/*******************************************************************************
* This file is part of the Twig eclipse plugin.
*
* (c) Robert Gruendler <r.gruendler@gmail.com>
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
******************************************************************************/
package com.dubture.twig.ui.preferences;
import java.io.File;
import java.io.FileOutputStream;
import java.io.IOException;
import java.text.Collator;
import java.util.ArrayList;
import java.util.Collection;
import java.util.Collections;
import java.util.HashMap;
import java.util.Iterator;
import java.util.List;
import java.util.Map;
import org.eclipse.core.filesystem.EFS;
import org.eclipse.core.filesystem.IFileStore;
import org.eclipse.core.runtime.CoreException;
import org.eclipse.core.runtime.IPath;
import org.eclipse.dltk.ast.declarations.ModuleDeclaration;
import org.eclipse.dltk.core.ISourceModule;
import org.eclipse.dltk.ui.DLTKUIPlugin;
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.BadLocationException;
import org.eclipse.jface.text.Position;
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.php.internal.ui.IPHPHelpContextIds;
import org.eclipse.php.internal.ui.editor.input.NonExistingPHPFileEditorInput;
import org.eclipse.php.internal.ui.preferences.PHPSyntaxColoringPage;
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.ITextRegionCollection;
import org.eclipse.wst.sse.core.internal.provisional.text.ITextRegionContainer;
import org.eclipse.wst.sse.ui.ISemanticHighlighting;
import org.eclipse.wst.sse.ui.ISemanticHighlightingExtension2;
import org.eclipse.wst.sse.ui.internal.SSEUIMessages;
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.ui.internal.XMLUIMessages;
import com.dubture.twig.core.documentModel.parser.TwigRegionContext;
import com.dubture.twig.core.documentModel.parser.regions.ITwigScriptRegion;
import com.dubture.twig.core.documentModel.parser.regions.TwigRegionTypes;
import com.dubture.twig.core.documentModel.provisional.contenttype.ContentTypeIdForTwig;
import com.dubture.twig.core.log.Logger;
import com.dubture.twig.core.parser.SourceParserUtil;
import com.dubture.twig.ui.TwigUICorePlugin;
import com.dubture.twig.ui.TwigUIMessages;
import com.dubture.twig.ui.editor.LineStyleProviderForTwig;
import com.dubture.twig.ui.editor.SemanticHighlightingManager;
import com.dubture.twig.ui.editor.highlighter.AbstractSemanticHighlighting;
/**
*
* The Twig Syntac color preference page. An adapted version of the
* {@link PHPSyntaxColoringPage}.
*
*
* @author "Robert Gruendler <r.gruendler@gmail.com>"
*
*/
@SuppressWarnings({"restriction", "rawtypes"})
public class TwigSyntaxColoringPage extends PreferencePage implements
IWorkbenchPreferencePage
{
private OverlayPreferenceStore fOverlayStore;
private ColorSelector fForegroundColorEditor;
private ColorSelector fBackgroundColorEditor;
private final LineStyleProviderForTwig fStyleProvider;
private Collection<String> fStylePreferenceKeys;
private HashMap<String, String> fStyleToDescriptionMap;
private Map<String, String> fContextToStyleMap;
private Color fDefaultForeground;
private Color fDefaultBackground;
private StructuredViewer fStylesViewer;
private Button fEnabler;
private Label fForegroundLabel;
private Label fBackgroundLabel;
private Button fBold;
private Button fItalic;
private Button fStrike;
private Button fUnderline;
private Button fClearStyle;
private StyledText fText;
private IStructuredDocument fDocument;
private static Map<String, Position[]> highlightingPositionMap;
private static Map<String, HighlightingStyle> highlightingStyleMap;
static class HighlightingStyle
{
/** Text attribute */
private TextAttribute fTextAttribute;
/** Enabled state */
private boolean fIsEnabled;
/**
* Initialize with the given text attribute.
*
* @param textAttribute
* The text attribute
* @param isEnabled
* the enabled state
*/
public HighlightingStyle(TextAttribute textAttribute, boolean isEnabled)
{
setTextAttribute(textAttribute);
setEnabled(isEnabled);
}
/**
* @return Returns the text attribute.
*/
public TextAttribute getTextAttribute()
{
return fTextAttribute;
}
/**
* @param textAttribute
* The background to set.
*/
public void setTextAttribute(TextAttribute textAttribute)
{
fTextAttribute = textAttribute;
}
/**
* @return the enabled state
*/
public boolean isEnabled()
{
return fIsEnabled;
}
/**
* @param isEnabled
* the new enabled state
*/
public void setEnabled(boolean isEnabled)
{
fIsEnabled = isEnabled;
}
}
public TwigSyntaxColoringPage()
{
fStyleProvider = new LineStyleProviderForTwig();
}
@Override
public void init(IWorkbench workbench)
{
setDescription("Syntax Colors");
fStyleToDescriptionMap = new HashMap<String, String>();
fContextToStyleMap = new HashMap<String, String>();
initStyleToDescriptionMap();
initRegionContextToStyleMap();
IPreferenceStore store = getPreferenceStore();
OverlayKey[] keys = createOverlayStoreKeys();
fOverlayStore = new OverlayPreferenceStore(store, keys);
fOverlayStore.load();
fOverlayStore.start();
fStyleProvider.setColorPreferences(fOverlayStore);
}
@Override
protected IPreferenceStore doGetPreferenceStore()
{
return PreferenceConstants.getPreferenceStore();
}
@SuppressWarnings("deprecation")
@Override
public boolean performOk()
{
getOverlayStore().propagate();
TwigUICorePlugin.getDefault().savePluginPreferences();
return true;
}
@Override
protected void performDefaults()
{
super.performDefaults();
getOverlayStore().loadDefaults();
applyStyles();
fStylesViewer.setSelection(StructuredSelection.EMPTY);
activate(null);
fText.redraw();
}
private OverlayKey[] createOverlayStoreKeys()
{
List<OverlayKey> overlayKeys = new ArrayList<OverlayKey>();
Iterator<String> i = getStylePreferenceKeys().iterator();
while (i.hasNext()) {
String key = i.next();
overlayKeys.add(new OverlayPreferenceStore.OverlayKey(OverlayPreferenceStore.STRING, key));
overlayKeys.add(new OverlayPreferenceStore.OverlayKey(OverlayPreferenceStore.BOOLEAN, PreferenceConstants.getEnabledPreferenceKey(key)));
}
// for (AbstractSemanticHighlighting rule : SemanticHighlightingManager.getInstance().getSemanticHighlightings().values()) {
//
// overlayKeys.add(new OverlayPreferenceStore.OverlayKey(OverlayPreferenceStore.STRING, rule.getEnabledPreferenceKey()));
// overlayKeys.add(new OverlayPreferenceStore.OverlayKey(OverlayPreferenceStore.STRING, rule.getColorPreferenceKey()));
// overlayKeys.add(new OverlayPreferenceStore.OverlayKey(OverlayPreferenceStore.STRING, rule.getBackgroundColorPreferenceKey()));
// overlayKeys.add(new OverlayPreferenceStore.OverlayKey(OverlayPreferenceStore.STRING, rule.getBoldPreferenceKey()));
// overlayKeys.add(new OverlayPreferenceStore.OverlayKey(OverlayPreferenceStore.STRING, rule.getItalicPreferenceKey()));
// overlayKeys.add(new OverlayPreferenceStore.OverlayKey(OverlayPreferenceStore.STRING, rule.getStrikethroughPreferenceKey()));
// overlayKeys.add(new OverlayPreferenceStore.OverlayKey(OverlayPreferenceStore.STRING, rule.getUnderlinePreferenceKey()));
// }
OverlayPreferenceStore.OverlayKey[] keys = new OverlayPreferenceStore.OverlayKey[overlayKeys.size()];
overlayKeys.toArray(keys);
return keys;
}
private Collection<String> getStylePreferenceKeys()
{
if (fStylePreferenceKeys == null) {
List<String> styles = new ArrayList<String>();
styles.add(PreferenceConstants.EDITOR_NORMAL_COLOR);
styles.add(PreferenceConstants.EDITOR_BOUNDARYMARKER_COLOR);
styles.add(PreferenceConstants.EDITOR_STMT_BOUNDARYMARKER_COLOR);
styles.add(PreferenceConstants.EDITOR_BLOCKNAME_COLOR);
styles.add(PreferenceConstants.EDITOR_STRING_COLOR);
styles.add(PreferenceConstants.EDITOR_NUMBER_COLOR);
styles.add(PreferenceConstants.EDITOR_COMMENT_COLOR);
styles.add(PreferenceConstants.EDITOR_KEYWORD_COLOR);
styles.add(PreferenceConstants.EDITOR_HASH_COLOR);
styles.add(PreferenceConstants.EDITOR_INTERPOLATION_COLOR);
// styles.addAll(SemanticHighlightingManager.getInstance()
// .getSemanticHighlightings().keySet());
fStylePreferenceKeys = styles;
}
return fStylePreferenceKeys;
}
private void initStyleToDescriptionMap()
{
fStyleToDescriptionMap.put(PreferenceConstants.EDITOR_NORMAL_COLOR,
"Normal");
fStyleToDescriptionMap.put(
PreferenceConstants.EDITOR_BOUNDARYMARKER_COLOR, "Print tags");
fStyleToDescriptionMap.put(
PreferenceConstants.EDITOR_STMT_BOUNDARYMARKER_COLOR,
"Block tags");
fStyleToDescriptionMap.put(
PreferenceConstants.EDITOR_BLOCKNAME_COLOR,
"Block name");
fStyleToDescriptionMap.put(PreferenceConstants.EDITOR_LABEL_COLOR,
"Label");
// fStyleToDescriptionMap.put(PreferenceConstants.EDITOR_VARIABLE_COLOR,
// "Variable");
// fStyleToDescriptionMap
// .put(PreferenceConstants.EDITOR_DOUBLE_QUOTED_COLOR,
// "Double quotes");
fStyleToDescriptionMap.put(PreferenceConstants.EDITOR_HASH_COLOR,
"Hash Braces");
fStyleToDescriptionMap.put(PreferenceConstants.EDITOR_KEYWORD_COLOR,
"Keyword");
fStyleToDescriptionMap.put(PreferenceConstants.EDITOR_STRING_COLOR,
"String");
fStyleToDescriptionMap.put(PreferenceConstants.EDITOR_NUMBER_COLOR,
"Number");
fStyleToDescriptionMap.put(PreferenceConstants.EDITOR_COMMENT_COLOR,
"Comment");
fStyleToDescriptionMap.put(PreferenceConstants.EDITOR_INTERPOLATION_COLOR,
"String Interpolation");
}
private void initRegionContextToStyleMap()
{
fContextToStyleMap = fStyleProvider.getTwigColorTypesMap();
}
private IPropertyChangeListener fHighlightingChangeListener = new IPropertyChangeListener()
{
public void propertyChange(PropertyChangeEvent event)
{
handleHighlightingPropertyChange(event);
}
};
@Override
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,
IPHPHelpContextIds.SYNTAX_COLORING_PREFERENCES);
Link link = new Link(pageComponent, SWT.WRAP);
String linkText = "Default colors and font can be configured on the <a href=\"org.eclipse.ui.preferencePages.GeneralTextEditor\">Text Editors</a> and on the <a href=\"org.eclipse.ui.preferencePages.ColorsAndFonts\">Colors and Fonts</a> preference pages.";
link.setText(linkText);
link.addSelectionListener(new SelectionAdapter()
{
@Override
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);
fStylesViewer = createStylesViewer(styleEditor);
GridData gridData = new GridData(SWT.FILL, SWT.FILL, true, true);
gridData.horizontalIndent = 0;
Iterator<String> 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, ""); //$NON-NLS-1$
fEnabler = createCheckbox(editingComposite,
XMLUIMessages.SyntaxColoringPage_2);
fEnabler.setEnabled(false);
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, XMLUIMessages.SyntaxColoringPage_3);
fBold.setEnabled(false);
((GridData) fBold.getLayoutData()).horizontalSpan = 2;
fItalic = createCheckbox(editControls,
XMLUIMessages.SyntaxColoringPage_4);
fItalic.setEnabled(false);
((GridData) fItalic.getLayoutData()).horizontalSpan = 2;
fStrike = createCheckbox(editControls,
XMLUIMessages.SyntaxColoringPage_5);
fStrike.setEnabled(false);
((GridData) fStrike.getLayoutData()).horizontalSpan = 2;
fUnderline = createCheckbox(editControls,
XMLUIMessages.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(18);
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(
ContentTypeIdForTwig.CONTENT_TYPE_ID_TWIG);
fDocument.set(getExampleText());
viewer.setDocument(fDocument);
top.setWeights(new int[]{2, 1});
editor.setWeights(new int[]{1, 1});
PlatformUI
.getWorkbench()
.getHelpSystem()
.setHelp(pageComponent,
IPHPHelpContextIds.SYNTAX_COLORING_PREFERENCES);
fStylesViewer.setInput(getStylePreferenceKeys());
fOverlayStore.addPropertyChangeListener(fHighlightingChangeListener);
try {
initHighlightingPositions();
initHighlightingStyles();
applyStyles();
} catch (Exception e) {
Logger.logException(e);
}
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()
{
@Override
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()
{
@Override
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()
{
@Override
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()
{
@Override
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()
{
@Override
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);
}
});
fEnabler.addSelectionListener(new SelectionAdapter()
{
public void widgetSelected(SelectionEvent e)
{
// get current (newly old) style
Object o = ((IStructuredSelection) fStylesViewer.getSelection()).getFirstElement();
String namedStyle = o.toString();
// Map<String, AbstractSemanticHighlighting> highlightingMap = SemanticHighlightingManager
// .getInstance().getSemanticHighlightings();
// if (highlightingMap.containsKey(namedStyle)) {
// AbstractSemanticHighlighting semantic = highlightingMap
// .get(namedStyle);
// boolean enablement = fEnabler.getSelection();
// semantic.getStyle().setEnabledByDefault(enablement);
// switchEnablement(enablement);
// getOverlayStore().setValue(
// semantic.getEnabledPreferenceKey(), enablement);
//
// }
if (getStylePreferenceKeys().contains(namedStyle)) {
boolean enablement = fEnabler.getSelection();
switchEnablement(enablement);
getOverlayStore().setValue(PreferenceConstants.getEnabledPreferenceKey(namedStyle),enablement);
}
}
});
switchEnablement(false);
return pageComponent;
}
private void initHighlightingStyles()
{
highlightingStyleMap = new HashMap<String, TwigSyntaxColoringPage.HighlightingStyle>();
}
protected void initHighlightingPositions()
{
highlightingPositionMap = new HashMap<String, Position[]>();
IPath stateLocation = TwigUICorePlugin.getDefault().getStateLocation();
IPath path = stateLocation.append("/_" + "TwigSyntax"); //$NON-NLS-1$
IFileStore fileStore = EFS.getLocalFileSystem().getStore(path);
NonExistingPHPFileEditorInput input = new NonExistingPHPFileEditorInput(
fileStore, "TwigSyntax");
File realFile = ((NonExistingPHPFileEditorInput) input).getPath(input)
.toFile();
try {
FileOutputStream fos = new FileOutputStream(realFile);
fos.write(fDocument.get().getBytes());
fos.close();
DLTKUIPlugin.getDocumentProvider().connect(input);
final ISourceModule sourceModule = DLTKUIPlugin
.getDocumentProvider().getWorkingCopy(input);
final ModuleDeclaration module = SourceParserUtil.parseSourceModule(sourceModule.getSource());
if (sourceModule != null) {
List<AbstractSemanticHighlighting> highlightings = new ArrayList<AbstractSemanticHighlighting>();
Collections.sort(highlightings);
for (Iterator iterator = highlightings.iterator(); iterator
.hasNext();) {
AbstractSemanticHighlighting abstractSemanticHighlighting = (AbstractSemanticHighlighting) iterator
.next();
Position[] positions = abstractSemanticHighlighting
.consumes(module);
if (positions != null && positions.length > 0) {
highlightingPositionMap
.put(abstractSemanticHighlighting
.getPreferenceKey(), positions);
}
}
}
DLTKUIPlugin.getDocumentProvider().disconnect(input);
} catch (CoreException e1) {
e1.printStackTrace();
} catch (IOException e) {
e.printStackTrace();
} catch (Exception e) {
e.printStackTrace();
}
realFile.delete();
}
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;
}
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;
}
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()
{
@Override
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;
}
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;
}
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;
}
}
};
}
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);
}
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);
if (highlightingPositionMap == null) {
initHighlightingPositions();
}
for (Iterator iterator = highlightingPositionMap.keySet().iterator(); iterator
.hasNext();) {
String type = (String) iterator.next();
Position[] positions = highlightingPositionMap.get(type);
for (int i = 0; i < positions.length; i++) {
if (offset >= positions[i].offset
&& offset < positions[i].offset + positions[i].length) {
return type;
}
}
}
IStructuredDocumentRegion documentRegion = fDocument
.getFirstStructuredDocumentRegion();
while (documentRegion != null && !documentRegion.containsOffset(offset)) {
documentRegion = documentRegion.getNext();
}
if (documentRegion != null) {
String regionContext;
ITextRegion interest = documentRegion
.getRegionAtCharacterOffset(offset);
ITextRegionCollection container = documentRegion;
if (interest instanceof ITextRegionContainer) {
container = (ITextRegionContainer) interest;
interest = container.getRegionAtCharacterOffset(offset);
}
if (interest.getType() == TwigRegionContext.TWIG_CONTENT) {
ITwigScriptRegion phpScript = (ITwigScriptRegion) interest;
try {
regionContext = phpScript
.getTwigTokenType(offset
- container.getStartOffset()
- phpScript.getStart());
} catch (BadLocationException e) {
assert false;
return null;
}
} else if (interest.getType() == TwigRegionContext.TWIG_STMT_OPEN) {
regionContext = TwigRegionTypes.TWIG_OPEN;
} else if (interest.getType() == TwigRegionContext.TWIG_STMT_CLOSE) {
regionContext = TwigRegionTypes.TWIG_CLOSETAG;
} else {
regionContext = interest.getType();
}
// find the named style (internal/selectable name) for that
// context
String namedStyle = fContextToStyleMap.get(regionContext);
return namedStyle;
}
return null;
}
private void activate(String namedStyle)
{
Color foreground = fDefaultForeground;
Color background = fDefaultBackground;
if (namedStyle == null) {
fEnabler.setEnabled(false);
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);
boolean enabled = true;
enabled = getOverlayStore().getBoolean(
PreferenceConstants.getEnabledPreferenceKey(namedStyle));
fEnabler.setSelection(enabled);
fEnabler.setEnabled(true);
fClearStyle.setEnabled(true);
fBold.setEnabled(enabled);
fItalic.setEnabled(enabled);
fStrike.setEnabled(enabled);
fUnderline.setEnabled(enabled);
fForegroundLabel.setEnabled(enabled);
fBackgroundLabel.setEnabled(enabled);
fForegroundColorEditor.setEnabled(enabled);
fBackgroundColorEditor.setEnabled(enabled);
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());
}
private OverlayPreferenceStore getOverlayStore()
{
return fOverlayStore;
}
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 void setAccessible(Control control, String name)
{
if (control == null)
return;
final String n = name;
control.getAccessible().addAccessibleListener(new AccessibleAdapter()
{
@Override
public void getName(AccessibleEvent e)
{
if (e.childID == ACC.CHILDID_SELF)
e.result = n;
}
});
}
private void switchEnablement(boolean b)
{
fBold.setEnabled(b);
fItalic.setEnabled(b);
fUnderline.setEnabled(b);
fStrike.setEnabled(b);
fBackgroundColorEditor.setEnabled(b);
fForegroundColorEditor.setEnabled(b);
}
private String getExampleText()
{
return TwigUIMessages.ColorPage_CodeExample_0;
}
private void handleHighlightingPropertyChange(PropertyChangeEvent event)
{
String property = event.getProperty();
if (property == null)
return;
for (Iterator iterator = SemanticHighlightingManager.getInstance()
.getSemanticHighlightings().keySet().iterator(); iterator
.hasNext();) {
String type = (String) iterator.next();
ISemanticHighlighting highlighting = SemanticHighlightingManager
.getInstance().getSemanticHighlightings().get(type);
HighlightingStyle style = highlightingStyleMap.get(type);
if (property.equals(highlighting.getBoldPreferenceKey())) {
adaptToTextStyleChange(style, event, SWT.BOLD);
} else if (property.equals(highlighting.getColorPreferenceKey())) {
adaptToTextForegroundChange(style, event);
} else if ((highlighting instanceof ISemanticHighlightingExtension2)
&& property
.equals(((ISemanticHighlightingExtension2) highlighting)
.getBackgroundColorPreferenceKey())) {
adaptToTextBackgroundChange(style, event);
} else if (property.equals(highlighting.getEnabledPreferenceKey())) {
adaptToEnablementChange(style, event);
} else if (property.equals(highlighting.getItalicPreferenceKey())) {
adaptToTextStyleChange(style, event, SWT.ITALIC);
} else if (property.equals(highlighting
.getStrikethroughPreferenceKey())) {
adaptToTextStyleChange(style, event,
TextAttribute.STRIKETHROUGH);
} else if (property
.equals(highlighting.getUnderlinePreferenceKey())) {
adaptToTextStyleChange(style, event, TextAttribute.UNDERLINE);
}
}
}
void applyStyles()
{
if (fText == null || fText.isDisposed())
return;
fStyleProvider.loadColors();
IStructuredDocumentRegion documentRegion = fDocument
.getFirstStructuredDocumentRegion();
while (documentRegion != null) {
final Collection<StyleRange> holdResults = new ArrayList<StyleRange>();
fStyleProvider.prepareTextRegions(documentRegion, 0,
documentRegion.getEnd(), holdResults);
for (Iterator<StyleRange> iter = holdResults.iterator(); iter
.hasNext();) {
StyleRange element = iter.next();
fText.setStyleRange(element);
}
documentRegion = documentRegion.getNext();
}
}
private void adaptToEnablementChange(HighlightingStyle highlighting,
PropertyChangeEvent event) {
Object value = event.getNewValue();
boolean eventValue;
if (value instanceof Boolean)
eventValue = ((Boolean) value).booleanValue();
else if (IPreferenceStore.TRUE.equals(value))
eventValue = true;
else
eventValue = false;
highlighting.setEnabled(eventValue);
}
private void adaptToTextForegroundChange(HighlightingStyle highlighting,
PropertyChangeEvent event) {
RGB rgb = null;
Object value = event.getNewValue();
if (value instanceof RGB)
rgb = (RGB) value;
else if (value instanceof String)
rgb = ColorHelper.toRGB((String) value);
if (rgb != null) {
Color color = EditorUtility.getColor(rgb);
TextAttribute oldAttr = highlighting.getTextAttribute();
highlighting.setTextAttribute(new TextAttribute(color, oldAttr
.getBackground(), oldAttr.getStyle()));
}
}
private void adaptToTextBackgroundChange(HighlightingStyle highlighting,
PropertyChangeEvent event) {
RGB rgb = null;
Object value = event.getNewValue();
if (value instanceof RGB)
rgb = (RGB) value;
else if (value instanceof String)
rgb = ColorHelper.toRGB((String) value);
if (rgb != null) {
Color color = EditorUtility.getColor(rgb);
TextAttribute oldAttr = highlighting.getTextAttribute();
highlighting.setTextAttribute(new TextAttribute(oldAttr
.getForeground(), color, oldAttr.getStyle()));
}
}
private void adaptToTextStyleChange(HighlightingStyle highlighting,
PropertyChangeEvent event, int styleAttribute) {
boolean eventValue = false;
Object value = event.getNewValue();
if (value instanceof Boolean)
eventValue = ((Boolean) value).booleanValue();
else if (IPreferenceStore.TRUE.equals(value))
eventValue = true;
TextAttribute oldAttr = highlighting.getTextAttribute();
boolean activeValue = (oldAttr.getStyle() & styleAttribute) == styleAttribute;
if (activeValue != eventValue)
highlighting.setTextAttribute(new TextAttribute(oldAttr
.getForeground(), oldAttr.getBackground(),
eventValue ? oldAttr.getStyle() | styleAttribute : oldAttr
.getStyle() & ~styleAttribute));
}
}