of predicate
+ * @since 2019-04-13
+ * @since v0.2.0
+ */
+ public final void setPredicate(final Predicate<T> predicate) {
+ this.predicate = predicate;
+ }
+
+ @Override
+ public boolean test(final T t) {
+ return this.predicate.test(t);
+ }
+}
diff --git a/src/main/java/org/unitConverter/converterGUI/SearchBoxList.java b/src/main/java/org/unitConverter/converterGUI/SearchBoxList.java
new file mode 100644
index 0000000..f52d57d
--- /dev/null
+++ b/src/main/java/org/unitConverter/converterGUI/SearchBoxList.java
@@ -0,0 +1,320 @@
+/**
+ * Copyright (C) 2019 Adrien Hopkins
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program. If not, see <https://www.gnu.org/licenses/>.
+ */
+package org.unitConverter.converterGUI;
+
+import java.awt.BorderLayout;
+import java.awt.Color;
+import java.awt.event.FocusEvent;
+import java.awt.event.FocusListener;
+import java.util.ArrayList;
+import java.util.Collection;
+import java.util.Comparator;
+import java.util.function.Predicate;
+
+import javax.swing.JList;
+import javax.swing.JPanel;
+import javax.swing.JScrollPane;
+import javax.swing.JTextField;
+
+/**
+ * @author Adrien Hopkins
+ * @since 2019-04-13
+ * @since v0.2.0
+ */
+final class SearchBoxList extends JPanel {
+
+ /**
+ * @since 2019-04-13
+ * @since v0.2.0
+ */
+ private static final long serialVersionUID = 6226930279415983433L;
+
+ /**
+ * The text to place in an empty search box.
+ *
+ * @since 2019-04-13
+ * @since v0.2.0
+ */
+ private static final String EMPTY_TEXT = "Search...";
+
+ /**
+ * The color to use for an empty foreground.
+ *
+ * @since 2019-04-13
+ * @since v0.2.0
+ */
+ private static final Color EMPTY_FOREGROUND = new Color(192, 192, 192);
+
+ // the components
+ private final Collection<String> itemsToFilter;
+ private final DelegateListModel<String> listModel;
+ private final JTextField searchBox;
+ private final JList<String> searchItems;
+
+ private boolean searchBoxEmpty = true;
+
+ // I need to do this because, for some reason, Swing is auto-focusing my
+ // search box without triggering a focus
+ // event.
+ private boolean searchBoxFocused = false;
+
+ private Predicate<String> customSearchFilter = o -> true;
+ private final Comparator<String> defaultOrdering;
+ private final boolean caseSensitive;
+
+ /**
+ * Creates the {@code SearchBoxList}.
+ *
+ * @param itemsToFilter items to put in the list
+ * @since 2019-04-14
+ */
+ public SearchBoxList(final Collection<String> itemsToFilter) {
+ this(itemsToFilter, null, false);
+ }
+
+ /**
+ * Creates the {@code SearchBoxList}.
+ *
+ * @param itemsToFilter items to put in the list
+ * @param defaultOrdering default ordering of items after filtration
+ * (null=Comparable)
+ * @param caseSensitive whether or not the filtration is case-sensitive
+ *
+ * @since 2019-04-13
+ * @since v0.2.0
+ */
+ public SearchBoxList(final Collection<String> itemsToFilter,
+ final Comparator<String> defaultOrdering,
+ final boolean caseSensitive) {
+ super(new BorderLayout(), true);
+ this.itemsToFilter = new ArrayList<>(itemsToFilter);
+ this.defaultOrdering = defaultOrdering;
+ this.caseSensitive = caseSensitive;
+
+ // create the components
+ this.listModel = new DelegateListModel<>(new ArrayList<>(itemsToFilter));
+ this.searchItems = new JList<>(this.listModel);
+
+ this.searchBox = new JTextField(EMPTY_TEXT);
+ this.searchBox.setForeground(EMPTY_FOREGROUND);
+
+ // add them to the panel
+ this.add(this.searchBox, BorderLayout.PAGE_START);
+ this.add(new JScrollPane(this.searchItems), BorderLayout.CENTER);
+
+ // set up the search box
+ this.searchBox.addFocusListener(new FocusListener() {
+ @Override
+ public void focusGained(final FocusEvent e) {
+ SearchBoxList.this.searchBoxFocusGained(e);
+ }
+
+ @Override
+ public void focusLost(final FocusEvent e) {
+ SearchBoxList.this.searchBoxFocusLost(e);
+ }
+ });
+
+ this.searchBox.addCaretListener(e -> this.searchBoxTextChanged());
+ this.searchBoxEmpty = true;
+ }
+
+ /**
+ * Adds an additional filter for searching.
+ *
+ * @param filter filter to add.
+ * @since 2019-04-13
+ * @since v0.2.0
+ */
+ public void addSearchFilter(final Predicate<String> filter) {
+ this.customSearchFilter = this.customSearchFilter.and(filter);
+ }
+
+ /**
+ * Resets the search filter.
+ *
+ * @since 2019-04-13
+ * @since v0.2.0
+ */
+ public void clearSearchFilters() {
+ this.customSearchFilter = o -> true;
+ }
+
+ /**
+ * @return this component's search box component
+ * @since 2019-04-14
+ * @since v0.2.0
+ */
+ public final JTextField getSearchBox() {
+ return this.searchBox;
+ }
+
+ /**
+ * @param searchText text to search for
+ * @return a filter that filters out that text, based on this list's case
+ * sensitive setting
+ * @since 2019-04-14
+ * @since v0.2.0
+ */
+ private Predicate<String> getSearchFilter(final String searchText) {
+ if (this.caseSensitive)
+ return string -> string.contains(searchText);
+ else
+ return string -> string.toLowerCase()
+ .contains(searchText.toLowerCase());
+ }
+
+ /**
+ * @return this component's list component
+ * @since 2019-04-14
+ * @since v0.2.0
+ */
+ public final JList<String> getSearchList() {
+ return this.searchItems;
+ }
+
+ /**
+ * @return index selected in item list
+ * @since 2019-04-14
+ * @since v0.2.0
+ */
+ public int getSelectedIndex() {
+ return this.searchItems.getSelectedIndex();
+ }
+
+ /**
+ * @return value selected in item list
+ * @since 2019-04-13
+ * @since v0.2.0
+ */
+ public String getSelectedValue() {
+ return this.searchItems.getSelectedValue();
+ }
+
+ /**
+ * Re-applies the filters.
+ *
+ * @since 2019-04-13
+ * @since v0.2.0
+ */
+ public void reapplyFilter() {
+ final String searchText = this.searchBoxEmpty ? ""
+ : this.searchBox.getText();
+ final FilterComparator comparator = new FilterComparator(searchText,
+ this.defaultOrdering, this.caseSensitive);
+ final Predicate<String> searchFilter = this.getSearchFilter(searchText);
+
+ this.listModel.clear();
+ this.itemsToFilter.forEach(string -> {
+ if (searchFilter.test(string)) {
+ this.listModel.add(string);
+ }
+ });
+
+ // applies the custom filters
+ this.listModel.removeIf(this.customSearchFilter.negate());
+
+ // sorts the remaining items
+ this.listModel.sort(comparator);
+ }
+
+ /**
+ * Runs whenever the search box gains focus.
+ *
+ * @param e focus event
+ * @since 2019-04-13
+ * @since v0.2.0
+ */
+ private void searchBoxFocusGained(final FocusEvent e) {
+ this.searchBoxFocused = true;
+ if (this.searchBoxEmpty) {
+ this.searchBox.setText("");
+ this.searchBox.setForeground(Color.BLACK);
+ }
+ }
+
+ /**
+ * Runs whenever the search box loses focus.
+ *
+ * @param e focus event
+ * @since 2019-04-13
+ * @since v0.2.0
+ */
+ private void searchBoxFocusLost(final FocusEvent e) {
+ this.searchBoxFocused = false;
+ if (this.searchBoxEmpty) {
+ this.searchBox.setText(EMPTY_TEXT);
+ this.searchBox.setForeground(EMPTY_FOREGROUND);
+ }
+ }
+
+ /**
+ * Runs whenever the text in the search box is changed.
+ * <p>
+ * Reapplies the search filter, and custom filters.
+ * </p>
+ *
+ * @since 2019-04-14
+ * @since v0.2.0
+ */
+ private void searchBoxTextChanged() {
+ if (this.searchBoxFocused) {
+ this.searchBoxEmpty = this.searchBox.getText().equals("");
+ }
+ final String searchText = this.searchBoxEmpty ? ""
+ : this.searchBox.getText();
+ final FilterComparator comparator = new FilterComparator(searchText,
+ this.defaultOrdering, this.caseSensitive);
+ final Predicate<String> searchFilter = this.getSearchFilter(searchText);
+
+ // initialize list with items that match the filter then sort
+ this.listModel.clear();
+ this.itemsToFilter.forEach(string -> {
+ if (searchFilter.test(string)) {
+ this.listModel.add(string);
+ }
+ });
+
+ // applies the custom filters
+ this.listModel.removeIf(this.customSearchFilter.negate());
+
+ // sorts the remaining items
+ this.listModel.sort(comparator);
+ }
+
+ /**
+ * Resets the search box list's contents to the provided items, removing any
+ * old items
+ *
+ * @param newItems new items to put in list
+ * @since 2021-05-22
+ */
+ public void setItems(Collection<String> newItems) {
+ this.itemsToFilter.clear();
+ this.itemsToFilter.addAll(newItems);
+ this.reapplyFilter();
+ }
+
+ /**
+ * Manually updates the search box's item list.
+ *
+ * @since 2020-08-27
+ */
+ public void updateList() {
+ this.searchBoxTextChanged();
+ }
+}
diff --git a/src/main/java/org/unitConverter/converterGUI/UnitConverterGUI.java b/src/main/java/org/unitConverter/converterGUI/UnitConverterGUI.java
new file mode 100644
index 0000000..17ec5f9
--- /dev/null
+++ b/src/main/java/org/unitConverter/converterGUI/UnitConverterGUI.java
@@ -0,0 +1,1503 @@
+/**
+ * Copyright (C) 2018-2021 Adrien Hopkins
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program. If not, see <https://www.gnu.org/licenses/>.
+ */
+package org.unitConverter.converterGUI;
+
+import java.awt.BorderLayout;
+import java.awt.GridBagConstraints;
+import java.awt.GridBagLayout;
+import java.awt.GridLayout;
+import java.awt.event.KeyEvent;
+import java.io.BufferedWriter;
+import java.io.IOException;
+import java.io.InputStream;
+import java.math.BigDecimal;
+import java.math.MathContext;
+import java.math.RoundingMode;
+import java.nio.file.Files;
+import java.nio.file.Path;
+import java.text.DecimalFormat;
+import java.text.NumberFormat;
+import java.text.ParseException;
+import java.util.ArrayList;
+import java.util.Comparator;
+import java.util.HashSet;
+import java.util.List;
+import java.util.NoSuchElementException;
+import java.util.Scanner;
+import java.util.Set;
+import java.util.function.Predicate;
+import java.util.stream.Collectors;
+
+import javax.swing.BorderFactory;
+import javax.swing.BoxLayout;
+import javax.swing.ButtonGroup;
+import javax.swing.JButton;
+import javax.swing.JCheckBox;
+import javax.swing.JComboBox;
+import javax.swing.JFormattedTextField;
+import javax.swing.JFrame;
+import javax.swing.JLabel;
+import javax.swing.JOptionPane;
+import javax.swing.JPanel;
+import javax.swing.JRadioButton;
+import javax.swing.JScrollPane;
+import javax.swing.JSlider;
+import javax.swing.JTabbedPane;
+import javax.swing.JTextArea;
+import javax.swing.JTextField;
+import javax.swing.UIManager;
+import javax.swing.UnsupportedLookAndFeelException;
+import javax.swing.WindowConstants;
+import javax.swing.border.TitledBorder;
+
+import org.unitConverter.math.ConditionalExistenceCollections;
+import org.unitConverter.math.ObjectProduct;
+import org.unitConverter.unit.BaseDimension;
+import org.unitConverter.unit.BritishImperial;
+import org.unitConverter.unit.LinearUnit;
+import org.unitConverter.unit.LinearUnitValue;
+import org.unitConverter.unit.NameSymbol;
+import org.unitConverter.unit.SI;
+import org.unitConverter.unit.Unit;
+import org.unitConverter.unit.UnitDatabase;
+import org.unitConverter.unit.UnitPrefix;
+import org.unitConverter.unit.UnitValue;
+
+/**
+ * @author Adrien Hopkins
+ * @since 2018-12-27
+ * @since v0.1.0
+ */
+final class UnitConverterGUI {
+ /**
+ * A tab in the View.
+ */
+ private enum Pane {
+ UNIT_CONVERTER, EXPRESSION_CONVERTER, UNIT_VIEWER, PREFIX_VIEWER, ABOUT,
+ SETTINGS;
+ }
+
+ private static class Presenter {
+ /** The default place where settings are stored. */
+ private static final String DEFAULT_SETTINGS_FILEPATH = "settings.txt";
+ /** The default place where units are stored. */
+ private static final String DEFAULT_UNITS_FILEPATH = "/unitsfile.txt";
+ /** The default place where dimensions are stored. */
+ private static final String DEFAULT_DIMENSIONS_FILEPATH = "/dimensionfile.txt";
+ /** The default place where exceptions are stored. */
+ private static final String DEFAULT_EXCEPTIONS_FILEPATH = "/metric_exceptions.txt";
+
+ /**
+ * Adds default units and dimensions to a database.
+ *
+ * @param database database to add to
+ * @since 2019-04-14
+ * @since v0.2.0
+ */
+ private static void addDefaults(final UnitDatabase database) {
+ database.addUnit("metre", SI.METRE);
+ database.addUnit("kilogram", SI.KILOGRAM);
+ database.addUnit("gram", SI.KILOGRAM.dividedBy(1000));
+ database.addUnit("second", SI.SECOND);
+ database.addUnit("ampere", SI.AMPERE);
+ database.addUnit("kelvin", SI.KELVIN);
+ database.addUnit("mole", SI.MOLE);
+ database.addUnit("candela", SI.CANDELA);
+ database.addUnit("bit", SI.BIT);
+ database.addUnit("unit", SI.ONE);
+ // nonlinear units - must be loaded manually
+ database.addUnit("tempCelsius", SI.CELSIUS);
+ database.addUnit("tempFahrenheit", BritishImperial.FAHRENHEIT);
+
+ // load initial dimensions
+ database.addDimension("LENGTH", SI.Dimensions.LENGTH);
+ database.addDimension("MASS", SI.Dimensions.MASS);
+ database.addDimension("TIME", SI.Dimensions.TIME);
+ database.addDimension("TEMPERATURE", SI.Dimensions.TEMPERATURE);
+ }
+
+ /**
+ * Gets the text of a resource file as a set of strings (each one is one
+ * line of the text).
+ *
+ * @param filename filename to get resource from
+ * @return contents of file
+ * @since 2021-03-27
+ */
+ public static final List<String> getLinesFromResource(String filename) {
+ final List<String> lines = new ArrayList<>();
+
+ try (InputStream stream = inputStream(filename);
+ Scanner scanner = new Scanner(stream)) {
+ while (scanner.hasNextLine()) {
+ lines.add(scanner.nextLine());
+ }
+ } catch (final IOException e) {
+ throw new AssertionError(
+ "Error occurred while loading file " + filename, e);
+ }
+
+ return lines;
+ }
+
+ /**
+ * Gets an input stream for a resource file.
+ *
+ * @param filepath file to use as resource
+ * @return obtained Path
+ * @since 2021-03-27
+ */
+ private static final InputStream inputStream(String filepath) {
+ return UnitConverterGUI.class.getResourceAsStream(filepath);
+ }
+
+ /**
+ * @return {@code line} with any comments removed.
+ * @since 2021-03-13
+ */
+ private static final String withoutComments(String line) {
+ final int index = line.indexOf('#');
+ return index == -1 ? line : line.substring(index);
+ }
+
+ /** The presenter's associated view. */
+ private final View view;
+
+ /** The units known by the program. */
+ private final UnitDatabase database;
+
+ /** The names of all of the units */
+ private final List<String> unitNames;
+
+ /** The names of all of the prefixes */
+ private final List<String> prefixNames;
+
+ /** The names of all of the dimensions */
+ private final List<String> dimensionNames;
+
+ /** Unit names that are ignored by the metric-only/imperial-only filter */
+ private final Set<String> metricExceptions;
+
+ private final Comparator<String> prefixNameComparator;
+
+ /** A boolean remembering whether or not one-way conversion is on */
+ private boolean oneWay = true;
+ /** The prefix rule */
+ private DefaultPrefixRepetitionRule prefixRule = null;
+
+ // conditions for existence of From and To entries
+ // used for one-way conversion
+ private final MutablePredicate<String> fromExistenceCondition = new MutablePredicate<>(
+ s -> true);
+
+ private final MutablePredicate<String> toExistenceCondition = new MutablePredicate<>(
+ s -> true);
+
+ /*
+ * Rounding-related settings. I am using my own system, and not
+ * MathContext, because MathContext does not support decimal place based
+ * or scientific rounding, only significant digit based rounding.
+ */
+ private int precision = 6;
+
+ private RoundingType roundingType = RoundingType.SIGNIFICANT_DIGITS;
+
+ // The "include duplicate units" setting
+ private boolean includeDuplicateUnits = true;
+
+ /**
+ * Creates the presenter.
+ *
+ * @param view presenter's associated view
+ * @since 2018-12-27
+ * @since v0.1.0
+ */
+ Presenter(final View view) {
+ this.view = view;
+
+ // load initial units
+ this.database = new UnitDatabase(
+ DefaultPrefixRepetitionRule.NO_RESTRICTION);
+ Presenter.addDefaults(this.database);
+
+ // load units and prefixes
+ try (final InputStream units = inputStream(DEFAULT_UNITS_FILEPATH)) {
+ this.database.loadUnitsFromStream(units);
+ } catch (final IOException e) {
+ throw new AssertionError("Loading of unitsfile.txt failed.", e);
+ }
+
+ // load dimensions
+ try (final InputStream dimensions = inputStream(
+ DEFAULT_DIMENSIONS_FILEPATH)) {
+ this.database.loadDimensionsFromStream(dimensions);
+ } catch (final IOException e) {
+ throw new AssertionError("Loading of dimensionfile.txt failed.", e);
+ }
+
+ // load metric exceptions
+ try {
+ this.metricExceptions = new HashSet<>();
+ try (InputStream exceptions = inputStream(
+ DEFAULT_EXCEPTIONS_FILEPATH);
+ Scanner scanner = new Scanner(exceptions)) {
+ while (scanner.hasNextLine()) {
+ final String line = Presenter
+ .withoutComments(scanner.nextLine());
+ if (!line.isBlank()) {
+ this.metricExceptions.add(line);
+ }
+ }
+ }
+ } catch (final IOException e) {
+ throw new AssertionError("Loading of metric_exceptions.txt failed.",
+ e);
+ }
+
+ // load settings - requires database to exist
+ if (Files.exists(this.getSettingsFile())) {
+ this.loadSettings();
+ }
+
+ // a comparator that can be used to compare prefix names
+ // any name that does not exist is less than a name that does.
+ // otherwise, they are compared by value
+ this.prefixNameComparator = (o1, o2) -> {
+ if (!Presenter.this.database.containsPrefixName(o1))
+ return -1;
+ else if (!Presenter.this.database.containsPrefixName(o2))
+ return 1;
+
+ final UnitPrefix p1 = Presenter.this.database.getPrefix(o1);
+ final UnitPrefix p2 = Presenter.this.database.getPrefix(o2);
+
+ if (p1.getMultiplier() < p2.getMultiplier())
+ return -1;
+ else if (p1.getMultiplier() > p2.getMultiplier())
+ return 1;
+
+ return o1.compareTo(o2);
+ };
+
+ this.unitNames = new ArrayList<>(
+ this.database.unitMapPrefixless(true).keySet());
+ this.unitNames.sort(null); // sorts it using Comparable
+
+ this.prefixNames = new ArrayList<>(this.database.prefixMap().keySet());
+ this.prefixNames.sort(this.prefixNameComparator); // sorts it using my
+ // comparator
+
+ this.dimensionNames = new DelegateListModel<>(
+ new ArrayList<>(this.database.dimensionMap().keySet()));
+ this.dimensionNames.sort(null); // sorts it using Comparable
+
+ // a Predicate that returns true iff the argument is a full base unit
+ final Predicate<Unit> isFullBase = unit -> unit instanceof LinearUnit
+ && ((LinearUnit) unit).isBase();
+
+ // print out unit counts
+ System.out.printf(
+ "Successfully loaded %d units with %d unit names (%d base units).%n",
+ this.database.unitMapPrefixless(false).size(),
+ this.database.unitMapPrefixless(true).size(),
+ this.database.unitMapPrefixless(false).values().stream()
+ .filter(isFullBase).count());
+ }
+
+ /**
+ * Converts in the dimension-based converter
+ *
+ * @since 2019-04-13
+ * @since v0.2.0
+ */
+ public final void convertDimensionBased() {
+ final String fromSelection = this.view.getFromSelection();
+ if (fromSelection == null) {
+ this.view.showErrorDialog("Error",
+ "No unit selected in From field");
+ return;
+ }
+ final String toSelection = this.view.getToSelection();
+ if (toSelection == null) {
+ this.view.showErrorDialog("Error", "No unit selected in To field");
+ return;
+ }
+
+ final Unit from = this.database.getUnit(fromSelection);
+ final Unit to = this.database.getUnit(toSelection)
+ .withName(NameSymbol.ofName(toSelection));
+
+ final UnitValue beforeValue;
+ try {
+ beforeValue = UnitValue.of(from,
+ this.view.getDimensionConverterInput());
+ } catch (final ParseException e) {
+ this.view.showErrorDialog("Error",
+ "Error in parsing: " + e.getMessage());
+ return;
+ }
+ final UnitValue value = beforeValue.convertTo(to);
+
+ final String output = this.getRoundedString(value);
+
+ this.view.setDimensionConverterOutputText(
+ String.format("%s = %s", beforeValue, output));
+ }
+
+ /**
+ * Runs whenever the convert button is pressed.
+ *
+ * <p>
+ * Reads and parses a unit expression from the from and to boxes, then
+ * converts {@code from} to {@code to}. Any errors are shown in
+ * JOptionPanes.
+ * </p>
+ *
+ * @since 2019-01-26
+ * @since v0.1.0
+ */
+ public final void convertExpressions() {
+ final String fromUnitString = this.view.getFromText();
+ final String toUnitString = this.view.getToText();
+
+ if (fromUnitString.isEmpty()) {
+ this.view.showErrorDialog("Parse Error",
+ "Please enter a unit expression in the From: box.");
+ return;
+ }
+ if (toUnitString.isEmpty()) {
+ this.view.showErrorDialog("Parse Error",
+ "Please enter a unit expression in the To: box.");
+ return;
+ }
+
+ final LinearUnitValue from;
+ final Unit to;
+ try {
+ from = this.database.evaluateUnitExpression(fromUnitString);
+ } catch (final IllegalArgumentException | NoSuchElementException e) {
+ this.view.showErrorDialog("Parse Error",
+ "Could not recognize text in From entry: " + e.getMessage());
+ return;
+ }
+ try {
+ to = this.database.getUnitFromExpression(toUnitString);
+ } catch (final IllegalArgumentException | NoSuchElementException e) {
+ this.view.showErrorDialog("Parse Error",
+ "Could not recognize text in To entry: " + e.getMessage());
+ return;
+ }
+
+ if (to instanceof LinearUnit) {
+ // convert to LinearUnitValue
+ final LinearUnitValue from2;
+ final LinearUnit to2 = ((LinearUnit) to)
+ .withName(NameSymbol.ofName(toUnitString));
+ final boolean useSlash;
+
+ if (from.canConvertTo(to2)) {
+ from2 = from;
+ useSlash = false;
+ } else if (LinearUnitValue.ONE.dividedBy(from).canConvertTo(to2)) {
+ from2 = LinearUnitValue.ONE.dividedBy(from);
+ useSlash = true;
+ } else {
+ // if I can't convert, leave
+ this.view.showErrorDialog("Conversion Error",
+ String.format("Cannot convert between %s and %s",
+ fromUnitString, toUnitString));
+ return;
+ }
+
+ final LinearUnitValue converted = from2.convertTo(to2);
+ this.view.setExpressionConverterOutputText((useSlash ? "1 / " : "")
+ + String.format("%s = %s", fromUnitString,
+ this.getRoundedString(converted, false)));
+ return;
+ } else {
+ // convert to UnitValue
+ final UnitValue from2 = from.asUnitValue();
+ if (from2.canConvertTo(to)) {
+ final UnitValue converted = from2.convertTo(to);
+
+ this.view
+ .setExpressionConverterOutputText(String.format("%s = %s",
+ fromUnitString, this.getRoundedString(converted)));
+ } else {
+ // if I can't convert, leave
+ this.view.showErrorDialog("Conversion Error",
+ String.format("Cannot convert between %s and %s",
+ fromUnitString, toUnitString));
+ }
+ }
+ }
+
+ /**
+ * @return a list of all of the unit dimensions
+ * @since 2019-04-13
+ * @since v0.2.0
+ */
+ public final List<String> dimensionNameList() {
+ return this.dimensionNames;
+ }
+
+ /**
+ * @return a list of all the entries in the dimension-based converter's
+ * From box
+ * @since 2020-08-27
+ */
+ public final Set<String> fromEntries() {
+ return ConditionalExistenceCollections.conditionalExistenceSet(
+ this.unitNameSet(), this.fromExistenceCondition);
+ }
+
+ /**
+ * @return a comparator to compare prefix names
+ * @since 2019-04-14
+ * @since v0.2.0
+ */
+ public final Comparator<String> getPrefixNameComparator() {
+ return this.prefixNameComparator;
+ }
+
+ /**
+ * Like {@link LinearUnitValue#toString(boolean)}, but obeys this unit
+ * converter's rounding settings.
+ *
+ * @since 2020-08-04
+ */
+ private final String getRoundedString(final LinearUnitValue value,
+ boolean showUncertainty) {
+ switch (this.roundingType) {
+ case DECIMAL_PLACES:
+ case SIGNIFICANT_DIGITS:
+ return this.getRoundedString(value.asUnitValue());
+ case SCIENTIFIC:
+ return value.toString(showUncertainty);
+ default:
+ throw new AssertionError("Invalid switch condition.");
+ }
+ }
+
+ /**
+ * Like {@link UnitValue#toString()}, but obeys this unit converter's
+ * rounding settings.
+ *
+ * @since 2020-08-04
+ */
+ private final String getRoundedString(final UnitValue value) {
+ final BigDecimal unrounded = new BigDecimal(value.getValue());
+ final BigDecimal rounded;
+ int precision = this.precision;
+
+ switch (this.roundingType) {
+ case DECIMAL_PLACES:
+ rounded = unrounded.setScale(precision, RoundingMode.HALF_EVEN);
+ break;
+ case SCIENTIFIC:
+ precision = 12;
+ //$FALL-THROUGH$
+ case SIGNIFICANT_DIGITS:
+ rounded = unrounded
+ .round(new MathContext(precision, RoundingMode.HALF_EVEN));
+ break;
+ default:
+ throw new AssertionError("Invalid switch condition.");
+ }
+
+ String output = rounded.toString();
+
+ // remove trailing zeroes
+ if (output.contains(".")) {
+ while (output.endsWith("0")) {
+ output = output.substring(0, output.length() - 1);
+ }
+ if (output.endsWith(".")) {
+ output = output.substring(0, output.length() - 1);
+ }
+ }
+
+ return output + " " + value.getUnit().getPrimaryName().get();
+ }
+
+ /**
+ * @return The file where settings are stored;
+ * @since 2020-12-11
+ */
+ private final Path getSettingsFile() {
+ return Path.of(DEFAULT_SETTINGS_FILEPATH);
+ }
+
+ /**
+ * Loads settings from the settings file.
+ *
+ * @since 2021-02-17
+ */
+ public final void loadSettings() {
+ try {
+ // read file line by line
+ final int lineNum = 0;
+ for (final String line : Files
+ .readAllLines(this.getSettingsFile())) {
+ final int equalsIndex = line.indexOf('=');
+ if (equalsIndex == -1)
+ throw new IllegalStateException(
+ "Settings file is malformed at line " + lineNum);
+
+ final String param = line.substring(0, equalsIndex);
+ final String value = line.substring(equalsIndex + 1);
+
+ switch (param) {
+ // set manually to avoid the unnecessary saving of the non-manual
+ // methods
+ case "precision":
+ this.precision = Integer.valueOf(value);
+ break;
+ case "rounding_type":
+ this.roundingType = RoundingType.valueOf(value);
+ break;
+ case "prefix_rule":
+ this.prefixRule = DefaultPrefixRepetitionRule.valueOf(value);
+ this.database.setPrefixRepetitionRule(this.prefixRule);
+ break;
+ case "one_way":
+ this.oneWay = Boolean.valueOf(value);
+ if (this.oneWay) {
+ this.fromExistenceCondition.setPredicate(
+ unitName -> this.metricExceptions.contains(unitName)
+ || !this.database.getUnit(unitName)
+ .isMetric());
+ this.toExistenceCondition.setPredicate(
+ unitName -> this.metricExceptions.contains(unitName)
+ || this.database.getUnit(unitName).isMetric());
+ } else {
+ this.fromExistenceCondition.setPredicate(unitName -> true);
+ this.toExistenceCondition.setPredicate(unitName -> true);
+ }
+ break;
+ case "include_duplicates":
+ this.includeDuplicateUnits = Boolean.valueOf(value);
+ if (this.view.presenter != null) {
+ this.view.update();
+ }
+ break;
+ default:
+ System.err.printf("Warning: unrecognized setting \"%s\".",
+ param);
+ break;
+ }
+ }
+ } catch (final IOException e) {}
+ }
+
+ /**
+ * @return a set of all prefix names in the database
+ * @since 2019-04-14
+ * @since v0.2.0
+ */
+ public final Set<String> prefixNameSet() {
+ return this.database.prefixMap().keySet();
+ }
+
+ /**
+ * Runs whenever a prefix is selected in the viewer.
+ * <p>
+ * Shows its information in the text box to the right.
+ * </p>
+ *
+ * @since 2019-01-15
+ * @since v0.1.0
+ */
+ public final void prefixSelected() {
+ final String prefixName = this.view.getPrefixViewerSelection();
+ if (prefixName == null)
+ return;
+ else {
+ final UnitPrefix prefix = this.database.getPrefix(prefixName);
+
+ this.view.setPrefixTextBoxText(String.format("%s%nMultiplier: %s",
+ prefixName, prefix.getMultiplier()));
+ }
+ }
+
+ /**
+ * Saves the settings to the settings file.
+ *
+ * @since 2021-02-17
+ */
+ public final void saveSettings() {
+ try (BufferedWriter writer = Files
+ .newBufferedWriter(this.getSettingsFile())) {
+ writer.write(String.format("precision=%d\n", this.precision));
+ writer.write(
+ String.format("rounding_type=%s\n", this.roundingType));
+ writer.write(String.format("prefix_rule=%s\n", this.prefixRule));
+ writer.write(String.format("one_way=%s\n", this.oneWay));
+ writer.write(String.format("include_duplicates=%s\n",
+ this.includeDuplicateUnits));
+ } catch (final IOException e) {
+ e.printStackTrace();
+ this.view.showErrorDialog("I/O Error",
+ "Error occurred while saving settings: "
+ + e.getLocalizedMessage());
+ }
+ }
+
+ public final void setIncludeDuplicateUnits(
+ boolean includeDuplicateUnits) {
+ this.includeDuplicateUnits = includeDuplicateUnits;
+
+ this.view.update();
+ this.saveSettings();
+ }
+
+ /**
+ * Enables or disables one-way conversion.
+ *
+ * @param oneWay whether one-way conversion should be on (true) or off
+ * (false)
+ * @since 2020-08-27
+ */
+ public final void setOneWay(boolean oneWay) {
+ this.oneWay = oneWay;
+ if (oneWay) {
+ this.fromExistenceCondition.setPredicate(
+ unitName -> this.metricExceptions.contains(unitName)
+ || !this.database.getUnit(unitName).isMetric());
+ this.toExistenceCondition.setPredicate(
+ unitName -> this.metricExceptions.contains(unitName)
+ || this.database.getUnit(unitName).isMetric());
+ } else {
+ this.fromExistenceCondition.setPredicate(unitName -> true);
+ this.toExistenceCondition.setPredicate(unitName -> true);
+ }
+
+ this.saveSettings();
+ }
+
+ /**
+ * @param precision new value of precision
+ * @since 2019-01-15
+ * @since v0.1.0
+ */
+ public final void setPrecision(final int precision) {
+ this.precision = precision;
+
+ this.saveSettings();
+ }
+
+ /**
+ * @param prefixRepetitionRule the prefixRepetitionRule to set
+ * @since 2020-08-26
+ */
+ public void setPrefixRepetitionRule(
+ Predicate<List<UnitPrefix>> prefixRepetitionRule) {
+ if (prefixRepetitionRule instanceof DefaultPrefixRepetitionRule) {
+ this.prefixRule = (DefaultPrefixRepetitionRule) prefixRepetitionRule;
+ } else {
+ this.prefixRule = null;
+ }
+ this.database.setPrefixRepetitionRule(prefixRepetitionRule);
+
+ this.saveSettings();
+ }
+
+ /**
+ * @param roundingType the roundingType to set
+ * @since 2020-07-16
+ */
+ public final void setRoundingType(RoundingType roundingType) {
+ this.roundingType = roundingType;
+
+ this.saveSettings();
+ }
+
+ /**
+ * @return a list of all the entries in the dimension-based converter's To
+ * box
+ * @since 2020-08-27
+ */
+ public final Set<String> toEntries() {
+ return ConditionalExistenceCollections.conditionalExistenceSet(
+ this.unitNameSet(), this.toExistenceCondition);
+ }
+
+ /**
+ * Returns true if and only if the unit represented by {@code unitName}
+ * has the dimension represented by {@code dimensionName}.
+ *
+ * @param unitName name of unit to test
+ * @param dimensionName name of dimension to test
+ * @return whether unit has dimenision
+ * @since 2019-04-13
+ * @since v0.2.0
+ */
+ public final boolean unitMatchesDimension(final String unitName,
+ final String dimensionName) {
+ final Unit unit = this.database.getUnit(unitName);
+ final ObjectProduct<BaseDimension> dimension = this.database
+ .getDimension(dimensionName);
+ return unit.getDimension().equals(dimension);
+ }
+
+ /**
+ * Runs whenever a unit is selected in the viewer.
+ * <p>
+ * Shows its information in the text box to the right.
+ * </p>
+ *
+ * @since 2019-01-15
+ * @since v0.1.0
+ */
+ public final void unitNameSelected() {
+ final String unitName = this.view.getUnitViewerSelection();
+ if (unitName == null)
+ return;
+ else {
+ final Unit unit = this.database.getUnit(unitName);
+
+ this.view.setUnitTextBoxText(unit.toString());
+ }
+ }
+
+ /**
+ * @return a set of all of the unit names
+ * @since 2019-04-14
+ * @since v0.2.0
+ */
+ public final Set<String> unitNameSet() {
+ return this.database.unitMapPrefixless(this.includeDuplicateUnits)
+ .keySet();
+ }
+ }
+
+ /**
+ * Different types of rounding.
+ *
+ * Significant digits: Rounds to a number of digits. i.e. with precision 5,
+ * 12345.6789 rounds to 12346. Decimal places: Rounds to a number of digits
+ * after the decimal point, i.e. with precision 5, 12345.6789 rounds to
+ * 12345.67890. Scientific: Rounds based on the number of digits and
+ * operations, following standard scientific rounding.
+ */
+ private static enum RoundingType {
+ SIGNIFICANT_DIGITS, DECIMAL_PLACES, SCIENTIFIC;
+ }
+
+ private static class View {
+ private static final NumberFormat NUMBER_FORMATTER = new DecimalFormat();
+
+ /** The view's frame. */
+ private final JFrame frame;
+ /** The view's associated presenter. */
+ private final Presenter presenter;
+ /** The master pane containing all of the tabs. */
+ private final JTabbedPane masterPane;
+
+ // DIMENSION-BASED CONVERTER
+ /** The panel for inputting values in the dimension-based converter */
+ private final JTextField valueInput;
+ /** The panel for "From" in the dimension-based converter */
+ private final SearchBoxList fromSearch;
+ /** The panel for "To" in the dimension-based converter */
+ private final SearchBoxList toSearch;
+ /** The output area in the dimension-based converter */
+ private final JTextArea dimensionBasedOutput;
+
+ // EXPRESSION-BASED CONVERTER
+ /** The "From" entry in the conversion panel */
+ private final JTextField fromEntry;
+ /** The "To" entry in the conversion panel */
+ private final JTextField toEntry;
+ /** The output area in the conversion panel */
+ private final JTextArea output;
+
+ // UNIT AND PREFIX VIEWERS
+ /** The searchable list of unit names in the unit viewer */
+ private final SearchBoxList unitNameList;
+ /** The searchable list of prefix names in the prefix viewer */
+ private final SearchBoxList prefixNameList;
+ /** The text box for unit data in the unit viewer */
+ private final JTextArea unitTextBox;
+ /** The text box for prefix data in the prefix viewer */
+ private final JTextArea prefixTextBox;
+
+ /**
+ * Creates the {@code View}.
+ *
+ * @since 2019-01-14
+ * @since v0.1.0
+ */
+ public View() {
+ this.presenter = new Presenter(this);
+ this.frame = new JFrame("Unit Converter");
+ this.frame.setDefaultCloseOperation(WindowConstants.EXIT_ON_CLOSE);
+
+ // enable system look and feel
+ try {
+ UIManager.setLookAndFeel(UIManager.getSystemLookAndFeelClassName());
+ } catch (ClassNotFoundException | InstantiationException
+ | IllegalAccessException | UnsupportedLookAndFeelException e) {
+ // oh well, just use default theme
+ System.err.println("Failed to enable system look-and-feel.");
+ e.printStackTrace();
+ }
+
+ // create the components
+ this.masterPane = new JTabbedPane();
+ this.unitNameList = new SearchBoxList(this.presenter.unitNameSet());
+ this.prefixNameList = new SearchBoxList(this.presenter.prefixNameSet(),
+ this.presenter.getPrefixNameComparator(), true);
+ this.unitTextBox = new JTextArea();
+ this.prefixTextBox = new JTextArea();
+ this.fromSearch = new SearchBoxList(this.presenter.fromEntries());
+ this.toSearch = new SearchBoxList(this.presenter.toEntries());
+ this.valueInput = new JFormattedTextField(NUMBER_FORMATTER);
+ this.dimensionBasedOutput = new JTextArea(2, 32);
+ this.fromEntry = new JTextField();
+ this.toEntry = new JTextField();
+ this.output = new JTextArea(2, 32);
+
+ // create more components
+ this.initComponents();
+
+ this.frame.pack();
+ }
+
+ /**
+ * @return the currently selected pane.
+ * @throws AssertionError if no pane (or an invalid pane) is selected
+ */
+ public Pane getActivePane() {
+ switch (this.masterPane.getSelectedIndex()) {
+ case 0:
+ return Pane.UNIT_CONVERTER;
+ case 1:
+ return Pane.EXPRESSION_CONVERTER;
+ case 2:
+ return Pane.UNIT_VIEWER;
+ case 3:
+ return Pane.PREFIX_VIEWER;
+ case 4:
+ return Pane.ABOUT;
+ case 5:
+ return Pane.SETTINGS;
+ default:
+ throw new AssertionError("No selected pane, or invalid pane.");
+ }
+ }
+
+ /**
+ * @return value in dimension-based converter
+ * @throws ParseException
+ * @since 2020-07-07
+ */
+ public double getDimensionConverterInput() throws ParseException {
+ final Number value = NUMBER_FORMATTER.parse(this.valueInput.getText());
+ if (value instanceof Double)
+ return (double) value;
+ else if (value instanceof Long)
+ return ((Long) value).longValue();
+ else
+ throw new AssertionError();
+ }
+
+ /**
+ * @return selection in "From" selector in dimension-based converter
+ * @since 2019-04-13
+ * @since v0.2.0
+ */
+ public String getFromSelection() {
+ return this.fromSearch.getSelectedValue();
+ }
+
+ /**
+ * @return text in "From" box in converter panel
+ * @since 2019-01-15
+ * @since v0.1.0
+ */
+ public String getFromText() {
+ return this.fromEntry.getText();
+ }
+
+ /**
+ * @return index of selected prefix in prefix viewer
+ * @since 2019-01-15
+ * @since v0.1.0
+ */
+ public String getPrefixViewerSelection() {
+ return this.prefixNameList.getSelectedValue();
+ }
+
+ /**
+ * @return selection in "To" selector in dimension-based converter
+ * @since 2019-04-13
+ * @since v0.2.0
+ */
+ public String getToSelection() {
+ return this.toSearch.getSelectedValue();
+ }
+
+ /**
+ * @return text in "To" box in converter panel
+ * @since 2019-01-26
+ * @since v0.1.0
+ */
+ public String getToText() {
+ return this.toEntry.getText();
+ }
+
+ /**
+ * @return index of selected unit in unit viewer
+ * @since 2019-01-15
+ * @since v0.1.0
+ */
+ public String getUnitViewerSelection() {
+ return this.unitNameList.getSelectedValue();
+ }
+
+ /**
+ * Starts up the application.
+ *
+ * @since 2018-12-27
+ * @since v0.1.0
+ */
+ public final void init() {
+ this.frame.setVisible(true);
+ }
+
+ /**
+ * Initializes the view's components.
+ *
+ * @since 2018-12-27
+ * @since v0.1.0
+ */
+ private final void initComponents() {
+ final JPanel masterPanel = new JPanel();
+ this.frame.add(masterPanel);
+
+ masterPanel.setLayout(new BorderLayout());
+
+ { // pane with all of the tabs
+ masterPanel.add(this.masterPane, BorderLayout.CENTER);
+
+ // update stuff
+ this.masterPane.addChangeListener(e -> this.update());
+
+ { // a panel for unit conversion using a selector
+ final JPanel convertUnitPanel = new JPanel();
+ this.masterPane.addTab("Convert Units", convertUnitPanel);
+ this.masterPane.setMnemonicAt(0, KeyEvent.VK_U);
+
+ convertUnitPanel.setLayout(new BorderLayout());
+
+ { // panel for input part
+ final JPanel inputPanel = new JPanel();
+ convertUnitPanel.add(inputPanel, BorderLayout.CENTER);
+
+ inputPanel.setLayout(new GridLayout(1, 3));
+
+ final JComboBox<String> dimensionSelector = new JComboBox<>(
+ this.presenter.dimensionNameList()
+ .toArray(new String[0]));
+ dimensionSelector.setSelectedItem("LENGTH");
+
+ // handle dimension filter
+ final MutablePredicate<String> dimensionFilter = new MutablePredicate<>(
+ s -> true);
+
+ // panel for From things
+ inputPanel.add(this.fromSearch);
+
+ this.fromSearch.addSearchFilter(dimensionFilter);
+
+ { // for dimension selector and arrow that represents
+ // conversion
+ final JPanel inBetweenPanel = new JPanel();
+ inputPanel.add(inBetweenPanel);
+
+ inBetweenPanel.setLayout(new BorderLayout());
+
+ { // dimension selector
+ inBetweenPanel.add(dimensionSelector,
+ BorderLayout.PAGE_START);
+ }
+
+ { // the arrow in the middle
+ final JLabel arrowLabel = new JLabel("->");
+ inBetweenPanel.add(arrowLabel, BorderLayout.CENTER);
+ }
+ }
+
+ // panel for To things
+
+ inputPanel.add(this.toSearch);
+
+ this.toSearch.addSearchFilter(dimensionFilter);
+
+ // code for dimension filter
+ dimensionSelector.addItemListener(e -> {
+ dimensionFilter.setPredicate(string -> View.this.presenter
+ .unitMatchesDimension(string,
+ (String) dimensionSelector.getSelectedItem()));
+ this.fromSearch.reapplyFilter();
+ this.toSearch.reapplyFilter();
+ });
+
+ // apply the item listener once because I have a default
+ // selection
+ dimensionFilter.setPredicate(string -> View.this.presenter
+ .unitMatchesDimension(string,
+ (String) dimensionSelector.getSelectedItem()));
+ this.fromSearch.reapplyFilter();
+ this.toSearch.reapplyFilter();
+ }
+
+ { // panel for submit and output, and also value entry
+ final JPanel outputPanel = new JPanel();
+ convertUnitPanel.add(outputPanel, BorderLayout.PAGE_END);
+
+ outputPanel.setLayout(new GridLayout(3, 1));
+
+ { // unit input
+ final JPanel valueInputPanel = new JPanel();
+ outputPanel.add(valueInputPanel);
+
+ valueInputPanel.setLayout(new BorderLayout());
+
+ { // prompt
+ final JLabel valuePrompt = new JLabel(
+ "Value to convert: ");
+ valueInputPanel.add(valuePrompt,
+ BorderLayout.LINE_START);
+ }
+
+ { // value to convert
+ valueInputPanel.add(this.valueInput,
+ BorderLayout.CENTER);
+ }
+ }
+
+ { // button to convert
+ final JButton convertButton = new JButton("Convert");
+ outputPanel.add(convertButton);
+
+ convertButton.addActionListener(
+ e -> this.presenter.convertDimensionBased());
+ convertButton.setMnemonic(KeyEvent.VK_ENTER);
+ }
+
+ { // output of conversion
+ outputPanel.add(this.dimensionBasedOutput);
+ this.dimensionBasedOutput.setEditable(false);
+ }
+ }
+ }
+
+ { // panel for unit conversion using expressions
+ final JPanel convertExpressionPanel = new JPanel();
+ this.masterPane.addTab("Convert Unit Expressions",
+ convertExpressionPanel);
+ this.masterPane.setMnemonicAt(1, KeyEvent.VK_E);
+
+ convertExpressionPanel.setLayout(new GridLayout(4, 1));
+
+ { // panel for units to convert from
+ final JPanel fromPanel = new JPanel();
+ convertExpressionPanel.add(fromPanel);
+
+ fromPanel.setBorder(BorderFactory.createTitledBorder("From"));
+ fromPanel.setLayout(new GridLayout(1, 1));
+
+ { // entry for units
+ fromPanel.add(this.fromEntry);
+ }
+ }
+
+ { // panel for units to convert to
+ final JPanel toPanel = new JPanel();
+ convertExpressionPanel.add(toPanel);
+
+ toPanel.setBorder(BorderFactory.createTitledBorder("To"));
+ toPanel.setLayout(new GridLayout(1, 1));
+
+ { // entry for units
+ toPanel.add(this.toEntry);
+ }
+ }
+
+ { // button to convert
+ final JButton convertButton = new JButton("Convert");
+ convertExpressionPanel.add(convertButton);
+
+ convertButton.addActionListener(
+ e -> this.presenter.convertExpressions());
+ convertButton.setMnemonic(KeyEvent.VK_ENTER);
+ }
+
+ { // output of conversion
+ final JPanel outputPanel = new JPanel();
+ convertExpressionPanel.add(outputPanel);
+
+ outputPanel
+ .setBorder(BorderFactory.createTitledBorder("Output"));
+ outputPanel.setLayout(new GridLayout(1, 1));
+
+ { // output
+ outputPanel.add(this.output);
+ this.output.setEditable(false);
+ }
+ }
+ }
+
+ { // panel to look up units
+ final JPanel unitLookupPanel = new JPanel();
+ this.masterPane.addTab("Unit Viewer", unitLookupPanel);
+ this.masterPane.setMnemonicAt(2, KeyEvent.VK_V);
+
+ unitLookupPanel.setLayout(new GridLayout());
+
+ { // search panel
+ unitLookupPanel.add(this.unitNameList);
+
+ this.unitNameList.getSearchList().addListSelectionListener(
+ e -> this.presenter.unitNameSelected());
+ }
+
+ { // the text box for unit's toString
+ unitLookupPanel.add(this.unitTextBox);
+ this.unitTextBox.setEditable(false);
+ this.unitTextBox.setLineWrap(true);
+ }
+ }
+
+ { // panel to look up prefixes
+ final JPanel prefixLookupPanel = new JPanel();
+ this.masterPane.addTab("Prefix Viewer", prefixLookupPanel);
+ this.masterPane.setMnemonicAt(3, KeyEvent.VK_P);
+
+ prefixLookupPanel.setLayout(new GridLayout(1, 2));
+
+ { // panel for listing and seaching
+ prefixLookupPanel.add(this.prefixNameList);
+
+ this.prefixNameList.getSearchList().addListSelectionListener(
+ e -> this.presenter.prefixSelected());
+ }
+
+ { // the text box for prefix's toString
+ prefixLookupPanel.add(this.prefixTextBox);
+ this.prefixTextBox.setEditable(false);
+ this.prefixTextBox.setLineWrap(true);
+ }
+ }
+
+ { // Info panel
+ final JPanel infoPanel = new JPanel();
+ this.masterPane.addTab("\uD83D\uDEC8", // info (i) character
+ new JScrollPane(infoPanel));
+
+ final JTextArea infoTextArea = new JTextArea();
+ infoTextArea.setEditable(false);
+ infoTextArea.setOpaque(false);
+ infoPanel.add(infoTextArea);
+
+ // get info text
+ final String infoText = Presenter
+ .getLinesFromResource("/about.txt").stream()
+ .map(Presenter::withoutComments)
+ .collect(Collectors.joining("\n"));
+ infoTextArea.setText(infoText);
+ }
+
+ { // Settings panel
+ final JPanel settingsPanel = new JPanel();
+ this.masterPane.addTab("\u2699", new JScrollPane(settingsPanel));
+ this.masterPane.setMnemonicAt(5, KeyEvent.VK_S);
+
+ settingsPanel.setLayout(
+ new BoxLayout(settingsPanel, BoxLayout.PAGE_AXIS));
+
+ { // rounding settings
+ final JPanel roundingPanel = new JPanel();
+ settingsPanel.add(roundingPanel);
+ roundingPanel
+ .setBorder(new TitledBorder("Rounding Settings"));
+ roundingPanel.setLayout(new GridBagLayout());
+
+ // rounding rule selection
+ final ButtonGroup roundingRuleButtons = new ButtonGroup();
+
+ final JLabel roundingRuleLabel = new JLabel("Rounding Rule:");
+ roundingPanel.add(roundingRuleLabel, new GridBagBuilder(0, 0)
+ .setAnchor(GridBagConstraints.LINE_START).build());
+
+ final JRadioButton fixedPrecision = new JRadioButton(
+ "Fixed Precision");
+ if (this.presenter.roundingType == RoundingType.SIGNIFICANT_DIGITS) {
+ fixedPrecision.setSelected(true);
+ }
+ fixedPrecision.addActionListener(e -> this.presenter
+ .setRoundingType(RoundingType.SIGNIFICANT_DIGITS));
+ roundingRuleButtons.add(fixedPrecision);
+ roundingPanel.add(fixedPrecision, new GridBagBuilder(0, 1)
+ .setAnchor(GridBagConstraints.LINE_START).build());
+
+ final JRadioButton fixedDecimals = new JRadioButton(
+ "Fixed Decimal Places");
+ if (this.presenter.roundingType == RoundingType.DECIMAL_PLACES) {
+ fixedDecimals.setSelected(true);
+ }
+ fixedDecimals.addActionListener(e -> this.presenter
+ .setRoundingType(RoundingType.DECIMAL_PLACES));
+ roundingRuleButtons.add(fixedDecimals);
+ roundingPanel.add(fixedDecimals, new GridBagBuilder(0, 2)
+ .setAnchor(GridBagConstraints.LINE_START).build());
+
+ final JRadioButton relativePrecision = new JRadioButton(
+ "Scientific Precision");
+ if (this.presenter.roundingType == RoundingType.SCIENTIFIC) {
+ relativePrecision.setSelected(true);
+ }
+ relativePrecision.addActionListener(e -> this.presenter
+ .setRoundingType(RoundingType.SCIENTIFIC));
+ roundingRuleButtons.add(relativePrecision);
+ roundingPanel.add(relativePrecision, new GridBagBuilder(0, 3)
+ .setAnchor(GridBagConstraints.LINE_START).build());
+
+ final JLabel sliderLabel = new JLabel("Precision:");
+ roundingPanel.add(sliderLabel, new GridBagBuilder(0, 4)
+ .setAnchor(GridBagConstraints.LINE_START).build());
+
+ final JSlider sigDigSlider = new JSlider(0, 12);
+ roundingPanel.add(sigDigSlider, new GridBagBuilder(0, 5)
+ .setAnchor(GridBagConstraints.LINE_START).build());
+
+ sigDigSlider.setMajorTickSpacing(4);
+ sigDigSlider.setMinorTickSpacing(1);
+ sigDigSlider.setSnapToTicks(true);
+ sigDigSlider.setPaintTicks(true);
+ sigDigSlider.setPaintLabels(true);
+ sigDigSlider.setValue(this.presenter.precision);
+
+ sigDigSlider.addChangeListener(e -> this.presenter
+ .setPrecision(sigDigSlider.getValue()));
+ }
+
+ { // prefix repetition settings
+ final JPanel prefixRepetitionPanel = new JPanel();
+ settingsPanel.add(prefixRepetitionPanel);
+ prefixRepetitionPanel.setBorder(
+ new TitledBorder("Prefix Repetition Settings"));
+ prefixRepetitionPanel.setLayout(new GridBagLayout());
+
+ // prefix rules
+ final ButtonGroup prefixRuleButtons = new ButtonGroup();
+
+ final JRadioButton noRepetition = new JRadioButton(
+ "No Repetition");
+ if (this.presenter.prefixRule == DefaultPrefixRepetitionRule.NO_REPETITION) {
+ noRepetition.setSelected(true);
+ }
+ noRepetition.addActionListener(
+ e -> this.presenter.setPrefixRepetitionRule(
+ DefaultPrefixRepetitionRule.NO_REPETITION));
+ prefixRuleButtons.add(noRepetition);
+ prefixRepetitionPanel.add(noRepetition,
+ new GridBagBuilder(0, 0)
+ .setAnchor(GridBagConstraints.LINE_START)
+ .build());
+
+ final JRadioButton noRestriction = new JRadioButton(
+ "No Restriction");
+ if (this.presenter.prefixRule == DefaultPrefixRepetitionRule.NO_RESTRICTION) {
+ noRestriction.setSelected(true);
+ }
+ noRestriction.addActionListener(
+ e -> this.presenter.setPrefixRepetitionRule(
+ DefaultPrefixRepetitionRule.NO_RESTRICTION));
+ prefixRuleButtons.add(noRestriction);
+ prefixRepetitionPanel.add(noRestriction,
+ new GridBagBuilder(0, 1)
+ .setAnchor(GridBagConstraints.LINE_START)
+ .build());
+
+ final JRadioButton customRepetition = new JRadioButton(
+ "Complex Repetition");
+ if (this.presenter.prefixRule == DefaultPrefixRepetitionRule.COMPLEX_REPETITION) {
+ customRepetition.setSelected(true);
+ }
+ customRepetition.addActionListener(
+ e -> this.presenter.setPrefixRepetitionRule(
+ DefaultPrefixRepetitionRule.COMPLEX_REPETITION));
+ prefixRuleButtons.add(customRepetition);
+ prefixRepetitionPanel.add(customRepetition,
+ new GridBagBuilder(0, 2)
+ .setAnchor(GridBagConstraints.LINE_START)
+ .build());
+ }
+
+ { // search settings
+ final JPanel searchingPanel = new JPanel();
+ settingsPanel.add(searchingPanel);
+ searchingPanel.setBorder(new TitledBorder("Search Settings"));
+ searchingPanel.setLayout(new GridBagLayout());
+
+ // searching rules
+ final ButtonGroup searchRuleButtons = new ButtonGroup();
+
+ final JRadioButton noPrefixes = new JRadioButton(
+ "Never Include Prefixed Units");
+ noPrefixes.setEnabled(false);
+ searchRuleButtons.add(noPrefixes);
+ searchingPanel.add(noPrefixes, new GridBagBuilder(0, 0)
+ .setAnchor(GridBagConstraints.LINE_START).build());
+
+ final JRadioButton fixedPrefixes = new JRadioButton(
+ "Include Some Prefixes");
+ fixedPrefixes.setEnabled(false);
+ searchRuleButtons.add(fixedPrefixes);
+ searchingPanel.add(fixedPrefixes, new GridBagBuilder(0, 1)
+ .setAnchor(GridBagConstraints.LINE_START).build());
+
+ final JRadioButton explicitPrefixes = new JRadioButton(
+ "Include Explicit Prefixes");
+ explicitPrefixes.setEnabled(false);
+ searchRuleButtons.add(explicitPrefixes);
+ searchingPanel.add(explicitPrefixes, new GridBagBuilder(0, 2)
+ .setAnchor(GridBagConstraints.LINE_START).build());
+
+ final JRadioButton alwaysInclude = new JRadioButton(
+ "Include All Single Prefixes");
+ alwaysInclude.setEnabled(false);
+ searchRuleButtons.add(alwaysInclude);
+ searchingPanel.add(alwaysInclude, new GridBagBuilder(0, 3)
+ .setAnchor(GridBagConstraints.LINE_START).build());
+ }
+
+ { // miscellaneous settings
+ final JPanel miscPanel = new JPanel();
+ settingsPanel.add(miscPanel);
+ miscPanel
+ .setBorder(new TitledBorder("Miscellaneous Settings"));
+ miscPanel.setLayout(new GridBagLayout());
+
+ final JCheckBox oneWay = new JCheckBox(
+ "Convert One Way Only");
+ oneWay.setSelected(this.presenter.oneWay);
+ oneWay.addItemListener(
+ e -> this.presenter.setOneWay(e.getStateChange() == 1));
+ miscPanel.add(oneWay, new GridBagBuilder(0, 0)
+ .setAnchor(GridBagConstraints.LINE_START).build());
+
+ final JCheckBox showAllVariations = new JCheckBox(
+ "Show Duplicates in \"Convert Units\"");
+ showAllVariations
+ .setSelected(this.presenter.includeDuplicateUnits);
+ showAllVariations.addItemListener(e -> this.presenter
+ .setIncludeDuplicateUnits(e.getStateChange() == 1));
+ miscPanel.add(showAllVariations, new GridBagBuilder(0, 1)
+ .setAnchor(GridBagConstraints.LINE_START).build());
+
+ final JButton unitFileButton = new JButton(
+ "Manage Unit Data Files");
+ unitFileButton.setEnabled(false);
+ miscPanel.add(unitFileButton, new GridBagBuilder(0, 2)
+ .setAnchor(GridBagConstraints.LINE_START).build());
+ }
+ }
+ }
+ }
+
+ /**
+ * Sets the text in the output of the dimension-based converter.
+ *
+ * @param text text to set
+ * @since 2019-04-13
+ * @since v0.2.0
+ */
+ public void setDimensionConverterOutputText(final String text) {
+ this.dimensionBasedOutput.setText(text);
+ }
+
+ /**
+ * Sets the text in the output of the conversion panel.
+ *
+ * @param text text to set
+ * @since 2019-01-15
+ * @since v0.1.0
+ */
+ public void setExpressionConverterOutputText(final String text) {
+ this.output.setText(text);
+ }
+
+ /**
+ * Sets the text of the prefix text box in the prefix viewer.
+ *
+ * @param text text to set
+ * @since 2019-01-15
+ * @since v0.1.0
+ */
+ public void setPrefixTextBoxText(final String text) {
+ this.prefixTextBox.setText(text);
+ }
+
+ /**
+ * Sets the text of the unit text box in the unit viewer.
+ *
+ * @param text text to set
+ * @since 2019-01-15
+ * @since v0.1.0
+ */
+ public void setUnitTextBoxText(final String text) {
+ this.unitTextBox.setText(text);
+ }
+
+ /**
+ * Shows an error dialog.
+ *
+ * @param title title of dialog
+ * @param message message in dialog
+ * @since 2019-01-14
+ * @since v0.1.0
+ */
+ public void showErrorDialog(final String title, final String message) {
+ JOptionPane.showMessageDialog(this.frame, message, title,
+ JOptionPane.ERROR_MESSAGE);
+ }
+
+ public void update() {
+ this.unitNameList.setItems(this.presenter.unitNameSet());
+ this.fromSearch.setItems(this.presenter.fromEntries());
+ this.toSearch.setItems(this.presenter.toEntries());
+
+ switch (this.getActivePane()) {
+ case UNIT_CONVERTER:
+ this.fromSearch.updateList();
+ this.toSearch.updateList();
+ break;
+ default:
+ // do nothing, for now
+ break;
+ }
+ }
+ }
+
+ public static void main(final String[] args) {
+ new View().init();
+ }
+}
diff --git a/src/main/java/org/unitConverter/converterGUI/package-info.java b/src/main/java/org/unitConverter/converterGUI/package-info.java
new file mode 100644
index 0000000..d85ecab
--- /dev/null
+++ b/src/main/java/org/unitConverter/converterGUI/package-info.java
@@ -0,0 +1,24 @@
+/**
+ * Copyright (C) 2019 Adrien Hopkins
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program. If not, see <https://www.gnu.org/licenses/>.
+ */
+/**
+ * The GUI interface of the Unit Converter.
+ *
+ * @author Adrien Hopkins
+ * @since 2019-01-25
+ * @since v0.2.0
+ */
+package org.unitConverter.converterGUI; \ No newline at end of file