diff options
Diffstat (limited to 'src/main/java/sevenUnitsGUI/Presenter.java')
| -rw-r--r-- | src/main/java/sevenUnitsGUI/Presenter.java | 93 |
1 files changed, 75 insertions, 18 deletions
diff --git a/src/main/java/sevenUnitsGUI/Presenter.java b/src/main/java/sevenUnitsGUI/Presenter.java index 6467f03..ba600e3 100644 --- a/src/main/java/sevenUnitsGUI/Presenter.java +++ b/src/main/java/sevenUnitsGUI/Presenter.java @@ -347,6 +347,19 @@ public final class Presenter { * unit view in views that show units as a list to choose from. */ private boolean showDuplicates = false; + + /** + * The default unit, prefix, dimension and exception data will only be loaded + * if this variable is true. + */ + private boolean useDefaultDatafiles = true; + + /** Custom unit datafiles that will be loaded by {@link #reloadData} */ + private final Set<Path> customUnitFiles = new HashSet<>(); + /** Custom dimension datafiles that will be loaded by {@link #reloadData} */ + private final Set<Path> customDimensionFiles = new HashSet<>(); + /** Custom exception datafiles that will be loaded by {@link #reloadData} */ + private final Set<Path> customExceptionFiles = new HashSet<>(); /** * Creates a Presenter @@ -357,8 +370,45 @@ public final class Presenter { public Presenter(View view) { this.view = view; this.database = new UnitDatabase(); - addDefaults(this.database); + this.metricExceptions = new HashSet<>(); + + this.locales = this.loadLocales(); + this.userLocale = DEFAULT_LOCALE; + + // set default settings temporarily + if (Files.exists(CONFIG_FILE)) { + this.loadSettings(CONFIG_FILE); + } + this.reloadData(); + + // print out unit counts + System.out.println(this.loadStatMsg()); + } + + /** + * Clears then reloads all unit, prefix, dimension and exception data. + */ + public void reloadData() { + this.database.clear(); + this.metricExceptions.clear(); + addDefaults(this.database); + + if (this.useDefaultDatafiles) { + this.loadDefaultData(); + } + + this.customUnitFiles.forEach( + path -> this.handleLoadErrors(this.database.loadUnitsFile(path))); + this.customDimensionFiles.forEach( + path -> this.handleLoadErrors(this.database.loadDimensionFile(path))); + this.customExceptionFiles.forEach(this::loadExceptionFile); + } + + /** + * Load units, prefixes and dimensions from the default files. + */ + private void loadDefaultData() { // load units and prefixes try (final var units = inputStream(DEFAULT_UNITS_FILEPATH)) { this.handleLoadErrors(this.database.loadUnitsFromStream(units)); @@ -377,7 +427,6 @@ public final class Presenter { // load metric exceptions try { - this.metricExceptions = new HashSet<>(); try (var exceptions = inputStream(DEFAULT_EXCEPTIONS_FILEPATH); var scanner = new Scanner(exceptions)) { while (scanner.hasNextLine()) { @@ -392,17 +441,6 @@ public final class Presenter { throw new AssertionError("Loading of metric_exceptions.txt failed.", e); } - - this.locales = this.loadLocales(); - this.userLocale = DEFAULT_LOCALE; - - // set default settings temporarily - if (Files.exists(CONFIG_FILE)) { - this.loadSettings(CONFIG_FILE); - } - - // print out unit counts - System.out.println(this.loadStatMsg()); } /** @@ -962,6 +1000,10 @@ public final class Presenter { * @since 2021-12-15 */ void loadSettings(Path settingsFile) { + this.customDimensionFiles.clear(); + this.customExceptionFiles.clear(); + this.customUnitFiles.clear(); + for (final Map.Entry<String, String> setting : this .settingsFromFile(settingsFile)) { final var value = setting.getValue(); @@ -970,15 +1012,13 @@ public final class Presenter { // set manually to avoid the unnecessary saving of the non-manual // methods case "custom_dimension_file": - this.handleLoadErrors( - this.database.loadDimensionFile(pathFromConfig(value))); + this.customDimensionFiles.add(pathFromConfig(value)); break; case "custom_exception_file": - this.loadExceptionFile(pathFromConfig(value)); + this.customExceptionFiles.add(pathFromConfig(value)); break; case "custom_unit_file": - this.handleLoadErrors( - this.database.loadUnitsFile(pathFromConfig(value))); + this.customUnitFiles.add(pathFromConfig(value)); break; case "number_display_rule": this.setDisplayRuleFromString(value); @@ -1204,6 +1244,16 @@ public final class Presenter { return null; } } + + /** + * Sets whether or not the default datafiles will be loaded. + * This method automatically updates the view's units. + */ + public void setUseDefaultDatafiles(boolean useDefaultDatafiles) { + this.useDefaultDatafiles = useDefaultDatafiles; + this.reloadData(); + this.updateView(); + } /** * Sets the user's locale, updating the view. @@ -1304,6 +1354,13 @@ public final class Presenter { ucview.setToUnitNames(toNames); } } + + /** + * @return true iff the default datafiles are being used + */ + public boolean usingDefaultDatafiles() { + return this.useDefaultDatafiles; + } /** * @param message message to add |