/*******************************************************************************
* Copyright (c) 2000, 2016 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
* Anton Leherbauer (Wind River Systems
* Andrew Ferguson (Symbian)
*******************************************************************************/
package org.eclipse.cdt.internal.ui.preferences;
import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.util.ArrayList;
import java.util.List;
import org.eclipse.jface.dialogs.Dialog;
import org.eclipse.jface.layout.PixelConverter;
import org.eclipse.jface.preference.ColorSelector;
import org.eclipse.jface.preference.IPreferenceStore;
import org.eclipse.jface.preference.PreferenceConverter;
import org.eclipse.jface.resource.JFaceResources;
import org.eclipse.jface.text.BadLocationException;
import org.eclipse.jface.text.Document;
import org.eclipse.jface.text.IDocument;
import org.eclipse.jface.viewers.IColorProvider;
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.SelectionChangedEvent;
import org.eclipse.jface.viewers.StructuredSelection;
import org.eclipse.jface.viewers.StructuredViewer;
import org.eclipse.jface.viewers.TreeViewer;
import org.eclipse.jface.viewers.Viewer;
import org.eclipse.jface.viewers.ViewerSorter;
import org.eclipse.swt.SWT;
import org.eclipse.swt.events.SelectionAdapter;
import org.eclipse.swt.events.SelectionEvent;
import org.eclipse.swt.events.SelectionListener;
import org.eclipse.swt.graphics.Color;
import org.eclipse.swt.graphics.Font;
import org.eclipse.swt.graphics.FontMetrics;
import org.eclipse.swt.graphics.GC;
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.Display;
import org.eclipse.swt.widgets.Label;
import org.eclipse.swt.widgets.Link;
import org.eclipse.swt.widgets.ScrollBar;
import org.eclipse.swt.widgets.Scrollable;
import org.eclipse.ui.dialogs.PreferencesUtil;
import org.eclipse.ui.editors.text.EditorsUI;
import org.eclipse.ui.texteditor.ChainedPreferenceStore;
import org.eclipse.cdt.ui.CUIPlugin;
import org.eclipse.cdt.ui.PreferenceConstants;
import org.eclipse.cdt.ui.text.ICPartitions;
import org.eclipse.cdt.ui.text.IColorManager;
import org.eclipse.cdt.internal.ui.editor.CSourceViewer;
import org.eclipse.cdt.internal.ui.editor.SemanticHighlighting;
import org.eclipse.cdt.internal.ui.editor.SemanticHighlightingManager;
import org.eclipse.cdt.internal.ui.editor.SemanticHighlightingManager.HighlightedRange;
import org.eclipse.cdt.internal.ui.editor.SemanticHighlightingWithOwnPreference;
import org.eclipse.cdt.internal.ui.editor.SemanticHighlightings;
import org.eclipse.cdt.internal.ui.text.SimpleCSourceViewerConfiguration;
import org.eclipse.cdt.internal.ui.text.util.CColorManager;
/**
* Configures C/C++ Editor code coloring preferences.
*
* @since 4.0
*/
class CEditorColoringConfigurationBlock extends AbstractConfigurationBlock {
/**
* Item in the highlighting color list.
*/
private static class HighlightingColorListItem {
/** Display name */
private String fDisplayName;
/** Color preference key */
private String fColorKey;
/** Bold preference key */
private String fBoldKey;
/** Italic preference key */
private String fItalicKey;
/** Strikethrough preference key */
private String fStrikethroughKey;
/** Underline preference key */
private String fUnderlineKey;
/**
* Initialize the item with the given values.
* @param displayName the display name
* @param colorKey the color preference key
* @param boldKey the bold preference key
* @param italicKey the italic preference key
* @param strikethroughKey the strikethrough preference key
* @param underlineKey the underline preference key
*/
public HighlightingColorListItem(String displayName, String colorKey, String boldKey, String italicKey, String strikethroughKey, String underlineKey) {
fDisplayName= displayName;
fColorKey= colorKey;
fBoldKey= boldKey;
fItalicKey= italicKey;
fStrikethroughKey= strikethroughKey;
fUnderlineKey= underlineKey;
}
/**
* @return the bold preference key
*/
public String getBoldKey() {
return fBoldKey;
}
/**
* @return the bold preference key
*/
public String getItalicKey() {
return fItalicKey;
}
/**
* @return the strikethrough preference key
*/
public String getStrikethroughKey() {
return fStrikethroughKey;
}
/**
* @return the underline preference key
*/
public String getUnderlineKey() {
return fUnderlineKey;
}
/**
* @return the color preference key
*/
public String getColorKey() {
return fColorKey;
}
/**
* @return the display name
*/
public String getDisplayName() {
return fDisplayName;
}
}
private static class SemanticHighlightingColorListItem extends HighlightingColorListItem {
/** Enablement preference key */
private final String fEnableKey;
/**
* Initialize the item with the given values.
* @param displayName the display name
* @param colorKey the color preference key
* @param boldKey the bold preference key
* @param italicKey the italic preference key
* @param strikethroughKey the strikethroughKey preference key
* @param underlineKey the underlineKey preference key
* @param enableKey the enable preference key
*/
public SemanticHighlightingColorListItem(String displayName, String colorKey, String boldKey,
String italicKey, String strikethroughKey, String underlineKey, String enableKey) {
super(displayName, colorKey, boldKey, italicKey, strikethroughKey, underlineKey);
fEnableKey= enableKey;
}
/**
* @return the enablement preference key
*/
public String getEnableKey() {
return fEnableKey;
}
}
/**
* Color list label provider.
*/
private class ColorListLabelProvider extends LabelProvider implements IColorProvider {
@Override
public String getText(Object element) {
if (element instanceof String)
return (String) element;
return ((HighlightingColorListItem)element).getDisplayName();
}
@Override
public Color getBackground(Object element) {
return null;
}
@Override
public Color getForeground(Object element) {
if (element instanceof SemanticHighlightingColorListItem) {
if (!getPreferenceStore().getBoolean(PreferenceConstants.EDITOR_SEMANTIC_HIGHLIGHTING_ENABLED)) {
return Display.getDefault().getSystemColor(SWT.COLOR_GRAY);
}
}
return null;
}
}
/**
* Color list content provider.
*/
private class ColorListContentProvider implements ITreeContentProvider {
@Override
public Object[] getElements(Object inputElement) {
return new String[] {fCodeCategory, fAssemblyCategory, fCommentsCategory, fPreprocessorCategory, fDoxygenCategory};
}
@Override
public void dispose() {
}
@Override
public void inputChanged(Viewer viewer, Object oldInput, Object newInput) {
}
@Override
public Object[] getChildren(Object parentElement) {
if (parentElement instanceof String) {
String entry= (String) parentElement;
if (fCodeCategory.equals(entry))
return fListModel.subList(11, fListModel.size()).toArray();
if (fAssemblyCategory.equals(entry))
return fListModel.subList(6, 8).toArray();
if (fCommentsCategory.equals(entry))
return fListModel.subList(0, 3).toArray();
if (fPreprocessorCategory.equals(entry))
return fListModel.subList(3, 6).toArray();
if (fDoxygenCategory.equals(entry))
return fListModel.subList(8, 11).toArray();
}
return new Object[0];
}
@Override
public Object getParent(Object element) {
if (element instanceof String)
return null;
int index= fListModel.indexOf(element);
if (index >= 11)
return fCodeCategory;
if (index >= 8)
return fDoxygenCategory;
if (index >= 6)
return fAssemblyCategory;
if (index >= 3)
return fPreprocessorCategory;
return fCommentsCategory;
}
@Override
public boolean hasChildren(Object element) {
return element instanceof String;
}
}
/**
* Preference key suffix for bold preferences.
*/
private static final String BOLD= PreferenceConstants.EDITOR_BOLD_SUFFIX;
/**
* Preference key suffix for italic preferences.
*/
private static final String ITALIC= PreferenceConstants.EDITOR_ITALIC_SUFFIX;
/**
* Preference key suffix for strikethrough preferences.
*/
private static final String STRIKETHROUGH= PreferenceConstants.EDITOR_STRIKETHROUGH_SUFFIX;
/**
* Preference key suffix for underline preferences.
*/
private static final String UNDERLINE= PreferenceConstants.EDITOR_UNDERLINE_SUFFIX;
/**
* The keys of the overlay store.
*/
private final String[][] fSyntaxColorListModel= new String[][] {
{ PreferencesMessages.CEditorColoringConfigurationBlock_MultiLine, PreferenceConstants.EDITOR_MULTI_LINE_COMMENT_COLOR },
{ PreferencesMessages.CEditorColoringConfigurationBlock_singleLine, PreferenceConstants.EDITOR_SINGLE_LINE_COMMENT_COLOR },
{ PreferencesMessages.CEditorColoringConfigurationBlock_cCommentTaskTags, PreferenceConstants.EDITOR_TASK_TAG_COLOR },
{ PreferencesMessages.CEditorColoringConfigurationBlock_ppDirectives, PreferenceConstants.EDITOR_PP_DIRECTIVE_COLOR },
{ PreferencesMessages.CEditorColoringConfigurationBlock_ppOthers, PreferenceConstants.EDITOR_PP_DEFAULT_COLOR },
{ PreferencesMessages.CEditorColoringConfigurationBlock_ppHeaders, PreferenceConstants.EDITOR_PP_HEADER_COLOR },
{ PreferencesMessages.CEditorColoringConfigurationBlock_asmLabels, PreferenceConstants.EDITOR_ASM_LABEL_COLOR },
{ PreferencesMessages.CEditorColoringConfigurationBlock_asmDirectives, PreferenceConstants.EDITOR_ASM_DIRECTIVE_COLOR },
{ PreferencesMessages.CEditorColoringConfigurationBlock_DoxygenTagRecognized, PreferenceConstants.DOXYGEN_TAG_COLOR },
{ PreferencesMessages.CEditorColoringConfigurationBlock_DoxygenSingleLineComment, PreferenceConstants.DOXYGEN_SINGLE_LINE_COLOR },
{ PreferencesMessages.CEditorColoringConfigurationBlock_DoxygenMultiLineComment, PreferenceConstants.DOXYGEN_MULTI_LINE_COLOR },
{ PreferencesMessages.CEditorColoringConfigurationBlock_keywords, PreferenceConstants.EDITOR_C_KEYWORD_COLOR },
// { PreferencesMessages.CEditorColoringConfigurationBlock_returnKeyword, PreferenceConstants.EDITOR_C_KEYWORD_RETURN_COLOR },
{ PreferencesMessages.CEditorColoringConfigurationBlock_builtInTypes, PreferenceConstants.EDITOR_C_BUILTIN_TYPE_COLOR },
{ PreferencesMessages.CEditorColoringConfigurationBlock_operators, PreferenceConstants.EDITOR_C_OPERATOR_COLOR },
{ PreferencesMessages.CEditorColoringConfigurationBlock_strings, PreferenceConstants.EDITOR_C_STRING_COLOR },
{ PreferencesMessages.CEditorColoringConfigurationBlock_braces, PreferenceConstants.EDITOR_C_BRACES_COLOR },
{ PreferencesMessages.CEditorColoringConfigurationBlock_numbers, PreferenceConstants.EDITOR_C_NUMBER_COLOR },
{ PreferencesMessages.CEditorColoringConfigurationBlock_others, PreferenceConstants.EDITOR_C_DEFAULT_COLOR },
};
private final String fCodeCategory= PreferencesMessages.CEditorColoringConfigurationBlock_coloring_category_code;
private final String fCommentsCategory= PreferencesMessages.CEditorColoringConfigurationBlock_coloring_category_comments;
private final String fPreprocessorCategory= PreferencesMessages.CEditorColoringConfigurationBlock_coloring_category_preprocessor;
private final String fAssemblyCategory= PreferencesMessages.CEditorColoringConfigurationBlock_coloring_category_assembly;
private final String fDoxygenCategory= PreferencesMessages.CEditorColoringConfigurationBlock_coloring_category_doxygen;
private ColorSelector fSyntaxForegroundColorEditor;
private Label fColorEditorLabel;
private Button fEnableSemanticHighlightingCheckbox;
private Button fBoldCheckBox;
private Button fEnableCheckbox;
/**
* Check box for italic preference.
*/
private Button fItalicCheckBox;
/**
* Check box for strikethrough preference.
*/
private Button fStrikethroughCheckBox;
/**
* Check box for underline preference.
*/
private Button fUnderlineCheckBox;
/**
* Highlighting color list
*/
private final java.util.List<HighlightingColorListItem> fListModel= new ArrayList<HighlightingColorListItem>();
/**
* Highlighting color list viewer
*/
private StructuredViewer fListViewer;
/**
* Semantic highlighting manager
*/
private SemanticHighlightingManager fSemanticHighlightingManager;
/**
* The previewer.
*/
private CSourceViewer fPreviewViewer;
/**
* The color manager.
*/
private IColorManager fColorManager;
/**
* The font metrics.
*/
private FontMetrics fFontMetrics;
public CEditorColoringConfigurationBlock(OverlayPreferenceStore store) {
super(store);
fColorManager= new CColorManager(false);
for (String[] element : fSyntaxColorListModel)
fListModel.add(new HighlightingColorListItem (
element[0],
element[1],
element[1] + BOLD,
element[1] + ITALIC,
element[1] + STRIKETHROUGH,
element[1] + UNDERLINE));
SemanticHighlighting[] semanticHighlightings= SemanticHighlightings.getSemanticHighlightings();
for (SemanticHighlighting semanticHighlighting : semanticHighlightings) {
if (semanticHighlighting instanceof SemanticHighlightingWithOwnPreference) {
SemanticHighlightingWithOwnPreference highlighting = (SemanticHighlightingWithOwnPreference) semanticHighlighting;
fListModel.add(
new SemanticHighlightingColorListItem(
highlighting.getDisplayName(),
SemanticHighlightings.getColorPreferenceKey(highlighting),
SemanticHighlightings.getBoldPreferenceKey(highlighting),
SemanticHighlightings.getItalicPreferenceKey(highlighting),
SemanticHighlightings.getStrikethroughPreferenceKey(highlighting),
SemanticHighlightings.getUnderlinePreferenceKey(highlighting),
SemanticHighlightings.getEnabledPreferenceKey(highlighting)
));
}
}
store.addKeys(createOverlayStoreKeys());
}
private OverlayPreferenceStore.OverlayKey[] createOverlayStoreKeys() {
List<OverlayPreferenceStore.OverlayKey> overlayKeys= new ArrayList<OverlayPreferenceStore.OverlayKey>();
overlayKeys.add(new OverlayPreferenceStore.OverlayKey(OverlayPreferenceStore.BOOLEAN, PreferenceConstants.EDITOR_SEMANTIC_HIGHLIGHTING_ENABLED));
for (int i= 0, n= fListModel.size(); i < n; i++) {
HighlightingColorListItem item= fListModel.get(i);
overlayKeys.add(new OverlayPreferenceStore.OverlayKey(OverlayPreferenceStore.STRING, item.getColorKey()));
overlayKeys.add(new OverlayPreferenceStore.OverlayKey(OverlayPreferenceStore.BOOLEAN, item.getBoldKey()));
overlayKeys.add(new OverlayPreferenceStore.OverlayKey(OverlayPreferenceStore.BOOLEAN, item.getItalicKey()));
overlayKeys.add(new OverlayPreferenceStore.OverlayKey(OverlayPreferenceStore.BOOLEAN, item.getStrikethroughKey()));
overlayKeys.add(new OverlayPreferenceStore.OverlayKey(OverlayPreferenceStore.BOOLEAN, item.getUnderlineKey()));
if (item instanceof SemanticHighlightingColorListItem)
overlayKeys.add(new OverlayPreferenceStore.OverlayKey(OverlayPreferenceStore.BOOLEAN, ((SemanticHighlightingColorListItem) item).getEnableKey()));
}
OverlayPreferenceStore.OverlayKey[] keys= new OverlayPreferenceStore.OverlayKey[overlayKeys.size()];
overlayKeys.toArray(keys);
return keys;
}
/**
* Creates page for hover preferences.
*
* @param parent the parent composite
* @return the control for the preference page
*/
@Override
public Control createControl(Composite parent) {
initializeDialogUnits(parent);
return createSyntaxPage(parent);
}
/**
* Returns the number of pixels corresponding to the width of the given
* number of characters.
* <p>
* This method may only be called after <code>initializeDialogUnits</code>
* has been called.
* </p>
* <p>
* Clients may call this framework method, but should not override it.
* </p>
*
* @param chars
* the number of characters
* @return the number of pixels
*/
private int convertWidthInCharsToPixels(int chars) {
// test for failure to initialize for backward compatibility
if (fFontMetrics == null)
return 0;
return Dialog.convertWidthInCharsToPixels(fFontMetrics, chars);
}
/**
* Returns the number of pixels corresponding to the height of the given
* number of characters.
* <p>
* This method may only be called after <code>initializeDialogUnits</code>
* has been called.
* </p>
* <p>
* Clients may call this framework method, but should not override it.
* </p>
*
* @param chars
* the number of characters
* @return the number of pixels
*/
private int convertHeightInCharsToPixels(int chars) {
// test for failure to initialize for backward compatibility
if (fFontMetrics == null)
return 0;
return Dialog.convertHeightInCharsToPixels(fFontMetrics, chars);
}
@Override
public void initialize() {
super.initialize();
fListViewer.setInput(fListModel);
fListViewer.setSelection(new StructuredSelection(fCodeCategory));
}
@Override
public void performDefaults() {
super.performDefaults();
fListViewer.refresh();
handleSyntaxColorListSelection();
uninstallSemanticHighlighting();
installSemanticHighlighting();
fPreviewViewer.invalidateTextPresentation();
}
/*
* @see org.eclipse.cdt.internal.ui.preferences.IPreferenceConfigurationBlock#dispose()
*/
@Override
public void dispose() {
uninstallSemanticHighlighting();
fColorManager.dispose();
super.dispose();
}
private void handleSyntaxColorListSelection() {
HighlightingColorListItem item= getHighlightingColorListItem();
if (item == null) {
fEnableCheckbox.setEnabled(false);
fSyntaxForegroundColorEditor.getButton().setEnabled(false);
fColorEditorLabel.setEnabled(false);
fBoldCheckBox.setEnabled(false);
fItalicCheckBox.setEnabled(false);
fStrikethroughCheckBox.setEnabled(false);
fUnderlineCheckBox.setEnabled(false);
return;
}
RGB rgb= PreferenceConverter.getColor(getPreferenceStore(), item.getColorKey());
fSyntaxForegroundColorEditor.setColorValue(rgb);
fBoldCheckBox.setSelection(getPreferenceStore().getBoolean(item.getBoldKey()));
fItalicCheckBox.setSelection(getPreferenceStore().getBoolean(item.getItalicKey()));
fStrikethroughCheckBox.setSelection(getPreferenceStore().getBoolean(item.getStrikethroughKey()));
fUnderlineCheckBox.setSelection(getPreferenceStore().getBoolean(item.getUnderlineKey()));
if (item instanceof SemanticHighlightingColorListItem) {
boolean semanticHighlightingEnabled= getPreferenceStore().getBoolean(PreferenceConstants.EDITOR_SEMANTIC_HIGHLIGHTING_ENABLED);
fEnableCheckbox.setEnabled(semanticHighlightingEnabled);
boolean enable= semanticHighlightingEnabled && getPreferenceStore().getBoolean(((SemanticHighlightingColorListItem) item).getEnableKey());
fEnableCheckbox.setSelection(enable);
fSyntaxForegroundColorEditor.getButton().setEnabled(enable);
fColorEditorLabel.setEnabled(enable);
fBoldCheckBox.setEnabled(enable);
fItalicCheckBox.setEnabled(enable);
fStrikethroughCheckBox.setEnabled(enable);
fUnderlineCheckBox.setEnabled(enable);
} else {
fSyntaxForegroundColorEditor.getButton().setEnabled(true);
fColorEditorLabel.setEnabled(true);
fBoldCheckBox.setEnabled(true);
fItalicCheckBox.setEnabled(true);
fStrikethroughCheckBox.setEnabled(true);
fUnderlineCheckBox.setEnabled(true);
fEnableCheckbox.setEnabled(false);
fEnableCheckbox.setSelection(true);
}
}
private Control createSyntaxPage(final Composite parent) {
Composite colorComposite= new Composite(parent, SWT.NONE);
GridLayout layout= new GridLayout();
layout.marginHeight= 0;
layout.marginWidth= 0;
colorComposite.setLayout(layout);
Link link= new Link(colorComposite, SWT.NONE);
link.setText(PreferencesMessages.CEditorColoringConfigurationBlock_link);
link.addSelectionListener(new SelectionAdapter() {
@Override
public void widgetSelected(SelectionEvent e) {
PreferencesUtil.createPreferenceDialogOn(parent.getShell(), e.text, null, null);
}
});
// TODO replace by link-specific tooltips when
// bug https://bugs.eclipse.org/bugs/show_bug.cgi?id=88866 gets fixed
// link.setToolTipText(PreferencesMessages.CEditorColoringConfigurationBlock_link_tooltip);
GridData gridData= new GridData(SWT.FILL, SWT.BEGINNING, true, false);
gridData.widthHint= 150; // only expand further if anyone else requires it
gridData.horizontalSpan= 2;
link.setLayoutData(gridData);
addFiller(colorComposite, 1);
fEnableSemanticHighlightingCheckbox= addCheckBox(colorComposite,
PreferencesMessages.CEditorColoringConfigurationBlock_enable_semantic_highlighting,
PreferenceConstants.EDITOR_SEMANTIC_HIGHLIGHTING_ENABLED, 0);
Label label;
label= new Label(colorComposite, SWT.LEFT);
label.setText(PreferencesMessages.CEditorColoringConfigurationBlock_coloring_element);
label.setLayoutData(new GridData(GridData.FILL_HORIZONTAL));
Composite editorComposite= new Composite(colorComposite, SWT.NONE);
layout= new GridLayout();
layout.numColumns= 2;
layout.marginHeight= 0;
layout.marginWidth= 0;
editorComposite.setLayout(layout);
GridData gd= new GridData(SWT.FILL, SWT.BEGINNING, true, false);
editorComposite.setLayoutData(gd);
fListViewer= new TreeViewer(editorComposite, SWT.SINGLE | SWT.BORDER);
fListViewer.setLabelProvider(new ColorListLabelProvider());
fListViewer.setContentProvider(new ColorListContentProvider());
fListViewer.setSorter(new ViewerSorter() {
@Override
public int category(Object element) {
// don't sort the top level categories
if (fCodeCategory.equals(element))
return 0;
if (fAssemblyCategory.equals(element))
return 1;
if (fCommentsCategory.equals(element))
return 2;
if (fPreprocessorCategory.equals(element))
return 3;
if (fDoxygenCategory.equals(element))
return 4;
return 0;
}
});
gd= new GridData(SWT.BEGINNING, SWT.BEGINNING, false, true);
gd.heightHint= convertHeightInCharsToPixels(9);
int maxWidth= 0;
for (HighlightingColorListItem item : fListModel) {
maxWidth= Math.max(maxWidth, convertWidthInCharsToPixels(item.getDisplayName().length()));
}
ScrollBar vBar= ((Scrollable) fListViewer.getControl()).getVerticalBar();
if (vBar != null)
maxWidth += vBar.getSize().x * 3; // scrollbars and tree indentation guess
gd.widthHint= maxWidth;
fListViewer.getControl().setLayoutData(gd);
Composite stylesComposite= new Composite(editorComposite, SWT.NONE);
layout= new GridLayout();
layout.marginHeight= 0;
layout.marginWidth= 0;
layout.numColumns= 2;
stylesComposite.setLayout(layout);
stylesComposite.setLayoutData(new GridData(GridData.FILL_BOTH));
fEnableCheckbox= new Button(stylesComposite, SWT.CHECK);
fEnableCheckbox.setText(PreferencesMessages.CEditorColoringConfigurationBlock_enable);
gd= new GridData(GridData.FILL_HORIZONTAL);
gd.horizontalAlignment= GridData.BEGINNING;
gd.horizontalSpan= 2;
fEnableCheckbox.setLayoutData(gd);
fColorEditorLabel= new Label(stylesComposite, SWT.LEFT);
fColorEditorLabel.setText(PreferencesMessages.CEditorColoringConfigurationBlock_color);
gd= new GridData(GridData.HORIZONTAL_ALIGN_BEGINNING);
gd.horizontalIndent= 20;
fColorEditorLabel.setLayoutData(gd);
fSyntaxForegroundColorEditor= new ColorSelector(stylesComposite);
Button foregroundColorButton= fSyntaxForegroundColorEditor.getButton();
gd= new GridData(GridData.HORIZONTAL_ALIGN_BEGINNING);
foregroundColorButton.setLayoutData(gd);
fBoldCheckBox= new Button(stylesComposite, SWT.CHECK);
fBoldCheckBox.setText(PreferencesMessages.CEditorColoringConfigurationBlock_bold);
gd= new GridData(GridData.HORIZONTAL_ALIGN_BEGINNING);
gd.horizontalIndent= 20;
gd.horizontalSpan= 2;
fBoldCheckBox.setLayoutData(gd);
fItalicCheckBox= new Button(stylesComposite, SWT.CHECK);
fItalicCheckBox.setText(PreferencesMessages.CEditorColoringConfigurationBlock_italic);
gd= new GridData(GridData.HORIZONTAL_ALIGN_BEGINNING);
gd.horizontalIndent= 20;
gd.horizontalSpan= 2;
fItalicCheckBox.setLayoutData(gd);
fStrikethroughCheckBox= new Button(stylesComposite, SWT.CHECK);
fStrikethroughCheckBox.setText(PreferencesMessages.CEditorColoringConfigurationBlock_strikethrough);
gd= new GridData(GridData.HORIZONTAL_ALIGN_BEGINNING);
gd.horizontalIndent= 20;
gd.horizontalSpan= 2;
fStrikethroughCheckBox.setLayoutData(gd);
fUnderlineCheckBox= new Button(stylesComposite, SWT.CHECK);
fUnderlineCheckBox.setText(PreferencesMessages.CEditorColoringConfigurationBlock_underline);
gd= new GridData(GridData.HORIZONTAL_ALIGN_BEGINNING);
gd.horizontalIndent= 20;
gd.horizontalSpan= 2;
fUnderlineCheckBox.setLayoutData(gd);
label= new Label(colorComposite, SWT.LEFT);
label.setText(PreferencesMessages.CEditorColoringConfigurationBlock_preview);
label.setLayoutData(new GridData(GridData.FILL_HORIZONTAL));
Control previewer= createPreviewer(colorComposite);
gd= new GridData(GridData.FILL_BOTH);
gd.widthHint= convertWidthInCharsToPixels(20);
gd.heightHint= convertHeightInCharsToPixels(5);
previewer.setLayoutData(gd);
fListViewer.addSelectionChangedListener(new ISelectionChangedListener() {
@Override
public void selectionChanged(SelectionChangedEvent event) {
handleSyntaxColorListSelection();
}
});
foregroundColorButton.addSelectionListener(new SelectionListener() {
@Override
public void widgetDefaultSelected(SelectionEvent e) {
// do nothing
}
@Override
public void widgetSelected(SelectionEvent e) {
HighlightingColorListItem item= getHighlightingColorListItem();
PreferenceConverter.setValue(getPreferenceStore(), item.getColorKey(), fSyntaxForegroundColorEditor.getColorValue());
}
});
fBoldCheckBox.addSelectionListener(new SelectionListener() {
@Override
public void widgetDefaultSelected(SelectionEvent e) {
// do nothing
}
@Override
public void widgetSelected(SelectionEvent e) {
HighlightingColorListItem item= getHighlightingColorListItem();
getPreferenceStore().setValue(item.getBoldKey(), fBoldCheckBox.getSelection());
}
});
fItalicCheckBox.addSelectionListener(new SelectionListener() {
@Override
public void widgetDefaultSelected(SelectionEvent e) {
// do nothing
}
@Override
public void widgetSelected(SelectionEvent e) {
HighlightingColorListItem item= getHighlightingColorListItem();
getPreferenceStore().setValue(item.getItalicKey(), fItalicCheckBox.getSelection());
}
});
fStrikethroughCheckBox.addSelectionListener(new SelectionListener() {
@Override
public void widgetDefaultSelected(SelectionEvent e) {
// do nothing
}
@Override
public void widgetSelected(SelectionEvent e) {
HighlightingColorListItem item= getHighlightingColorListItem();
getPreferenceStore().setValue(item.getStrikethroughKey(), fStrikethroughCheckBox.getSelection());
}
});
fUnderlineCheckBox.addSelectionListener(new SelectionListener() {
@Override
public void widgetDefaultSelected(SelectionEvent e) {
// do nothing
}
@Override
public void widgetSelected(SelectionEvent e) {
HighlightingColorListItem item= getHighlightingColorListItem();
getPreferenceStore().setValue(item.getUnderlineKey(), fUnderlineCheckBox.getSelection());
}
});
fEnableCheckbox.addSelectionListener(new SelectionListener() {
@Override
public void widgetDefaultSelected(SelectionEvent e) {
// do nothing
}
@Override
public void widgetSelected(SelectionEvent e) {
HighlightingColorListItem item= getHighlightingColorListItem();
if (item instanceof SemanticHighlightingColorListItem) {
boolean enable= fEnableCheckbox.getSelection();
getPreferenceStore().setValue(((SemanticHighlightingColorListItem) item).getEnableKey(), enable);
fEnableCheckbox.setSelection(enable);
fSyntaxForegroundColorEditor.getButton().setEnabled(enable);
fColorEditorLabel.setEnabled(enable);
fBoldCheckBox.setEnabled(enable);
fItalicCheckBox.setEnabled(enable);
fStrikethroughCheckBox.setEnabled(enable);
fUnderlineCheckBox.setEnabled(enable);
uninstallSemanticHighlighting();
installSemanticHighlighting();
}
}
});
fEnableSemanticHighlightingCheckbox.addSelectionListener(new SelectionListener() {
@Override
public void widgetDefaultSelected(SelectionEvent e) {
// do nothing
}
@Override
public void widgetSelected(SelectionEvent e) {
fListViewer.refresh(true);
HighlightingColorListItem item= getHighlightingColorListItem();
if (item instanceof SemanticHighlightingColorListItem) {
handleSyntaxColorListSelection();
uninstallSemanticHighlighting();
installSemanticHighlighting();
}
}
});
colorComposite.layout(false);
return colorComposite;
}
private void addFiller(Composite composite, int horizontalSpan) {
PixelConverter pixelConverter= new PixelConverter(composite);
Label filler= new Label(composite, SWT.LEFT );
GridData gd= new GridData(GridData.HORIZONTAL_ALIGN_FILL);
gd.horizontalSpan= horizontalSpan;
gd.heightHint= pixelConverter.convertHeightInCharsToPixels(1) / 2;
filler.setLayoutData(gd);
}
private Control createPreviewer(Composite parent) {
IPreferenceStore generalTextStore= EditorsUI.getPreferenceStore();
IPreferenceStore store= new ChainedPreferenceStore(new IPreferenceStore[] { getPreferenceStore(), generalTextStore });
fPreviewViewer = new CSourceViewer(parent, null, null, false, SWT.V_SCROLL | SWT.H_SCROLL | SWT.BORDER, store);
SimpleCSourceViewerConfiguration configuration = new SimpleCSourceViewerConfiguration(fColorManager, store, null, ICPartitions.C_PARTITIONING, false);
fPreviewViewer.configure(configuration);
Font font= JFaceResources.getFont(PreferenceConstants.EDITOR_TEXT_FONT);
fPreviewViewer.getTextWidget().setFont(font);
CSourcePreviewerUpdater.registerPreviewer(fPreviewViewer, configuration, store);
fPreviewViewer.setEditable(false);
String content= loadPreviewContentFromFile("ColorSettingPreviewCode.txt"); //$NON-NLS-1$
IDocument document= new Document(content);
CUIPlugin.getDefault().getTextTools().setupCDocumentPartitioner(document, ICPartitions.C_PARTITIONING, null);
fPreviewViewer.setDocument(document);
installSemanticHighlighting();
return fPreviewViewer.getControl();
}
private String loadPreviewContentFromFile(String filename) {
String line;
String separator= System.getProperty("line.separator"); //$NON-NLS-1$
StringBuilder buffer= new StringBuilder(512);
BufferedReader reader= null;
try {
reader= new BufferedReader(new InputStreamReader(getClass().getResourceAsStream(filename)));
while ((line= reader.readLine()) != null) {
buffer.append(line);
buffer.append(separator);
}
} catch (IOException io) {
CUIPlugin.log(io);
} finally {
if (reader != null) {
try { reader.close(); } catch (IOException e) {}
}
}
return buffer.toString();
}
/**
* Install Semantic Highlighting on the previewer
*/
private void installSemanticHighlighting() {
if (fSemanticHighlightingManager == null) {
fSemanticHighlightingManager= new SemanticHighlightingManager();
fSemanticHighlightingManager.install(fPreviewViewer, fColorManager, getPreferenceStore(), createPreviewerRanges());
}
}
/**
* Uninstall Semantic Highlighting from the previewer
*/
private void uninstallSemanticHighlighting() {
if (fSemanticHighlightingManager != null) {
fSemanticHighlightingManager.uninstall();
fSemanticHighlightingManager= null;
}
}
/**
* Create the hard coded previewer ranges. Must be sorted by ascending offset.
*
* @return the hard coded previewer ranges
*/
private SemanticHighlightingManager.HighlightedRange[][] createPreviewerRanges() {
// TODO(nathanridge): It would be nicer to actually parse the previewed code.
return new SemanticHighlightingManager.HighlightedRange[][] {
{ createHighlightedRange( 2, 8, 5, SemanticHighlightings.MACRO_DEFINITION) },
{ createHighlightedRange( 3, 16, 3, SemanticHighlightings.NAMESPACE) },
{ createHighlightedRange( 5, 21, 4, SemanticHighlightings.TYPEDEF) },
{ createHighlightedRange( 6, 11, 6, SemanticHighlightings.FUNCTION_DECLARATION), createHighlightedRange( 6, 11, 6, SemanticHighlightings.FUNCTION) },
{ createHighlightedRange( 6, 18, 4, SemanticHighlightings.TYPEDEF) },
{ createHighlightedRange( 6, 23, 9, SemanticHighlightings.PARAMETER_VARIABLE) },
{ createHighlightedRange( 7, 6, 9, SemanticHighlightings.PARAMETER_VARIABLE) },
{ createHighlightedRange( 7, 22, 7, SemanticHighlightings.EXTERNAL_SDK), createHighlightedRange( 7, 22, 7, SemanticHighlightings.FUNCTION) },
{ createHighlightedRange( 7, 30, 6, SemanticHighlightings.GLOBAL_VARIABLE) },
{ createHighlightedRange( 8, 2, 4, SemanticHighlightings.GLOBAL_VARIABLE) },
{ createHighlightedRange( 8, 7, 2, SemanticHighlightings.OVERLOADED_OPERATOR) },
{ createHighlightedRange( 9, 9, 9, SemanticHighlightings.PARAMETER_VARIABLE) },
{ createHighlightedRange(11, 5, 7, SemanticHighlightings.FUNCTION_DECLARATION), createHighlightedRange(11, 5, 7, SemanticHighlightings.FUNCTION) },
{ createHighlightedRange(12, 6, 7, SemanticHighlightings.CLASS) },
{ createHighlightedRange(14, 7, 6, SemanticHighlightings.ENUM) },
{ createHighlightedRange(14, 16, 4, SemanticHighlightings.ENUMERATOR) },
{ createHighlightedRange(14, 22, 3, SemanticHighlightings.ENUMERATOR) },
{ createHighlightedRange(14, 27, 3, SemanticHighlightings.ENUMERATOR) },
{ createHighlightedRange(15, 14, 11, SemanticHighlightings.STATIC_FIELD), createHighlightedRange(14, 14, 11, SemanticHighlightings.FIELD) },
{ createHighlightedRange(16, 6, 5, SemanticHighlightings.FIELD) },
{ createHighlightedRange(17, 10, 6, SemanticHighlightings.ENUM) },
{ createHighlightedRange(17, 17, 7, SemanticHighlightings.METHOD_DECLARATION), createHighlightedRange(16, 17, 7, SemanticHighlightings.METHOD) },
{ createHighlightedRange(18, 7, 6, SemanticHighlightings.METHOD_DECLARATION), createHighlightedRange(17, 7, 6, SemanticHighlightings.METHOD) },
{ createHighlightedRange(18, 14, 6, SemanticHighlightings.ENUM) },
{ createHighlightedRange(18, 21, 1, SemanticHighlightings.PARAMETER_VARIABLE) },
{ createHighlightedRange(19, 8, 5, SemanticHighlightings.LOCAL_VARIABLE_DECLARATION) },
{ createHighlightedRange(19, 20, 5, SemanticHighlightings.MACRO_REFERENCE) },
{ createHighlightedRange(20, 0, 5, SemanticHighlightings.LABEL) },
{ createHighlightedRange(20, 7, 6, SemanticHighlightings.FUNCTION) },
{ createHighlightedRange(20, 14, 5, SemanticHighlightings.LOCAL_VARIABLE) },
{ createHighlightedRange(21, 4, 7, SemanticHighlightings.METHOD) },
{ createHighlightedRange(22, 4, 12, SemanticHighlightings.STATIC_METHOD_INVOCATION), createHighlightedRange(21, 4, 12, SemanticHighlightings.METHOD) },
{ createHighlightedRange(23, 4, 7, SemanticHighlightings.PROBLEM) },
{ createHighlightedRange(24, 4, 7, SemanticHighlightings.FUNCTION) },
{ createHighlightedRange(24, 12, 5, SemanticHighlightings.VARIABLE_PASSED_BY_NONCONST_REF), createHighlightedRange(24, 12, 5, SemanticHighlightings.LOCAL_VARIABLE) },
{ createHighlightedRange(26, 14, 12, SemanticHighlightings.METHOD_DECLARATION), createHighlightedRange(24, 14, 12, SemanticHighlightings.METHOD) },
};
}
/**
* Create a highlighted range on the previewers document with the given line, column, length and key.
*
* @param line the line
* @param column the column
* @param length the length
* @param key the key
* @return the highlighted range
*/
private HighlightedRange createHighlightedRange(int line, int column, int length, String key) {
try {
IDocument document= fPreviewViewer.getDocument();
int offset= document.getLineOffset(line) + column;
return new HighlightedRange(offset, length, key);
} catch (BadLocationException x) {
CUIPlugin.log(x);
}
return null;
}
/**
* Returns the current highlighting color list item.
*
* @return the current highlighting color list item
*/
private HighlightingColorListItem getHighlightingColorListItem() {
IStructuredSelection selection= (IStructuredSelection) fListViewer.getSelection();
Object element= selection.getFirstElement();
if (element instanceof String)
return null;
return (HighlightingColorListItem) element;
}
/**
* Initializes the computation of horizontal and vertical dialog units based
* on the size of current font.
* <p>
* This method must be called before any of the dialog unit based conversion
* methods are called.
* </p>
*
* @param testControl
* a control from which to obtain the current font
*/
private void initializeDialogUnits(Control testControl) {
// Compute and store a font metric
GC gc = new GC(testControl);
gc.setFont(JFaceResources.getDialogFont());
fFontMetrics = gc.getFontMetrics();
gc.dispose();
}
}