/*******************************************************************************
* Copyright (c) 2000, 2011 IBM Corporation and others.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* IBM Corporation - initial API and implementation
*******************************************************************************/
package org.eclipse.jdt.internal.ui.preferences;
import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.util.ArrayList;
import java.util.List;
import org.eclipse.swt.SWT;
import org.eclipse.swt.events.DisposeEvent;
import org.eclipse.swt.events.DisposeListener;
import org.eclipse.swt.events.SelectionAdapter;
import org.eclipse.swt.events.SelectionEvent;
import org.eclipse.swt.graphics.Color;
import org.eclipse.swt.graphics.Font;
import org.eclipse.swt.graphics.RGB;
import org.eclipse.swt.layout.GridData;
import org.eclipse.swt.layout.GridLayout;
import org.eclipse.swt.widgets.Button;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.Control;
import org.eclipse.swt.widgets.Label;
import org.eclipse.swt.widgets.Link;
import org.eclipse.core.runtime.Assert;
import org.eclipse.core.runtime.IStatus;
import org.eclipse.jface.dialogs.Dialog;
import org.eclipse.jface.layout.PixelConverter;
import org.eclipse.jface.preference.ColorSelector;
import org.eclipse.jface.preference.IPreferenceStore;
import org.eclipse.jface.preference.PreferenceConverter;
import org.eclipse.jface.preference.PreferencePage;
import org.eclipse.jface.resource.JFaceResources;
import org.eclipse.jface.util.IPropertyChangeListener;
import org.eclipse.jface.util.PropertyChangeEvent;
import org.eclipse.jface.viewers.IColorProvider;
import org.eclipse.jface.viewers.ISelectionChangedListener;
import org.eclipse.jface.viewers.IStructuredContentProvider;
import org.eclipse.jface.viewers.IStructuredSelection;
import org.eclipse.jface.viewers.LabelProvider;
import org.eclipse.jface.viewers.SelectionChangedEvent;
import org.eclipse.jface.viewers.StructuredSelection;
import org.eclipse.jface.viewers.TableViewer;
import org.eclipse.jface.viewers.Viewer;
import org.eclipse.jface.text.Document;
import org.eclipse.jface.text.IDocument;
import org.eclipse.jface.text.source.SourceViewer;
import org.eclipse.ui.IWorkbench;
import org.eclipse.ui.IWorkbenchPreferencePage;
import org.eclipse.ui.PlatformUI;
import org.eclipse.ui.dialogs.PreferencesUtil;
import org.eclipse.ui.model.WorkbenchViewerComparator;
import org.eclipse.ui.texteditor.ChainedPreferenceStore;
import org.eclipse.jdt.ui.PreferenceConstants;
import org.eclipse.jdt.ui.text.IColorManager;
import org.eclipse.jdt.ui.text.JavaTextTools;
import org.eclipse.jdt.internal.ui.IJavaHelpContextIds;
import org.eclipse.jdt.internal.ui.JavaPlugin;
import org.eclipse.jdt.internal.ui.dialogs.StatusInfo;
import org.eclipse.jdt.internal.ui.dialogs.StatusUtil;
import org.eclipse.jdt.internal.ui.javaeditor.JavaSourceViewer;
import org.eclipse.jdt.internal.ui.preferences.OverlayPreferenceStore.OverlayKey;
import org.eclipse.jdt.internal.ui.propertiesfileeditor.IPropertiesFilePartitions;
import org.eclipse.jdt.internal.ui.propertiesfileeditor.PropertiesFileDocumentSetupParticipant;
import org.eclipse.jdt.internal.ui.propertiesfileeditor.PropertiesFileSourceViewerConfiguration;
import org.eclipse.jdt.internal.ui.text.JavaColorManager;
/**
* The page for setting the properties file editor preferences.
*
* @since 3.1
*/
public class PropertiesFileEditorPreferencePage extends PreferencePage implements IWorkbenchPreferencePage {
private static class SourcePreviewerUpdater {
/**
* Creates a Java source preview updater for the given viewer, configuration and preference store.
*
* @param viewer the viewer
* @param configuration the configuration
* @param preferenceStore the preference store
*/
SourcePreviewerUpdater(final SourceViewer viewer, final PropertiesFileSourceViewerConfiguration configuration, final IPreferenceStore preferenceStore) {
Assert.isNotNull(viewer);
Assert.isNotNull(configuration);
Assert.isNotNull(preferenceStore);
final IPropertyChangeListener fontChangeListener= new IPropertyChangeListener() {
/*
* @see org.eclipse.jface.util.IPropertyChangeListener#propertyChange(org.eclipse.jface.util.PropertyChangeEvent)
*/
public void propertyChange(PropertyChangeEvent event) {
if (event.getProperty().equals(PreferenceConstants.PROPERTIES_FILE_EDITOR_TEXT_FONT)) {
Font font= JFaceResources.getFont(PreferenceConstants.PROPERTIES_FILE_EDITOR_TEXT_FONT);
viewer.getTextWidget().setFont(font);
}
}
};
final IPropertyChangeListener propertyChangeListener= new IPropertyChangeListener() {
/*
* @see org.eclipse.jface.util.IPropertyChangeListener#propertyChange(org.eclipse.jface.util.PropertyChangeEvent)
*/
public void propertyChange(PropertyChangeEvent event) {
if (configuration.affectsTextPresentation(event)) {
configuration.handlePropertyChangeEvent(event);
viewer.invalidateTextPresentation();
}
}
};
viewer.getTextWidget().addDisposeListener(new DisposeListener() {
/*
* @see org.eclipse.swt.events.DisposeListener#widgetDisposed(org.eclipse.swt.events.DisposeEvent)
*/
public void widgetDisposed(DisposeEvent e) {
preferenceStore.removePropertyChangeListener(propertyChangeListener);
JFaceResources.getFontRegistry().removeListener(fontChangeListener);
}
});
JFaceResources.getFontRegistry().addListener(fontChangeListener);
preferenceStore.addPropertyChangeListener(propertyChangeListener);
}
}
/**
* Item in the highlighting color list.
*/
private static class HighlightingColorListItem {
/** Display name */
private String fDisplayName;
/** Color preference key */
private String fColorKey;
/** Bold preference key */
private String fBoldKey;
/** Italic preference key */
private String fItalicKey;
/**
* Strikethrough preference key.
* @since 3.1
*/
private String fStrikethroughKey;
/**
* Underline preference key.
* @since 3.1
*/
private String fUnderlineKey;
/** Item color */
private Color fItemColor;
/**
* Initialize the item with the given values.
*
* @param displayName the display name
* @param colorKey the color preference key
* @param boldKey the bold preference key
* @param italicKey the italic preference key
* @param strikethroughKey the strikethrough preference key
* @param underlineKey the underline preference key
* @param itemColor the item color
*/
public HighlightingColorListItem(String displayName, String colorKey, String boldKey, String italicKey, String strikethroughKey, String underlineKey, Color itemColor) {
fDisplayName= displayName;
fColorKey= colorKey;
fBoldKey= boldKey;
fItalicKey= italicKey;
fStrikethroughKey= strikethroughKey;
fUnderlineKey= underlineKey;
fItemColor= itemColor;
}
/**
* @return the bold preference key
*/
public String getBoldKey() {
return fBoldKey;
}
/**
* @return the italic preference key
*/
public String getItalicKey() {
return fItalicKey;
}
/**
* @return the strikethrough preference key
* @since 3.1
*/
public String getStrikethroughKey() {
return fStrikethroughKey;
}
/**
* @return the underline preference key
* @since 3.1
*/
public String getUnderlineKey() {
return fUnderlineKey;
}
/**
* @return the color preference key
*/
public String getColorKey() {
return fColorKey;
}
/**
* @return the display name
*/
public String getDisplayName() {
return fDisplayName;
}
/**
* @return the item color
*/
public Color getItemColor() {
return fItemColor;
}
}
/**
* Color list label provider.
*/
private class ColorListLabelProvider extends LabelProvider implements IColorProvider {
/*
* @see org.eclipse.jface.viewers.ILabelProvider#getText(java.lang.Object)
*/
@Override
public String getText(Object element) {
return ((HighlightingColorListItem)element).getDisplayName();
}
/*
* @see org.eclipse.jface.viewers.IColorProvider#getForeground(java.lang.Object)
*/
public Color getForeground(Object element) {
return ((HighlightingColorListItem)element).getItemColor();
}
/*
* @see org.eclipse.jface.viewers.IColorProvider#getBackground(java.lang.Object)
*/
public Color getBackground(Object element) {
return null;
}
}
/**
* Color list content provider.
*/
private class ColorListContentProvider implements IStructuredContentProvider {
/*
* @see org.eclipse.jface.viewers.IStructuredContentProvider#getElements(java.lang.Object)
*/
public Object[] getElements(Object inputElement) {
return ((java.util.List<?>)inputElement).toArray();
}
/*
* @see org.eclipse.jface.viewers.IContentProvider#dispose()
*/
public void dispose() {
}
/*
* @see org.eclipse.jface.viewers.IContentProvider#inputChanged(org.eclipse.jface.viewers.Viewer, java.lang.Object, java.lang.Object)
*/
public void inputChanged(Viewer viewer, Object oldInput, Object newInput) {
}
}
private static final String BOLD= PreferenceConstants.EDITOR_BOLD_SUFFIX;
/**
* Preference key suffix for italic preferences.
*/
private static final String ITALIC= PreferenceConstants.EDITOR_ITALIC_SUFFIX;
/**
* Preference key suffix for strikethrough preferences.
* @since 3.1
*/
private static final String STRIKETHROUGH= PreferenceConstants.EDITOR_STRIKETHROUGH_SUFFIX;
/**
* Preference key suffix for underline preferences.
* @since 3.1
*/
private static final String UNDERLINE= PreferenceConstants.EDITOR_UNDERLINE_SUFFIX;
/** The keys of the overlay store. */
private final String[][] fSyntaxColorListModel= new String[][] {
{ PreferencesMessages.PropertiesFileEditorPreferencePage_key, PreferenceConstants.PROPERTIES_FILE_COLORING_KEY },
{ PreferencesMessages.PropertiesFileEditorPreferencePage_value, PreferenceConstants.PROPERTIES_FILE_COLORING_VALUE },
{ PreferencesMessages.PropertiesFileEditorPreferencePage_assignment, PreferenceConstants.PROPERTIES_FILE_COLORING_ASSIGNMENT },
{ PreferencesMessages.PropertiesFileEditorPreferencePage_argument, PreferenceConstants.PROPERTIES_FILE_COLORING_ARGUMENT },
{ PreferencesMessages.PropertiesFileEditorPreferencePage_comment, PreferenceConstants.PROPERTIES_FILE_COLORING_COMMENT }
};
private OverlayPreferenceStore fOverlayStore;
private ColorSelector fSyntaxForegroundColorEditor;
private Button fBoldCheckBox;
/**
* Check box for italic preference.
*/
private Button fItalicCheckBox;
/**
* Check box for strikethrough preference.
* @since 3.1
*/
private Button fStrikethroughCheckBox;
/**
* Check box for underline preference.
* @since 3.1
*/
private Button fUnderlineCheckBox;
private SourceViewer fPreviewViewer;
/**
* Tells whether the fields are initialized.
*/
private boolean fFieldsInitialized= false;
/**
* Highlighting color list
*/
private final List<HighlightingColorListItem> fHighlightingColorList= new ArrayList<HighlightingColorListItem>();
/**
* Highlighting color list viewer
*/
private TableViewer fHighlightingColorListViewer;
/**
* The color manager.
*/
private IColorManager fColorManager;
/**
* Creates a new preference page.
*/
public PropertiesFileEditorPreferencePage() {
setPreferenceStore(JavaPlugin.getDefault().getPreferenceStore());
fOverlayStore= new OverlayPreferenceStore(getPreferenceStore(), createOverlayStoreKeys());
}
private OverlayPreferenceStore.OverlayKey[] createOverlayStoreKeys() {
ArrayList<OverlayKey> overlayKeys= new ArrayList<OverlayKey>();
for (int i= 0; i < fSyntaxColorListModel.length; i++) {
String colorKey= fSyntaxColorListModel[i][1];
overlayKeys.add(new OverlayPreferenceStore.OverlayKey(OverlayPreferenceStore.STRING, colorKey));
overlayKeys.add(new OverlayPreferenceStore.OverlayKey(OverlayPreferenceStore.BOOLEAN, colorKey + BOLD));
overlayKeys.add(new OverlayPreferenceStore.OverlayKey(OverlayPreferenceStore.BOOLEAN, colorKey + ITALIC));
overlayKeys.add(new OverlayPreferenceStore.OverlayKey(OverlayPreferenceStore.BOOLEAN, colorKey + STRIKETHROUGH));
overlayKeys.add(new OverlayPreferenceStore.OverlayKey(OverlayPreferenceStore.BOOLEAN, colorKey + UNDERLINE));
}
OverlayPreferenceStore.OverlayKey[] keys= new OverlayPreferenceStore.OverlayKey[overlayKeys.size()];
overlayKeys.toArray(keys);
return keys;
}
/*
* @see IWorkbenchPreferencePage#init()
*/
public void init(IWorkbench workbench) {
}
/*
* @see PreferencePage#createControl(Composite)
*/
@Override
public void createControl(Composite parent) {
super.createControl(parent);
PlatformUI.getWorkbench().getHelpSystem().setHelp(getControl(), IJavaHelpContextIds.PROPERTIES_FILE_EDITOR_PREFERENCE_PAGE);
}
private void handleSyntaxColorListSelection() {
HighlightingColorListItem item= getHighlightingColorListItem();
RGB rgb= PreferenceConverter.getColor(fOverlayStore, item.getColorKey());
fSyntaxForegroundColorEditor.setColorValue(rgb);
fBoldCheckBox.setSelection(fOverlayStore.getBoolean(item.getBoldKey()));
fItalicCheckBox.setSelection(fOverlayStore.getBoolean(item.getItalicKey()));
fStrikethroughCheckBox.setSelection(fOverlayStore.getBoolean(item.getStrikethroughKey()));
fUnderlineCheckBox.setSelection(fOverlayStore.getBoolean(item.getUnderlineKey()));
fSyntaxForegroundColorEditor.getButton().setEnabled(true);
fBoldCheckBox.setEnabled(true);
fItalicCheckBox.setEnabled(true);
fStrikethroughCheckBox.setEnabled(true);
fUnderlineCheckBox.setEnabled(true);
}
private Control createSyntaxPage(Composite parent) {
Label label= new Label(parent, SWT.LEFT);
label.setText(PreferencesMessages.PropertiesFileEditorPreferencePage_foreground);
label.setLayoutData(new GridData(GridData.FILL_HORIZONTAL));
Composite editorComposite= new Composite(parent, SWT.NONE);
GridLayout layout= new GridLayout();
layout.numColumns= 2;
layout.marginHeight= 0;
layout.marginWidth= 0;
editorComposite.setLayout(layout);
GridData gd= new GridData(SWT.FILL, SWT.BEGINNING, true, false);
editorComposite.setLayoutData(gd);
fHighlightingColorListViewer= new TableViewer(editorComposite, SWT.SINGLE | SWT.V_SCROLL | SWT.BORDER | SWT.FULL_SELECTION);
fHighlightingColorListViewer.setLabelProvider(new ColorListLabelProvider());
fHighlightingColorListViewer.setContentProvider(new ColorListContentProvider());
fHighlightingColorListViewer.setComparator(new WorkbenchViewerComparator());
gd= new GridData(SWT.BEGINNING, SWT.FILL, false, true);
gd.heightHint= convertHeightInCharsToPixels(5);
fHighlightingColorListViewer.getControl().setLayoutData(gd);
Composite stylesComposite= new Composite(editorComposite, SWT.NONE);
layout= new GridLayout();
layout.marginHeight= 0;
layout.marginWidth= 0;
layout.numColumns= 2;
stylesComposite.setLayout(layout);
stylesComposite.setLayoutData(new GridData(SWT.BEGINNING, SWT.BEGINNING, false, false));
gd= new GridData(GridData.FILL_HORIZONTAL);
gd.horizontalAlignment= GridData.BEGINNING;
gd.horizontalSpan= 2;
label= new Label(stylesComposite, SWT.LEFT);
label.setText(PreferencesMessages.PropertiesFileEditorPreferencePage_color);
gd= new GridData(GridData.HORIZONTAL_ALIGN_BEGINNING);
gd.horizontalIndent= 20;
label.setLayoutData(gd);
fSyntaxForegroundColorEditor= new ColorSelector(stylesComposite);
Button foregroundColorButton= fSyntaxForegroundColorEditor.getButton();
gd= new GridData(GridData.HORIZONTAL_ALIGN_BEGINNING);
foregroundColorButton.setLayoutData(gd);
fBoldCheckBox= new Button(stylesComposite, SWT.CHECK);
fBoldCheckBox.setText(PreferencesMessages.PropertiesFileEditorPreferencePage_bold);
gd= new GridData(GridData.HORIZONTAL_ALIGN_BEGINNING);
gd.horizontalIndent= 20;
gd.horizontalSpan= 2;
fBoldCheckBox.setLayoutData(gd);
fItalicCheckBox= new Button(stylesComposite, SWT.CHECK);
fItalicCheckBox.setText(PreferencesMessages.PropertiesFileEditorPreferencePage_italic);
gd= new GridData(GridData.HORIZONTAL_ALIGN_BEGINNING);
gd.horizontalIndent= 20;
gd.horizontalSpan= 2;
fItalicCheckBox.setLayoutData(gd);
fStrikethroughCheckBox= new Button(stylesComposite, SWT.CHECK);
fStrikethroughCheckBox.setText(PreferencesMessages.PropertiesFileEditorPreferencePage_strikethrough);
gd= new GridData(GridData.HORIZONTAL_ALIGN_BEGINNING);
gd.horizontalIndent= 20;
gd.horizontalSpan= 2;
fStrikethroughCheckBox.setLayoutData(gd);
fUnderlineCheckBox= new Button(stylesComposite, SWT.CHECK);
fUnderlineCheckBox.setText(PreferencesMessages.PropertiesFileEditorPreferencePage_underline);
gd= new GridData(GridData.HORIZONTAL_ALIGN_BEGINNING);
gd.horizontalIndent= 20;
gd.horizontalSpan= 2;
fUnderlineCheckBox.setLayoutData(gd);
label= new Label(parent, SWT.LEFT);
label.setText(PreferencesMessages.PropertiesFileEditorPreferencePage_preview);
label.setLayoutData(new GridData(GridData.FILL_HORIZONTAL));
Control previewer= createPreviewer(parent);
gd= new GridData(GridData.FILL_BOTH);
gd.widthHint= convertWidthInCharsToPixels(20);
gd.heightHint= convertHeightInCharsToPixels(5);
previewer.setLayoutData(gd);
fHighlightingColorListViewer.addSelectionChangedListener(new ISelectionChangedListener() {
public void selectionChanged(SelectionChangedEvent event) {
handleSyntaxColorListSelection();
}
});
foregroundColorButton.addSelectionListener(new SelectionAdapter() {
@Override
public void widgetSelected(SelectionEvent e) {
HighlightingColorListItem item= getHighlightingColorListItem();
PreferenceConverter.setValue(fOverlayStore, item.getColorKey(), fSyntaxForegroundColorEditor.getColorValue());
}
});
fBoldCheckBox.addSelectionListener(new SelectionAdapter() {
@Override
public void widgetSelected(SelectionEvent e) {
HighlightingColorListItem item= getHighlightingColorListItem();
fOverlayStore.setValue(item.getBoldKey(), fBoldCheckBox.getSelection());
}
});
fItalicCheckBox.addSelectionListener(new SelectionAdapter() {
@Override
public void widgetSelected(SelectionEvent e) {
HighlightingColorListItem item= getHighlightingColorListItem();
fOverlayStore.setValue(item.getItalicKey(), fItalicCheckBox.getSelection());
}
});
fStrikethroughCheckBox.addSelectionListener(new SelectionAdapter() {
@Override
public void widgetSelected(SelectionEvent e) {
HighlightingColorListItem item= getHighlightingColorListItem();
fOverlayStore.setValue(item.getStrikethroughKey(), fStrikethroughCheckBox.getSelection());
}
});
fUnderlineCheckBox.addSelectionListener(new SelectionAdapter() {
@Override
public void widgetSelected(SelectionEvent e) {
HighlightingColorListItem item= getHighlightingColorListItem();
fOverlayStore.setValue(item.getUnderlineKey(), fUnderlineCheckBox.getSelection());
}
});
parent.layout();
return parent;
}
private Control createPreviewer(Composite parent) {
IPreferenceStore store= new ChainedPreferenceStore(new IPreferenceStore[] { fOverlayStore, JavaPlugin.getDefault().getCombinedPreferenceStore()});
fPreviewViewer= new JavaSourceViewer(parent, null, null, false, SWT.V_SCROLL | SWT.H_SCROLL | SWT.BORDER, store);
fColorManager= new JavaColorManager(false);
PropertiesFileSourceViewerConfiguration configuration= new PropertiesFileSourceViewerConfiguration(fColorManager, store, null, IPropertiesFilePartitions.PROPERTIES_FILE_PARTITIONING);
fPreviewViewer.configure(configuration);
Font font= JFaceResources.getFont(PreferenceConstants.PROPERTIES_FILE_EDITOR_TEXT_FONT);
fPreviewViewer.getTextWidget().setFont(font);
new SourcePreviewerUpdater(fPreviewViewer, configuration, store);
fPreviewViewer.setEditable(false);
String content= loadPreviewContentFromFile("PropertiesFileEditorColorSettingPreviewCode.txt"); //$NON-NLS-1$
IDocument document= new Document(content);
PropertiesFileDocumentSetupParticipant.setupDocument(document);
fPreviewViewer.setDocument(document);
return fPreviewViewer.getControl();
}
/*
* @see PreferencePage#createContents(Composite)
*/
@Override
protected Control createContents(Composite parent) {
fOverlayStore.load();
fOverlayStore.start();
Composite contents= new Composite(parent, SWT.NONE);
GridLayout layout= new GridLayout();
layout.marginHeight= 0;
layout.marginWidth= 0;
contents.setLayout(layout);
contents.setLayoutData(new GridData(GridData.FILL_BOTH));
createHeader(contents);
createSyntaxPage(contents);
initialize();
Dialog.applyDialogFont(contents);
return contents;
}
private void createHeader(Composite contents) {
String text= PreferencesMessages.PropertiesFileEditorPreferencePage_link;
Link link= new Link(contents, SWT.NONE);
link.setText(text);
link.addSelectionListener(new SelectionAdapter() {
@Override
public void widgetSelected(SelectionEvent e) {
if ("org.eclipse.ui.preferencePages.GeneralTextEditor".equals(e.text)) //$NON-NLS-1$
PreferencesUtil.createPreferenceDialogOn(getShell(), e.text, null, null);
else if ("org.eclipse.ui.preferencePages.ColorsAndFonts".equals(e.text)) //$NON-NLS-1$
PreferencesUtil.createPreferenceDialogOn(getShell(), e.text, null, "selectFont:org.eclipse.jdt.ui.PropertiesFileEditor.textfont"); //$NON-NLS-1$
}
});
GridData gridData= new GridData(SWT.FILL, SWT.BEGINNING, true, false);
gridData.widthHint= 150; // only expand further if anyone else requires it
link.setLayoutData(gridData);
addFiller(contents);
}
private void addFiller(Composite composite) {
PixelConverter pixelConverter= new PixelConverter(composite);
Label filler= new Label(composite, SWT.LEFT );
GridData gd= new GridData(GridData.HORIZONTAL_ALIGN_FILL);
gd.horizontalSpan= 2;
gd.heightHint= pixelConverter.convertHeightInCharsToPixels(1) / 2;
filler.setLayoutData(gd);
}
private void initialize() {
initializeFields();
for (int i= 0, n= fSyntaxColorListModel.length; i < n; i++)
fHighlightingColorList.add(new HighlightingColorListItem (fSyntaxColorListModel[i][0], fSyntaxColorListModel[i][1], fSyntaxColorListModel[i][1] + BOLD, fSyntaxColorListModel[i][1] + ITALIC, fSyntaxColorListModel[i][1] + STRIKETHROUGH, fSyntaxColorListModel[i][1] + UNDERLINE, null));
fHighlightingColorListViewer.setInput(fHighlightingColorList);
fHighlightingColorListViewer.setSelection(new StructuredSelection(fHighlightingColorListViewer.getElementAt(0)));
// Make sure we propagate the colors to the shared color manager
IPreferenceStore store= JavaPlugin.getDefault().getCombinedPreferenceStore();
JavaTextTools textTools= JavaPlugin.getDefault().getJavaTextTools();
PropertiesFileSourceViewerConfiguration sharedPropertiesFileSourceViewerConfiguration= new PropertiesFileSourceViewerConfiguration(textTools.getColorManager(), store, null, IPropertiesFilePartitions.PROPERTIES_FILE_PARTITIONING);
new SourcePreviewerUpdater(fPreviewViewer, sharedPropertiesFileSourceViewerConfiguration, store);
}
private void initializeFields() {
fFieldsInitialized= true;
updateStatus(new StatusInfo());
}
/*
* @see PreferencePage#performOk()
*/
@Override
public boolean performOk() {
fOverlayStore.propagate();
JavaPlugin.flushInstanceScope();
return true;
}
/*
* @see PreferencePage#performDefaults()
*/
@Override
protected void performDefaults() {
fOverlayStore.loadDefaults();
initializeFields();
handleSyntaxColorListSelection();
super.performDefaults();
fPreviewViewer.invalidateTextPresentation();
}
/*
* @see DialogPage#dispose()
*/
@Override
public void dispose() {
if (fOverlayStore != null) {
fOverlayStore.stop();
fOverlayStore= null;
}
fColorManager.dispose();
super.dispose();
}
private String loadPreviewContentFromFile(String filename) {
String line;
String separator= System.getProperty("line.separator"); //$NON-NLS-1$
StringBuffer buffer= new StringBuffer(512);
BufferedReader reader= null;
try {
reader= new BufferedReader(new InputStreamReader(getClass().getResourceAsStream(filename)));
while ((line= reader.readLine()) != null) {
buffer.append(line);
buffer.append(separator);
}
} catch (IOException io) {
JavaPlugin.log(io);
} finally {
if (reader != null) {
try { reader.close(); } catch (IOException e) {}
}
}
return buffer.toString();
}
void updateStatus(IStatus status) {
if (!fFieldsInitialized)
return;
setValid(!status.matches(IStatus.ERROR));
StatusUtil.applyToStatusLine(this, status);
}
/**
* Returns the current highlighting color list item.
*
* @return the current highlighting color list item
*/
private HighlightingColorListItem getHighlightingColorListItem() {
IStructuredSelection selection= (IStructuredSelection) fHighlightingColorListViewer.getSelection();
return (HighlightingColorListItem) selection.getFirstElement();
}
}