/*******************************************************************************
* Copyright (c) 2007 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.jst.jsp.ui.internal.preferences.ui;
import java.util.ArrayList;
import java.util.Collection;
import java.util.HashMap;
import java.util.Iterator;
import java.util.List;
import java.util.Map;
import org.eclipse.jface.preference.ColorSelector;
import org.eclipse.jface.preference.IPreferenceStore;
import org.eclipse.jface.preference.PreferencePage;
import org.eclipse.jface.resource.JFaceResources;
import org.eclipse.jface.text.TextAttribute;
import org.eclipse.jface.text.source.SourceViewer;
import org.eclipse.jface.util.IPropertyChangeListener;
import org.eclipse.jface.util.PropertyChangeEvent;
import org.eclipse.jface.viewers.ISelectionChangedListener;
import org.eclipse.jface.viewers.IStructuredSelection;
import org.eclipse.jface.viewers.ITreeContentProvider;
import org.eclipse.jface.viewers.LabelProvider;
import org.eclipse.jface.viewers.ListViewer;
import org.eclipse.jface.viewers.SelectionChangedEvent;
import org.eclipse.jface.viewers.StructuredSelection;
import org.eclipse.jface.viewers.StructuredViewer;
import org.eclipse.jface.viewers.Viewer;
import org.eclipse.jface.viewers.ViewerComparator;
import org.eclipse.jst.jsp.core.internal.provisional.contenttype.ContentTypeIdForJSP;
import org.eclipse.jst.jsp.core.internal.regions.DOMJSPRegionContexts;
import org.eclipse.jst.jsp.ui.internal.JSPUIMessages;
import org.eclipse.jst.jsp.ui.internal.JSPUIPlugin;
import org.eclipse.jst.jsp.ui.internal.editor.IHelpContextIds;
import org.eclipse.jst.jsp.ui.internal.style.IStyleConstantsJSP;
import org.eclipse.swt.SWT;
import org.eclipse.swt.accessibility.ACC;
import org.eclipse.swt.accessibility.AccessibleAdapter;
import org.eclipse.swt.accessibility.AccessibleEvent;
import org.eclipse.swt.custom.SashForm;
import org.eclipse.swt.custom.StyleRange;
import org.eclipse.swt.custom.StyledText;
import org.eclipse.swt.events.KeyEvent;
import org.eclipse.swt.events.KeyListener;
import org.eclipse.swt.events.MouseEvent;
import org.eclipse.swt.events.MouseListener;
import org.eclipse.swt.events.SelectionAdapter;
import org.eclipse.swt.events.SelectionEvent;
import org.eclipse.swt.events.SelectionListener;
import org.eclipse.swt.events.TraverseEvent;
import org.eclipse.swt.events.TraverseListener;
import org.eclipse.swt.graphics.Color;
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.ui.IWorkbench;
import org.eclipse.ui.IWorkbenchPreferencePage;
import org.eclipse.ui.PlatformUI;
import org.eclipse.ui.dialogs.PreferencesUtil;
import org.eclipse.wst.html.ui.internal.style.IStyleConstantsHTML;
import org.eclipse.wst.sse.core.StructuredModelManager;
import org.eclipse.wst.sse.core.internal.provisional.text.IStructuredDocument;
import org.eclipse.wst.sse.core.internal.provisional.text.IStructuredDocumentRegion;
import org.eclipse.wst.sse.core.internal.provisional.text.ITextRegion;
import org.eclipse.wst.sse.core.internal.provisional.text.ITextRegionList;
import org.eclipse.wst.sse.ui.internal.SSEUIMessages;
import org.eclipse.wst.sse.ui.internal.SSEUIPlugin;
import org.eclipse.wst.sse.ui.internal.preferences.OverlayPreferenceStore;
import org.eclipse.wst.sse.ui.internal.preferences.OverlayPreferenceStore.OverlayKey;
import org.eclipse.wst.sse.ui.internal.preferences.ui.ColorHelper;
import org.eclipse.wst.sse.ui.internal.util.EditorUtility;
import org.eclipse.wst.xml.core.internal.regions.DOMRegionContext;
import org.eclipse.wst.xml.ui.internal.XMLUIMessages;
import org.eclipse.wst.xml.ui.internal.style.IStyleConstantsXML;
import com.ibm.icu.text.Collator;
/**
* A preference page to configure our XML syntax color. It resembles the JDT
* and CDT pages far more than our original color page while retaining the
* extra "click-to-find" functionality.
*/
public final class JSPSyntaxColoringPage extends PreferencePage implements IWorkbenchPreferencePage {
private Button fBold;
private Label fForegroundLabel;
private Label fBackgroundLabel;
private Button fClearStyle;
private Map fContextToStyleMap;
private Color fDefaultForeground = null;
private Color fDefaultBackground = null;
private IStructuredDocument fDocument;
private ColorSelector fForegroundColorEditor;
private ColorSelector fBackgroundColorEditor;
private Button fItalic;
private OverlayPreferenceStore fOverlayStore;
private Button fStrike;
private Collection fStylePreferenceKeys;
private StructuredViewer fStylesViewer = null;
private Map fStyleToDescriptionMap;
private StyledText fText;
private Button fUnderline;
// activate controls based on the given local color type
private void activate(String namedStyle) {
Color foreground = fDefaultForeground;
Color background = fDefaultBackground;
if (namedStyle == null) {
fClearStyle.setEnabled(false);
fBold.setEnabled(false);
fItalic.setEnabled(false);
fStrike.setEnabled(false);
fUnderline.setEnabled(false);
fForegroundLabel.setEnabled(false);
fBackgroundLabel.setEnabled(false);
fForegroundColorEditor.setEnabled(false);
fBackgroundColorEditor.setEnabled(false);
fBold.setSelection(false);
fItalic.setSelection(false);
fStrike.setSelection(false);
fUnderline.setSelection(false);
}
else {
TextAttribute attribute = getAttributeFor(namedStyle);
fClearStyle.setEnabled(true);
boolean enableBackgroundOnly = IStyleConstantsJSP.JSP_CONTENT.equals(namedStyle);
fBold.setEnabled(!enableBackgroundOnly);
fItalic.setEnabled(!enableBackgroundOnly);
fStrike.setEnabled(!enableBackgroundOnly);
fUnderline.setEnabled(!enableBackgroundOnly);
fForegroundLabel.setEnabled(!enableBackgroundOnly);
fForegroundColorEditor.setEnabled(!enableBackgroundOnly);
fBackgroundLabel.setEnabled(true);
fBackgroundColorEditor.setEnabled(true);
fBold.setSelection((attribute.getStyle() & SWT.BOLD) != 0);
fItalic.setSelection((attribute.getStyle() & SWT.ITALIC) != 0);
fStrike.setSelection((attribute.getStyle() & TextAttribute.STRIKETHROUGH) != 0);
fUnderline.setSelection((attribute.getStyle() & TextAttribute.UNDERLINE) != 0);
if (attribute.getForeground() != null) {
foreground = attribute.getForeground();
}
if (attribute.getBackground() != null) {
background = attribute.getBackground();
}
}
fForegroundColorEditor.setColorValue(foreground.getRGB());
fBackgroundColorEditor.setColorValue(background.getRGB());
}
/**
* Color the text in the sample area according to the current preferences
*/
void applyStyles() {
if (fText == null || fText.isDisposed())
return;
IStructuredDocumentRegion documentRegion = fDocument.getFirstStructuredDocumentRegion();
while (documentRegion != null) {
ITextRegionList regions = documentRegion.getRegions();
for (int i = 0; i < regions.size(); i++) {
ITextRegion currentRegion = regions.get(i);
// lookup the local coloring type and apply it
String namedStyle = (String) fContextToStyleMap.get(currentRegion.getType());
if (namedStyle == null)
continue;
TextAttribute attribute = getAttributeFor(namedStyle);
if (attribute == null)
continue;
StyleRange style = new StyleRange(documentRegion.getStartOffset(currentRegion), currentRegion.getTextLength(), attribute.getForeground(), attribute.getBackground(), attribute.getStyle());
style.strikeout = (attribute.getStyle() & TextAttribute.STRIKETHROUGH) != 0;
style.underline = (attribute.getStyle() & TextAttribute.UNDERLINE) != 0;
fText.setStyleRange(style);
}
documentRegion = documentRegion.getNext();
}
}
Button createCheckbox(Composite parent, String label) {
Button button = new Button(parent, SWT.CHECK);
button.setText(label);
button.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, false));
return button;
}
/**
* Creates composite control and sets the default layout data.
*/
private Composite createComposite(Composite parent, int numColumns) {
Composite composite = new Composite(parent, SWT.NULL);
// GridLayout
GridLayout layout = new GridLayout();
layout.numColumns = numColumns;
layout.makeColumnsEqualWidth = false;
layout.marginHeight = 0;
layout.marginWidth = 0;
composite.setLayout(layout);
// GridData
GridData data = new GridData(SWT.FILL, SWT.FILL, true, false);
composite.setLayoutData(data);
return composite;
}
protected Control createContents(final Composite parent) {
initializeDialogUnits(parent);
fDefaultForeground = parent.getDisplay().getSystemColor(SWT.COLOR_LIST_FOREGROUND);
fDefaultBackground = parent.getDisplay().getSystemColor(SWT.COLOR_LIST_BACKGROUND);
Composite pageComponent = createComposite(parent, 2);
PlatformUI.getWorkbench().getHelpSystem().setHelp(pageComponent, IHelpContextIds.JSP_PREFWEBX_STYLES_HELPID);
Link link = new Link(pageComponent, SWT.WRAP);
link.setText(SSEUIMessages.SyntaxColoring_Link);
link.addSelectionListener(new SelectionAdapter() {
public void widgetSelected(SelectionEvent e) {
PreferencesUtil.createPreferenceDialogOn(parent.getShell(), e.text, null, null);
}
});
GridData linkData= new GridData(SWT.FILL, SWT.BEGINNING, true, false, 2, 1);
linkData.widthHint= 150; // only expand further if anyone else requires it
link.setLayoutData(linkData);
new Label(pageComponent, SWT.NONE).setLayoutData(new GridData());
new Label(pageComponent, SWT.NONE).setLayoutData(new GridData());
SashForm editor = new SashForm(pageComponent, SWT.VERTICAL);
GridData gridData2 = new GridData(SWT.FILL, SWT.FILL, true, true);
gridData2.horizontalSpan = 2;
editor.setLayoutData(gridData2);
SashForm top = new SashForm(editor, SWT.HORIZONTAL);
Composite styleEditor = createComposite(top, 1);
((GridLayout) styleEditor.getLayout()).marginRight = 5;
((GridLayout) styleEditor.getLayout()).marginLeft = 0;
createLabel(styleEditor, JSPUIMessages.SyntaxColoringPage_0);
fStylesViewer = createStylesViewer(styleEditor);
GridData gridData = new GridData(SWT.FILL, SWT.FILL, true, true);
gridData.horizontalIndent = 0;
Iterator iterator = fStyleToDescriptionMap.values().iterator();
while (iterator.hasNext()) {
gridData.widthHint = Math.max(gridData.widthHint, convertWidthInCharsToPixels(iterator.next().toString().length()));
}
gridData.heightHint = convertHeightInCharsToPixels(5);
fStylesViewer.getControl().setLayoutData(gridData);
Composite editingComposite = createComposite(top, 1);
((GridLayout) styleEditor.getLayout()).marginLeft = 5;
createLabel(editingComposite, ""); //$NON-NLS-1$
Button enabler = createCheckbox(editingComposite, JSPUIMessages.SyntaxColoringPage_2);
enabler.setEnabled(false);
enabler.setSelection(true);
Composite editControls = createComposite(editingComposite, 2);
((GridLayout) editControls.getLayout()).marginLeft = 20;
fForegroundLabel = createLabel(editControls, SSEUIMessages.Foreground_UI_);
((GridData) fForegroundLabel.getLayoutData()).verticalAlignment = SWT.CENTER;
fForegroundLabel.setEnabled(false);
fForegroundColorEditor = new ColorSelector(editControls);
Button fForegroundColor = fForegroundColorEditor.getButton();
GridData gd = new GridData(SWT.BEGINNING, SWT.FILL, false, false);
fForegroundColor.setLayoutData(gd);
fForegroundColorEditor.setEnabled(false);
fBackgroundLabel = createLabel(editControls, SSEUIMessages.Background_UI_);
((GridData) fBackgroundLabel.getLayoutData()).verticalAlignment = SWT.CENTER;
fBackgroundLabel.setEnabled(false);
fBackgroundColorEditor = new ColorSelector(editControls);
Button fBackgroundColor = fBackgroundColorEditor.getButton();
gd = new GridData(SWT.BEGINNING, SWT.FILL, false, false);
fBackgroundColor.setLayoutData(gd);
fBackgroundColorEditor.setEnabled(false);
fBold = createCheckbox(editControls, JSPUIMessages.SyntaxColoringPage_3);
fBold.setEnabled(false);
((GridData) fBold.getLayoutData()).horizontalSpan = 2;
fItalic = createCheckbox(editControls, JSPUIMessages.SyntaxColoringPage_4);
fItalic.setEnabled(false);
((GridData) fItalic.getLayoutData()).horizontalSpan = 2;
fStrike = createCheckbox(editControls, JSPUIMessages.SyntaxColoringPage_5);
fStrike.setEnabled(false);
((GridData) fStrike.getLayoutData()).horizontalSpan = 2;
fUnderline = createCheckbox(editControls, JSPUIMessages.SyntaxColoringPage_6);
fUnderline.setEnabled(false);
((GridData) fUnderline.getLayoutData()).horizontalSpan = 2;
fClearStyle = new Button(editingComposite, SWT.PUSH);
fClearStyle.setText(SSEUIMessages.Restore_Default_UI_); //$NON-NLS-1$ = "Restore Default"
fClearStyle.setLayoutData(new GridData(SWT.BEGINNING));
((GridData) fClearStyle.getLayoutData()).horizontalIndent = 20;
fClearStyle.setEnabled(false);
Composite sampleArea = createComposite(editor, 1);
((GridLayout) sampleArea.getLayout()).marginLeft = 5;
((GridLayout) sampleArea.getLayout()).marginTop = 5;
createLabel(sampleArea, SSEUIMessages.Sample_text__UI_); //$NON-NLS-1$ = "&Sample text:"
SourceViewer viewer = new SourceViewer(sampleArea, null, SWT.BORDER | SWT.LEFT_TO_RIGHT | SWT.MULTI | SWT.V_SCROLL | SWT.H_SCROLL | SWT.READ_ONLY);
fText = viewer.getTextWidget();
GridData gridData3 = new GridData(SWT.FILL, SWT.FILL, true, true);
gridData3.widthHint = convertWidthInCharsToPixels(20);
gridData3.heightHint = convertHeightInCharsToPixels(5);
gridData3.horizontalSpan = 2;
fText.setLayoutData(gridData3);
fText.setEditable(false);
fText.setFont(JFaceResources.getFont("org.eclipse.wst.sse.ui.textfont")); //$NON-NLS-1$
fText.addKeyListener(getTextKeyListener());
fText.addSelectionListener(getTextSelectionListener());
fText.addMouseListener(getTextMouseListener());
fText.addTraverseListener(getTraverseListener());
setAccessible(fText, SSEUIMessages.Sample_text__UI_);
fDocument = StructuredModelManager.getModelManager().createStructuredDocumentFor(ContentTypeIdForJSP.ContentTypeID_JSP);
fDocument.set(getExampleText());
viewer.setDocument(fDocument);
top.setWeights(new int[]{1, 1});
editor.setWeights(new int[]{1, 1});
PlatformUI.getWorkbench().getHelpSystem().setHelp(pageComponent, IHelpContextIds.JSP_PREFWEBX_STYLES_HELPID);
fStylesViewer.setInput(getStylePreferenceKeys());
applyStyles();
fStylesViewer.addSelectionChangedListener(new ISelectionChangedListener() {
public void selectionChanged(SelectionChangedEvent event) {
if (!event.getSelection().isEmpty()) {
Object o = ((IStructuredSelection) event.getSelection()).getFirstElement();
String namedStyle = o.toString();
activate(namedStyle);
if (namedStyle == null)
return;
}
}
});
fForegroundColorEditor.addListener(new IPropertyChangeListener() {
public void propertyChange(PropertyChangeEvent event) {
if (event.getProperty().equals(ColorSelector.PROP_COLORCHANGE)) {
Object o = ((IStructuredSelection) fStylesViewer.getSelection()).getFirstElement();
String namedStyle = o.toString();
String prefString = getOverlayStore().getString(namedStyle);
String[] stylePrefs = ColorHelper.unpackStylePreferences(prefString);
if (stylePrefs != null) {
String oldValue = stylePrefs[0];
// open color dialog to get new color
String newValue = ColorHelper.toRGBString(fForegroundColorEditor.getColorValue());
if (!newValue.equals(oldValue)) {
stylePrefs[0] = newValue;
String newPrefString = ColorHelper.packStylePreferences(stylePrefs);
getOverlayStore().setValue(namedStyle, newPrefString);
applyStyles();
fText.redraw();
}
}
}
}
});
fBackgroundColorEditor.addListener(new IPropertyChangeListener() {
public void propertyChange(PropertyChangeEvent event) {
if (event.getProperty().equals(ColorSelector.PROP_COLORCHANGE)) {
Object o = ((IStructuredSelection) fStylesViewer.getSelection()).getFirstElement();
String namedStyle = o.toString();
String prefString = getOverlayStore().getString(namedStyle);
String[] stylePrefs = ColorHelper.unpackStylePreferences(prefString);
if (stylePrefs != null) {
String oldValue = stylePrefs[1];
// open color dialog to get new color
String newValue = ColorHelper.toRGBString(fBackgroundColorEditor.getColorValue());
if (!newValue.equals(oldValue)) {
stylePrefs[1] = newValue;
String newPrefString = ColorHelper.packStylePreferences(stylePrefs);
getOverlayStore().setValue(namedStyle, newPrefString);
applyStyles();
fText.redraw();
activate(namedStyle);
}
}
}
}
});
fBold.addSelectionListener(new SelectionAdapter() {
public void widgetSelected(SelectionEvent e) {
super.widgetSelected(e);
// get current (newly old) style
Object o = ((IStructuredSelection) fStylesViewer.getSelection()).getFirstElement();
String namedStyle = o.toString();
String prefString = getOverlayStore().getString(namedStyle);
String[] stylePrefs = ColorHelper.unpackStylePreferences(prefString);
if (stylePrefs != null) {
String oldValue = stylePrefs[2];
String newValue = String.valueOf(fBold.getSelection());
if (!newValue.equals(oldValue)) {
stylePrefs[2] = newValue;
String newPrefString = ColorHelper.packStylePreferences(stylePrefs);
getOverlayStore().setValue(namedStyle, newPrefString);
applyStyles();
fText.redraw();
}
}
}
});
fItalic.addSelectionListener(new SelectionAdapter() {
public void widgetSelected(SelectionEvent e) {
super.widgetSelected(e);
// get current (newly old) style
Object o = ((IStructuredSelection) fStylesViewer.getSelection()).getFirstElement();
String namedStyle = o.toString();
String prefString = getOverlayStore().getString(namedStyle);
String[] stylePrefs = ColorHelper.unpackStylePreferences(prefString);
if (stylePrefs != null) {
String oldValue = stylePrefs[3];
String newValue = String.valueOf(fItalic.getSelection());
if (!newValue.equals(oldValue)) {
stylePrefs[3] = newValue;
String newPrefString = ColorHelper.packStylePreferences(stylePrefs);
getOverlayStore().setValue(namedStyle, newPrefString);
applyStyles();
fText.redraw();
}
}
}
});
fStrike.addSelectionListener(new SelectionAdapter() {
public void widgetSelected(SelectionEvent e) {
super.widgetSelected(e);
// get current (newly old) style
Object o = ((IStructuredSelection) fStylesViewer.getSelection()).getFirstElement();
String namedStyle = o.toString();
String prefString = getOverlayStore().getString(namedStyle);
String[] stylePrefs = ColorHelper.unpackStylePreferences(prefString);
if (stylePrefs != null) {
String oldValue = stylePrefs[4];
String newValue = String.valueOf(fStrike.getSelection());
if (!newValue.equals(oldValue)) {
stylePrefs[4] = newValue;
String newPrefString = ColorHelper.packStylePreferences(stylePrefs);
getOverlayStore().setValue(namedStyle, newPrefString);
applyStyles();
fText.redraw();
}
}
}
});
fUnderline.addSelectionListener(new SelectionAdapter() {
public void widgetSelected(SelectionEvent e) {
super.widgetSelected(e);
// get current (newly old) style
Object o = ((IStructuredSelection) fStylesViewer.getSelection()).getFirstElement();
String namedStyle = o.toString();
String prefString = getOverlayStore().getString(namedStyle);
String[] stylePrefs = ColorHelper.unpackStylePreferences(prefString);
if (stylePrefs != null) {
String oldValue = stylePrefs[5];
String newValue = String.valueOf(fUnderline.getSelection());
if (!newValue.equals(oldValue)) {
stylePrefs[5] = newValue;
String newPrefString = ColorHelper.packStylePreferences(stylePrefs);
getOverlayStore().setValue(namedStyle, newPrefString);
applyStyles();
fText.redraw();
}
}
}
});
fClearStyle.addSelectionListener(new SelectionAdapter() {
public void widgetSelected(SelectionEvent e) {
if (fStylesViewer.getSelection().isEmpty())
return;
String namedStyle = ((IStructuredSelection) fStylesViewer.getSelection()).getFirstElement().toString();
getOverlayStore().setToDefault(namedStyle);
applyStyles();
fText.redraw();
activate(namedStyle);
}
});
return pageComponent;
}
private Label createLabel(Composite parent, String text) {
Label label = new Label(parent, SWT.WRAP);
label.setText(text);
GridData data = new GridData(SWT.FILL, SWT.FILL, false, false);
label.setLayoutData(data);
label.setBackground(parent.getBackground());
return label;
}
// protected Label createDescriptionLabel(Composite parent) {
// return null;
// }
/**
* Set up all the style preference keys in the overlay store
*/
private OverlayKey[] createOverlayStoreKeys() {
List overlayKeys = new ArrayList();
Iterator i = getStylePreferenceKeys().iterator();
while (i.hasNext()) {
overlayKeys.add(new OverlayPreferenceStore.OverlayKey(OverlayPreferenceStore.STRING, (String) i.next()));
}
OverlayPreferenceStore.OverlayKey[] keys = new OverlayPreferenceStore.OverlayKey[overlayKeys.size()];
overlayKeys.toArray(keys);
return keys;
}
/**
* Creates the List viewer where we see the various syntax element display
* names--would it ever be a Tree like JDT's?
*
* @param parent
* @return
*/
private StructuredViewer createStylesViewer(Composite parent) {
StructuredViewer stylesViewer = new ListViewer(parent, SWT.SINGLE | SWT.V_SCROLL | SWT.H_SCROLL | SWT.BORDER);
stylesViewer.setComparator(new ViewerComparator(Collator.getInstance()));
stylesViewer.setLabelProvider(new LabelProvider() {
public String getText(Object element) {
Object description = fStyleToDescriptionMap.get(element);
if (description != null)
return description.toString();
return super.getText(element);
}
});
stylesViewer.setContentProvider(new ITreeContentProvider() {
public void dispose() {
}
public Object[] getChildren(Object parentElement) {
return getStylePreferenceKeys().toArray();
}
public Object[] getElements(Object inputElement) {
return getChildren(inputElement);
}
public Object getParent(Object element) {
return getStylePreferenceKeys();
}
public boolean hasChildren(Object element) {
return false;
}
public void inputChanged(Viewer viewer, Object oldInput, Object newInput) {
}
});
return stylesViewer;
}
public void dispose() {
if (fOverlayStore != null) {
fOverlayStore.stop();
}
super.dispose();
}
protected IPreferenceStore doGetPreferenceStore() {
return JSPUIPlugin.getDefault().getPreferenceStore();
}
private TextAttribute getAttributeFor(String namedStyle) {
TextAttribute ta = new TextAttribute(fDefaultForeground, fDefaultBackground, SWT.NORMAL);
if (namedStyle != null && fOverlayStore != null) {
// note: "namedStyle" *is* the preference key
String prefString = getOverlayStore().getString(namedStyle);
String[] stylePrefs = ColorHelper.unpackStylePreferences(prefString);
if (stylePrefs != null) {
RGB foreground = ColorHelper.toRGB(stylePrefs[0]);
RGB background = ColorHelper.toRGB(stylePrefs[1]);
int fontModifier = SWT.NORMAL;
if (stylePrefs.length > 2) {
boolean on = Boolean.valueOf(stylePrefs[2]).booleanValue();
if (on)
fontModifier = fontModifier | SWT.BOLD;
}
if (stylePrefs.length > 3) {
boolean on = Boolean.valueOf(stylePrefs[3]).booleanValue();
if (on)
fontModifier = fontModifier | SWT.ITALIC;
}
if (stylePrefs.length > 4) {
boolean on = Boolean.valueOf(stylePrefs[4]).booleanValue();
if (on)
fontModifier = fontModifier | TextAttribute.STRIKETHROUGH;
}
if (stylePrefs.length > 5) {
boolean on = Boolean.valueOf(stylePrefs[5]).booleanValue();
if (on)
fontModifier = fontModifier | TextAttribute.UNDERLINE;
}
ta = new TextAttribute((foreground != null) ? EditorUtility.getColor(foreground) : null, (background != null) ? EditorUtility.getColor(background) : null, fontModifier);
}
}
return ta;
}
private String getExampleText() {
return JSPUIMessages.Sample_JSP_doc;
}
private String getNamedStyleAtOffset(int offset) {
// ensure the offset is clean
if (offset >= fDocument.getLength())
return getNamedStyleAtOffset(fDocument.getLength() - 1);
else if (offset < 0)
return getNamedStyleAtOffset(0);
IStructuredDocumentRegion documentRegion = fDocument.getFirstStructuredDocumentRegion();
while (documentRegion != null && !documentRegion.containsOffset(offset)) {
documentRegion = documentRegion.getNext();
}
if (documentRegion != null) {
// find the ITextRegion's Context at this offset
ITextRegion interest = documentRegion.getRegionAtCharacterOffset(offset);
if (interest == null)
return null;
if (offset > documentRegion.getTextEndOffset(interest))
return null;
String regionContext = interest.getType();
if (regionContext == null)
return null;
// find the named style (internal/selectable name) for that
// context
String namedStyle = (String) fContextToStyleMap.get(regionContext);
if (namedStyle != null) {
return namedStyle;
}
}
return null;
}
private OverlayPreferenceStore getOverlayStore() {
return fOverlayStore;
}
private Collection getStylePreferenceKeys() {
if (fStylePreferenceKeys == null) {
List styles = new ArrayList();
styles.add(IStyleConstantsXML.TAG_BORDER);
styles.add(IStyleConstantsXML.TAG_NAME);
styles.add(IStyleConstantsXML.TAG_ATTRIBUTE_NAME);
styles.add(IStyleConstantsXML.TAG_ATTRIBUTE_EQUALS);
styles.add(IStyleConstantsXML.TAG_ATTRIBUTE_VALUE);
styles.add(IStyleConstantsXML.COMMENT_BORDER);
styles.add(IStyleConstantsXML.COMMENT_TEXT);
styles.add(IStyleConstantsHTML.SCRIPT_AREA_BORDER);
styles.add(IStyleConstantsJSP.JSP_CONTENT);
fStylePreferenceKeys = styles;
}
return fStylePreferenceKeys;
}
private KeyListener getTextKeyListener() {
return new KeyListener() {
public void keyPressed(KeyEvent e) {
if (e.widget instanceof StyledText) {
int x = ((StyledText) e.widget).getCaretOffset();
selectColorAtOffset(x);
}
}
public void keyReleased(KeyEvent e) {
if (e.widget instanceof StyledText) {
int x = ((StyledText) e.widget).getCaretOffset();
selectColorAtOffset(x);
}
}
};
}
private MouseListener getTextMouseListener() {
return new MouseListener() {
public void mouseDoubleClick(MouseEvent e) {
}
public void mouseDown(MouseEvent e) {
}
public void mouseUp(MouseEvent e) {
if (e.widget instanceof StyledText) {
int x = ((StyledText) e.widget).getCaretOffset();
selectColorAtOffset(x);
}
}
};
}
private SelectionListener getTextSelectionListener() {
return new SelectionListener() {
public void widgetDefaultSelected(SelectionEvent e) {
selectColorAtOffset(e.x);
if (e.widget instanceof StyledText) {
((StyledText) e.widget).setSelection(e.x);
}
}
public void widgetSelected(SelectionEvent e) {
selectColorAtOffset(e.x);
if (e.widget instanceof StyledText) {
((StyledText) e.widget).setSelection(e.x);
}
}
};
}
private TraverseListener getTraverseListener() {
return new TraverseListener() {
/**
* @see org.eclipse.swt.events.TraverseListener#keyTraversed(TraverseEvent)
*/
public void keyTraversed(TraverseEvent e) {
if (e.widget instanceof StyledText) {
if ((e.detail == SWT.TRAVERSE_TAB_NEXT) || (e.detail == SWT.TRAVERSE_TAB_PREVIOUS))
e.doit = true;
}
}
};
}
public void init(IWorkbench workbench) {
setDescription(SSEUIMessages.SyntaxColoring_Description);
fStyleToDescriptionMap = new HashMap();
fContextToStyleMap = new HashMap();
initStyleToDescriptionMap();
initRegionContextToStyleMap();
fOverlayStore = new OverlayPreferenceStore(getPreferenceStore(), createOverlayStoreKeys());
fOverlayStore.load();
fOverlayStore.start();
}
private void initRegionContextToStyleMap() {
fContextToStyleMap.put(DOMRegionContext.XML_COMMENT_OPEN, IStyleConstantsXML.COMMENT_BORDER);
fContextToStyleMap.put(DOMRegionContext.XML_COMMENT_TEXT, IStyleConstantsXML.COMMENT_TEXT);
fContextToStyleMap.put(DOMRegionContext.XML_COMMENT_CLOSE, IStyleConstantsXML.COMMENT_BORDER);
fContextToStyleMap.put(DOMRegionContext.XML_TAG_OPEN, IStyleConstantsXML.TAG_BORDER);
fContextToStyleMap.put(DOMRegionContext.XML_END_TAG_OPEN, IStyleConstantsXML.TAG_BORDER);
fContextToStyleMap.put(DOMRegionContext.XML_TAG_NAME, IStyleConstantsXML.TAG_NAME);
fContextToStyleMap.put(DOMRegionContext.XML_TAG_ATTRIBUTE_NAME, IStyleConstantsXML.TAG_ATTRIBUTE_NAME);
fContextToStyleMap.put(DOMRegionContext.XML_TAG_ATTRIBUTE_EQUALS, IStyleConstantsXML.TAG_ATTRIBUTE_EQUALS);
fContextToStyleMap.put(DOMRegionContext.XML_TAG_ATTRIBUTE_VALUE, IStyleConstantsXML.TAG_ATTRIBUTE_VALUE);
fContextToStyleMap.put(DOMRegionContext.XML_TAG_CLOSE, IStyleConstantsXML.TAG_BORDER);
fContextToStyleMap.put(DOMRegionContext.XML_EMPTY_TAG_CLOSE, IStyleConstantsXML.TAG_BORDER);
fContextToStyleMap.put(DOMRegionContext.XML_CHAR_REFERENCE, IStyleConstantsXML.ENTITY_REFERENCE);
fContextToStyleMap.put(DOMRegionContext.XML_ENTITY_REFERENCE, IStyleConstantsXML.ENTITY_REFERENCE);
fContextToStyleMap.put(DOMRegionContext.XML_PE_REFERENCE, IStyleConstantsXML.ENTITY_REFERENCE);
fContextToStyleMap.put(DOMJSPRegionContexts.JSP_DECLARATION_OPEN, IStyleConstantsHTML.SCRIPT_AREA_BORDER);
fContextToStyleMap.put(DOMJSPRegionContexts.JSP_SCRIPTLET_OPEN, IStyleConstantsHTML.SCRIPT_AREA_BORDER);
fContextToStyleMap.put(DOMJSPRegionContexts.JSP_EXPRESSION_OPEN, IStyleConstantsHTML.SCRIPT_AREA_BORDER);
fContextToStyleMap.put(DOMJSPRegionContexts.JSP_DIRECTIVE_OPEN, IStyleConstantsHTML.SCRIPT_AREA_BORDER);
fContextToStyleMap.put(DOMJSPRegionContexts.JSP_DIRECTIVE_CLOSE, IStyleConstantsHTML.SCRIPT_AREA_BORDER);
fContextToStyleMap.put(DOMJSPRegionContexts.JSP_CLOSE, IStyleConstantsHTML.SCRIPT_AREA_BORDER);
fContextToStyleMap.put(DOMJSPRegionContexts.JSP_CONTENT, IStyleConstantsJSP.JSP_CONTENT);
fContextToStyleMap.put(DOMJSPRegionContexts.JSP_DIRECTIVE_NAME, IStyleConstantsXML.TAG_NAME);
fContextToStyleMap.put(DOMJSPRegionContexts.JSP_ROOT_TAG_NAME, IStyleConstantsXML.TAG_NAME);
fContextToStyleMap.put(DOMJSPRegionContexts.JSP_COMMENT_OPEN, IStyleConstantsXML.COMMENT_BORDER);
fContextToStyleMap.put(DOMJSPRegionContexts.JSP_COMMENT_TEXT, IStyleConstantsXML.COMMENT_TEXT);
fContextToStyleMap.put(DOMJSPRegionContexts.JSP_COMMENT_CLOSE, IStyleConstantsXML.COMMENT_BORDER);
fContextToStyleMap.put(DOMJSPRegionContexts.XML_TAG_ATTRIBUTE_VALUE_DQUOTE, IStyleConstantsXML.TAG_ATTRIBUTE_VALUE);
fContextToStyleMap.put(DOMJSPRegionContexts.XML_TAG_ATTRIBUTE_VALUE_SQUOTE, IStyleConstantsXML.TAG_ATTRIBUTE_VALUE);
}
private void initStyleToDescriptionMap() {
fStyleToDescriptionMap.put(IStyleConstantsXML.COMMENT_BORDER, XMLUIMessages.Comment_Delimiters_UI_); // =
fStyleToDescriptionMap.put(IStyleConstantsXML.COMMENT_TEXT, XMLUIMessages.Comment_Content_UI_); // =
fStyleToDescriptionMap.put(IStyleConstantsXML.TAG_BORDER, XMLUIMessages.Tag_Delimiters_UI_); // =
fStyleToDescriptionMap.put(IStyleConstantsXML.TAG_NAME, XMLUIMessages.Tag_Names_UI_); // =
fStyleToDescriptionMap.put(IStyleConstantsXML.TAG_ATTRIBUTE_NAME, XMLUIMessages.Attribute_Names_UI_); // =
fStyleToDescriptionMap.put(IStyleConstantsXML.TAG_ATTRIBUTE_EQUALS, XMLUIMessages.Attribute_Equals_UI_);
fStyleToDescriptionMap.put(IStyleConstantsXML.TAG_ATTRIBUTE_VALUE, XMLUIMessages.Attribute_Values_UI_); // =
fStyleToDescriptionMap.put(IStyleConstantsXML.ENTITY_REFERENCE, XMLUIMessages.Entity_Reference_UI_); //$NON-NLS-1$ = "Entity References"
fStyleToDescriptionMap.put(IStyleConstantsHTML.SCRIPT_AREA_BORDER, JSPUIMessages.JSP_Delimiters_UI_); //$NON-NLS-1$ = "JSP Delimiters"
fStyleToDescriptionMap.put(IStyleConstantsJSP.JSP_CONTENT, JSPUIMessages.JSPColorPage_jsp_content);
}
protected void performDefaults() {
super.performDefaults();
getOverlayStore().loadDefaults();
applyStyles();
fStylesViewer.setSelection(StructuredSelection.EMPTY);
activate(null);
fText.redraw();
}
public boolean performOk() {
getOverlayStore().propagate();
JSPUIPlugin.getDefault().savePluginPreferences();
SSEUIPlugin.getDefault().savePluginPreferences();
return true;
}
private void selectColorAtOffset(int offset) {
String namedStyle = getNamedStyleAtOffset(offset);
if (namedStyle != null) {
fStylesViewer.setSelection(new StructuredSelection(namedStyle));
fStylesViewer.reveal(namedStyle);
}
else {
fStylesViewer.setSelection(StructuredSelection.EMPTY);
}
activate(namedStyle);
}
/**
* Specifically set the reporting name of a control for accessibility
*/
private void setAccessible(Control control, String name) {
if (control == null)
return;
final String n = name;
control.getAccessible().addAccessibleListener(new AccessibleAdapter() {
public void getName(AccessibleEvent e) {
if (e.childID == ACC.CHILDID_SELF)
e.result = n;
}
});
}
}