blob: d786fa4be6d2123daa27c44543453f6238e6db05 [file] [log] [blame]
/*******************************************************************************
* 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.wst.xsl.ui.internal.preferences;
import java.io.File;
import java.io.FileInputStream;
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.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.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.xsl.ui.internal.XSLUIPlugin;
import org.eclipse.wst.xsl.ui.internal.style.IStyleConstantsXSL;
import org.eclipse.wst.xml.ui.internal.editor.IHelpContextIds;
import org.eclipse.wst.xml.ui.internal.style.IStyleConstantsXML;
import com.ibm.icu.text.Collator;
/**
* A preference page to configure our XSL syntax color. It resembles the XML
* pages.
*
* @since 1.0
*/
public class XSLSyntaxColoringPage extends PreferencePage implements
IWorkbenchPreferencePage {
private static final String SYNTAXCOLORING_XSL = "syntaxcoloring.xsl"; //$NON-NLS-1$
private static final String XSLFILES_DIR = "xslfiles"; //$NON-NLS-1$
private Button bold;
private Label foregroundLabel;
private Label backgroundLabel;
private Button clearStyle;
private Map contextToXSLStyleMap;
private Color defaultForeground = null;
private Color defaultBackground = null;
private IStructuredDocument document;
private ColorSelector foregroundColorEditor;
private ColorSelector backgroundColorEditor;
private Button italic;
private OverlayPreferenceStore overlayStore;
private Button strike;
private Collection<String> stylePreferenceKeys;
private StructuredViewer stylesViewer = null;
private Map styleToDescriptionMap;
private StyledText styledText;
private Button underline;
// activate controls based on the given local color type
private void activate(String namedStyle) {
Color foreground = defaultForeground;
Color background = defaultBackground;
if (namedStyle == null) {
clearStyle.setEnabled(false);
bold.setEnabled(false);
italic.setEnabled(false);
strike.setEnabled(false);
underline.setEnabled(false);
foregroundLabel.setEnabled(false);
backgroundLabel.setEnabled(false);
foregroundColorEditor.setEnabled(false);
backgroundColorEditor.setEnabled(false);
bold.setSelection(false);
italic.setSelection(false);
strike.setSelection(false);
underline.setSelection(false);
} else {
TextAttribute attribute = getAttributeFor(namedStyle);
clearStyle.setEnabled(true);
bold.setEnabled(true);
italic.setEnabled(true);
strike.setEnabled(true);
underline.setEnabled(true);
foregroundLabel.setEnabled(true);
backgroundLabel.setEnabled(true);
foregroundColorEditor.setEnabled(true);
backgroundColorEditor.setEnabled(true);
bold.setSelection((attribute.getStyle() & SWT.BOLD) != 0);
italic.setSelection((attribute.getStyle() & SWT.ITALIC) != 0);
strike
.setSelection((attribute.getStyle() & TextAttribute.STRIKETHROUGH) != 0);
underline
.setSelection((attribute.getStyle() & TextAttribute.UNDERLINE) != 0);
if (attribute.getForeground() != null) {
foreground = attribute.getForeground();
}
if (attribute.getBackground() != null) {
background = attribute.getBackground();
}
}
foregroundColorEditor.setColorValue(foreground.getRGB());
backgroundColorEditor.setColorValue(background.getRGB());
}
/**
* Color the text in the sample area according to the current preferences
*/
public void applyStyles() {
if (styledText == null || styledText.isDisposed())
return;
IStructuredDocumentRegion documentRegion = document
.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
// This could be potentially expensive as we get the model and
// read it pretty consistently.
String namedStyle = null;
if (contextToXSLStyleMap.containsKey(currentRegion.getType())) {
namedStyle = (String) contextToXSLStyleMap
.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;
styledText.setStyleRange(style);
}
}
documentRegion = documentRegion.getNext();
}
}
public 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);
defaultForeground = parent.getDisplay().getSystemColor(
SWT.COLOR_LIST_FOREGROUND);
defaultBackground = parent.getDisplay().getSystemColor(
SWT.COLOR_LIST_BACKGROUND);
Composite pageComponent = createComposite(parent, 2);
PlatformUI.getWorkbench().getHelpSystem().setHelp(pageComponent,
IHelpContextIds.XML_PREFWEBX_STYLES_HELPID);
Link link = new Link(pageComponent, SWT.WRAP);
//String linkText = SSEUIMessages.SyntaxColoring_Description + XSLPreferencesMessages.getString("XSLSyntaxColoringPage.2"); //$NON-NLS-1$
link.setText(XSLPreferencesMessages.getString("XSLSyntaxColoringPage.2"));
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, XMLUIMessages.SyntaxColoringPage_0);
stylesViewer = createStylesViewer(styleEditor);
GridData gridData = new GridData(SWT.FILL, SWT.FILL, true, true);
gridData.horizontalIndent = 0;
Iterator iterator = styleToDescriptionMap.values().iterator();
while (iterator.hasNext()) {
gridData.widthHint = Math.max(gridData.widthHint,
convertWidthInCharsToPixels(iterator.next().toString()
.length()));
}
gridData.heightHint = convertHeightInCharsToPixels(5);
stylesViewer.getControl().setLayoutData(gridData);
Composite editingComposite = createComposite(top, 1);
((GridLayout) styleEditor.getLayout()).marginLeft = 5;
createLabel(editingComposite, ""); //$NON-NLS-1$
Button enabler = createCheckbox(editingComposite,
XMLUIMessages.SyntaxColoringPage_2);
enabler.setEnabled(false);
enabler.setSelection(true);
Composite editControls = createComposite(editingComposite, 2);
((GridLayout) editControls.getLayout()).marginLeft = 20;
foregroundLabel = createLabel(editControls,
SSEUIMessages.Foreground_UI_);
((GridData) foregroundLabel.getLayoutData()).verticalAlignment = SWT.CENTER;
foregroundLabel.setEnabled(false);
foregroundColorEditor = new ColorSelector(editControls);
Button fForegroundColor = foregroundColorEditor.getButton();
GridData gd = new GridData(SWT.BEGINNING, SWT.FILL, false, false);
fForegroundColor.setLayoutData(gd);
foregroundColorEditor.setEnabled(false);
backgroundLabel = createLabel(editControls,
SSEUIMessages.Background_UI_);
((GridData) backgroundLabel.getLayoutData()).verticalAlignment = SWT.CENTER;
backgroundLabel.setEnabled(false);
backgroundColorEditor = new ColorSelector(editControls);
Button fBackgroundColor = backgroundColorEditor.getButton();
gd = new GridData(SWT.BEGINNING, SWT.FILL, false, false);
fBackgroundColor.setLayoutData(gd);
backgroundColorEditor.setEnabled(false);
bold = createCheckbox(editControls, XMLUIMessages.SyntaxColoringPage_3);
bold.setEnabled(false);
((GridData) bold.getLayoutData()).horizontalSpan = 2;
italic = createCheckbox(editControls,
XMLUIMessages.SyntaxColoringPage_4);
italic.setEnabled(false);
((GridData) italic.getLayoutData()).horizontalSpan = 2;
strike = createCheckbox(editControls,
XMLUIMessages.SyntaxColoringPage_5);
strike.setEnabled(false);
((GridData) strike.getLayoutData()).horizontalSpan = 2;
underline = createCheckbox(editControls,
XMLUIMessages.SyntaxColoringPage_6);
underline.setEnabled(false);
((GridData) underline.getLayoutData()).horizontalSpan = 2;
clearStyle = new Button(editingComposite, SWT.PUSH);
clearStyle.setText(SSEUIMessages.Restore_Default_UI_); //$NON-NLS-1$ = "Restore Default"
clearStyle.setLayoutData(new GridData(SWT.BEGINNING));
((GridData) clearStyle.getLayoutData()).horizontalIndent = 20;
clearStyle.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);
styledText = viewer.getTextWidget();
GridData gridData3 = new GridData(SWT.FILL, SWT.FILL, true, true);
gridData3.widthHint = convertWidthInCharsToPixels(20);
gridData3.heightHint = convertHeightInCharsToPixels(5);
gridData3.horizontalSpan = 2;
styledText.setLayoutData(gridData3);
styledText.setEditable(false);
styledText.setFont(JFaceResources
.getFont("org.eclipse.wst.sse.ui.textfont")); //$NON-NLS-1$
styledText.addKeyListener(getTextKeyListener());
styledText.addSelectionListener(getTextSelectionListener());
styledText.addMouseListener(getTextMouseListener());
styledText.addTraverseListener(getTraverseListener());
setAccessible(styledText, SSEUIMessages.Sample_text__UI_);
try {
File file = XSLUIPlugin.makeFileFor(this.XSLFILES_DIR,
this.SYNTAXCOLORING_XSL);
document = StructuredModelManager.getModelManager()
.createStructuredDocumentFor(file.getAbsolutePath(),
new FileInputStream(file), null);
} catch (Exception ex) {
XSLUIPlugin.log(ex);
}
viewer.setDocument(document);
top.setWeights(new int[] { 1, 1 });
editor.setWeights(new int[] { 1, 1 });
PlatformUI.getWorkbench().getHelpSystem().setHelp(pageComponent,
IHelpContextIds.XML_PREFWEBX_STYLES_HELPID);
stylesViewer.setInput(getStylePreferenceKeys());
applyStyles();
stylesViewer
.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;
}
}
});
foregroundColorEditor.addListener(new IPropertyChangeListener() {
public void propertyChange(PropertyChangeEvent event) {
if (event.getProperty().equals(ColorSelector.PROP_COLORCHANGE)) {
Object o = ((IStructuredSelection) stylesViewer
.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(foregroundColorEditor
.getColorValue());
if (!newValue.equals(oldValue)) {
stylePrefs[0] = newValue;
String newPrefString = ColorHelper
.packStylePreferences(stylePrefs);
getOverlayStore().setValue(namedStyle,
newPrefString);
applyStyles();
styledText.redraw();
}
}
}
}
});
backgroundColorEditor.addListener(new IPropertyChangeListener() {
public void propertyChange(PropertyChangeEvent event) {
if (event.getProperty().equals(ColorSelector.PROP_COLORCHANGE)) {
Object o = ((IStructuredSelection) stylesViewer
.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(backgroundColorEditor
.getColorValue());
if (!newValue.equals(oldValue)) {
stylePrefs[1] = newValue;
String newPrefString = ColorHelper
.packStylePreferences(stylePrefs);
getOverlayStore().setValue(namedStyle,
newPrefString);
applyStyles();
styledText.redraw();
activate(namedStyle);
}
}
}
}
});
bold.addSelectionListener(new SelectionAdapter() {
public void widgetSelected(SelectionEvent e) {
super.widgetSelected(e);
// get current (newly old) style
Object o = ((IStructuredSelection) stylesViewer.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(bold.getSelection());
if (!newValue.equals(oldValue)) {
stylePrefs[2] = newValue;
String newPrefString = ColorHelper
.packStylePreferences(stylePrefs);
getOverlayStore().setValue(namedStyle, newPrefString);
applyStyles();
styledText.redraw();
}
}
}
});
italic.addSelectionListener(new SelectionAdapter() {
public void widgetSelected(SelectionEvent e) {
super.widgetSelected(e);
// get current (newly old) style
Object o = ((IStructuredSelection) stylesViewer.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(italic.getSelection());
if (!newValue.equals(oldValue)) {
stylePrefs[3] = newValue;
String newPrefString = ColorHelper
.packStylePreferences(stylePrefs);
getOverlayStore().setValue(namedStyle, newPrefString);
applyStyles();
styledText.redraw();
}
}
}
});
strike.addSelectionListener(new SelectionAdapter() {
public void widgetSelected(SelectionEvent e) {
super.widgetSelected(e);
// get current (newly old) style
Object o = ((IStructuredSelection) stylesViewer.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(strike.getSelection());
if (!newValue.equals(oldValue)) {
stylePrefs[4] = newValue;
String newPrefString = ColorHelper
.packStylePreferences(stylePrefs);
getOverlayStore().setValue(namedStyle, newPrefString);
applyStyles();
styledText.redraw();
}
}
}
});
underline.addSelectionListener(new SelectionAdapter() {
public void widgetSelected(SelectionEvent e) {
super.widgetSelected(e);
// get current (newly old) style
Object o = ((IStructuredSelection) stylesViewer.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(underline.getSelection());
if (!newValue.equals(oldValue)) {
stylePrefs[5] = newValue;
String newPrefString = ColorHelper
.packStylePreferences(stylePrefs);
getOverlayStore().setValue(namedStyle, newPrefString);
applyStyles();
styledText.redraw();
}
}
}
});
clearStyle.addSelectionListener(new SelectionAdapter() {
public void widgetSelected(SelectionEvent e) {
if (stylesViewer.getSelection().isEmpty())
return;
String namedStyle = ((IStructuredSelection) stylesViewer
.getSelection()).getFirstElement().toString();
getOverlayStore().setToDefault(namedStyle);
applyStyles();
styledText.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 = styleToDescriptionMap.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 (overlayStore != null) {
overlayStore.stop();
}
super.dispose();
}
protected IPreferenceStore doGetPreferenceStore() {
return XSLUIPlugin.getDefault().getPreferenceStore();
}
private TextAttribute getAttributeFor(String namedStyle) {
TextAttribute ta = new TextAttribute(defaultForeground,
defaultBackground, SWT.NORMAL);
if (namedStyle != null && overlayStore != 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 getNamedStyleAtOffset(int offset) {
// ensure the offset is clean
if (offset >= document.getLength())
return getNamedStyleAtOffset(document.getLength() - 1);
else if (offset < 0)
return getNamedStyleAtOffset(0);
IStructuredDocumentRegion documentRegion = document
.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) contextToXSLStyleMap.get(regionContext);
if (namedStyle != null) {
return namedStyle;
}
}
return null;
}
private OverlayPreferenceStore getOverlayStore() {
return overlayStore;
}
private Collection<String> getStylePreferenceKeys() {
if (stylePreferenceKeys == null) {
List<String> styles = new ArrayList<String>();
styles.add(IStyleConstantsXSL.TAG_BORDER);
styles.add(IStyleConstantsXSL.TAG_NAME);
styles.add(IStyleConstantsXSL.TAG_ATTRIBUTE_NAME);
styles.add(IStyleConstantsXSL.TAG_ATTRIBUTE_VALUE);
stylePreferenceKeys = styles;
}
return stylePreferenceKeys;
}
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);
styleToDescriptionMap = new HashMap();
contextToXSLStyleMap = new HashMap();
initStyleToDescriptionMap();
initRegionContextToStyleMap();
overlayStore = new OverlayPreferenceStore(getPreferenceStore(),
createOverlayStoreKeys());
overlayStore.load();
overlayStore.start();
}
private void initRegionContextToStyleMap() {
xslContextToStyleMap();
}
@SuppressWarnings("unchecked")
private void xslContextToStyleMap() {
contextToXSLStyleMap.put(DOMRegionContext.XML_TAG_OPEN,
IStyleConstantsXSL.TAG_BORDER);
contextToXSLStyleMap.put(DOMRegionContext.XML_END_TAG_OPEN,
IStyleConstantsXSL.TAG_BORDER);
contextToXSLStyleMap.put(DOMRegionContext.XML_TAG_NAME,
IStyleConstantsXSL.TAG_NAME);
contextToXSLStyleMap.put(DOMRegionContext.XML_TAG_ATTRIBUTE_NAME,
IStyleConstantsXSL.TAG_ATTRIBUTE_NAME);
contextToXSLStyleMap.put(DOMRegionContext.XML_TAG_ATTRIBUTE_VALUE,
IStyleConstantsXSL.TAG_ATTRIBUTE_VALUE);
contextToXSLStyleMap.put(DOMRegionContext.XML_TAG_CLOSE,
IStyleConstantsXSL.TAG_BORDER);
contextToXSLStyleMap.put(DOMRegionContext.XML_EMPTY_TAG_CLOSE,
IStyleConstantsXSL.TAG_BORDER);
}
@SuppressWarnings("unchecked")
private void initStyleToDescriptionMap() {
styleToDescriptionMap.put(IStyleConstantsXSL.TAG_BORDER,
XMLUIMessages.Tag_Delimiters_UI_);
styleToDescriptionMap.put(IStyleConstantsXSL.TAG_NAME,
XMLUIMessages.Tag_Names_UI_);
styleToDescriptionMap.put(IStyleConstantsXSL.TAG_ATTRIBUTE_NAME,
XMLUIMessages.Attribute_Names_UI_);
styleToDescriptionMap.put(IStyleConstantsXSL.TAG_ATTRIBUTE_VALUE,
XMLUIMessages.Attribute_Values_UI_);
}
protected void performDefaults() {
super.performDefaults();
getOverlayStore().loadDefaults();
applyStyles();
stylesViewer.setSelection(StructuredSelection.EMPTY);
activate(null);
styledText.redraw();
}
public boolean performOk() {
getOverlayStore().propagate();
XSLUIPlugin.getDefault().savePluginPreferences();
SSEUIPlugin.getDefault().savePluginPreferences();
return true;
}
private void selectColorAtOffset(int offset) {
String namedStyle = getNamedStyleAtOffset(offset);
if (namedStyle != null) {
stylesViewer.setSelection(new StructuredSelection(namedStyle));
stylesViewer.reveal(namedStyle);
} else {
stylesViewer.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;
}
});
}
}