Java tutorial
/* ****************************************************************************** * Copyright (c) 2006-2012 XMind Ltd. and others. * * This file is a part of XMind 3. XMind releases 3 and * above are dual-licensed under the Eclipse Public License (EPL), * which is available at http://www.eclipse.org/legal/epl-v10.html * and the GNU Lesser General Public License (LGPL), * which is available at http://www.gnu.org/licenses/lgpl.html * See http://www.xmind.net/license.html for details. * * Contributors: * XMind Ltd. - initial API and implementation *******************************************************************************/ package org.xmind.ui.richtext; import java.util.Arrays; import java.util.Set; import java.util.TreeSet; import org.eclipse.jface.action.ContributionItem; import org.eclipse.jface.action.IMenuManager; import org.eclipse.jface.action.IToolBarManager; import org.eclipse.jface.action.MenuManager; import org.eclipse.jface.action.Separator; import org.eclipse.jface.layout.GridDataFactory; import org.eclipse.jface.resource.FontDescriptor; import org.eclipse.jface.resource.JFaceResources; import org.eclipse.jface.resource.LocalResourceManager; import org.eclipse.jface.resource.ResourceManager; import org.eclipse.jface.viewers.ArrayContentProvider; import org.eclipse.jface.viewers.ISelection; import org.eclipse.jface.viewers.ISelectionChangedListener; import org.eclipse.jface.viewers.IStructuredSelection; import org.eclipse.jface.viewers.LabelProvider; import org.eclipse.jface.viewers.SelectionChangedEvent; import org.eclipse.jface.viewers.StructuredSelection; import org.eclipse.swt.SWT; import org.eclipse.swt.graphics.Color; import org.eclipse.swt.graphics.Font; import org.eclipse.swt.graphics.TextStyle; import org.eclipse.swt.widgets.ToolBar; import org.eclipse.swt.widgets.ToolItem; import org.xmind.ui.color.ColorPicker; import org.xmind.ui.color.ColorSelection; import org.xmind.ui.color.IColorSelection; import org.xmind.ui.color.PaletteContents; import org.xmind.ui.dialogs.Messages; import org.xmind.ui.internal.ToolkitImages; import org.xmind.ui.resources.ColorUtils; import org.xmind.ui.resources.FontUtils; import org.xmind.ui.viewers.MComboViewer; public class FullRichTextActionBarContributor extends RichTextActionBarContributor { private static Set<Integer> FONT_SIZE_LIST = new TreeSet<Integer>(); private IRichTextAction fontAction; private MComboViewer fontViewer; private MComboViewer sizeViewer; private IRichTextAction boldAction; private IRichTextAction italicAction; private IRichTextAction underlineAction; private IRichTextAction strikeoutAction; private IRichTextAction alignLeftAction; private IRichTextAction alignCenterAction; private IRichTextAction alignRightAction; // private IRichTextAction bulletAction; // private IRichTextAction numberAction; // private BulletActionGroup bulletGroup; private IRichTextAction indentAction; private IRichTextAction outdentAction; private AlignmentGroup alignGroup; private ColorPicker foregroundPicker; private ColorPicker backgroundPicker; private boolean refreshing = false; protected void makeActions(IRichTextEditViewer viewer) { fontAction = new FontAction(viewer); addRichTextAction(fontAction); boldAction = new BoldAction(viewer); addRichTextAction(boldAction); italicAction = new ItalicAction(viewer); addRichTextAction(italicAction); underlineAction = new UnderlineAction(viewer); addRichTextAction(underlineAction); strikeoutAction = new StrikeoutAction(viewer); addRichTextAction(strikeoutAction); alignLeftAction = new AlignLeftAction(viewer); addRichTextAction(alignLeftAction); alignCenterAction = new AlignCenterAction(viewer); addRichTextAction(alignCenterAction); alignRightAction = new AlignRightAction(viewer); addRichTextAction(alignRightAction); // numberAction = new NumberAction(viewer); // addRichTextAction(numberAction); // bulletAction = new BulletAction(viewer); // addRichTextAction(bulletAction); // bulletGroup = new BulletActionGroup(); // bulletGroup.add(numberAction); // bulletGroup.add(bulletAction); indentAction = new IndentAction(viewer); addRichTextAction(indentAction); outdentAction = new OutdentAction(viewer); addRichTextAction(outdentAction); alignGroup = new AlignmentGroup(); alignGroup.add(alignLeftAction); alignGroup.add(alignCenterAction); alignGroup.add(alignRightAction); int colorChooserStyle = ColorPicker.AUTO | ColorPicker.CUSTOM; foregroundPicker = new ColorPicker(colorChooserStyle, PaletteContents.getDefault(), RichTextMessages.ForegroundAction_text, ToolkitImages.get(ToolkitImages.FOREGROUND)); foregroundPicker.setAutoColor(RichTextUtils.DEFAULT_FOREGROUND.getRGB()); foregroundPicker.addSelectionChangedListener(new ISelectionChangedListener() { public void selectionChanged(SelectionChangedEvent event) { foregroundChanged(event); } }); backgroundPicker = new ColorPicker(colorChooserStyle, PaletteContents.getDefault(), RichTextMessages.BackgroundAction_text, ToolkitImages.get(ToolkitImages.BACKGROUND)); backgroundPicker.setAutoColor(RichTextUtils.DEFAULT_BACKGROUND.getRGB()); backgroundPicker.addSelectionChangedListener(new ISelectionChangedListener() { public void selectionChanged(SelectionChangedEvent event) { backgroundChanged(event); } }); } private void backgroundChanged(SelectionChangedEvent event) { IColorSelection selection = (IColorSelection) event.getSelection(); Color c = selection.isAutomatic() ? null : ColorUtils.getColor(selection.getColor()); getViewer().getRenderer().setSelectionBackground(c); } private void foregroundChanged(SelectionChangedEvent event) { IColorSelection selection = (IColorSelection) event.getSelection(); Color c = selection.isAutomatic() ? null : ColorUtils.getColor(selection.getColor()); getViewer().getRenderer().setSelectionForeground(c); } public void fillMenu(IMenuManager menu) { menu.add(fontAction); menu.add(boldAction); menu.add(italicAction); menu.add(underlineAction); menu.add(strikeoutAction); menu.add(new Separator()); menu.add(alignLeftAction); menu.add(alignCenterAction); menu.add(alignRightAction); menu.add(new Separator()); menu.add(indentAction); menu.add(outdentAction); } public void fillContextMenu(IMenuManager menu) { menu.add(fontAction); MenuManager fontMenu = new MenuManager(RichTextMessages.ACTIONBAR_FONT_MENU_TEXT); fontMenu.add(boldAction); fontMenu.add(italicAction); fontMenu.add(underlineAction); fontMenu.add(strikeoutAction); menu.add(fontMenu); MenuManager alignMenu = new MenuManager(RichTextMessages.ACTIONBAR_ALIGN_MENU_TEXT); alignMenu.add(alignLeftAction); alignMenu.add(alignCenterAction); alignMenu.add(alignRightAction); menu.add(alignMenu); menu.add(new Separator()); // menu.add(bulletAction); // menu.add(numberAction); menu.add(new Separator()); menu.add(indentAction); menu.add(outdentAction); } public void fillToolBar(IToolBarManager toolbar) { addFontFamilySelector(toolbar); addFontSizeSelector(toolbar); // toolbar.add(fontAction); toolbar.add(boldAction); toolbar.add(italicAction); toolbar.add(underlineAction); toolbar.add(strikeoutAction); toolbar.add(new Separator()); toolbar.add(alignGroup); // toolbar.add(new Separator()); // toolbar.add(numberAction); // toolbar.add(bulletAction); toolbar.add(new Separator()); toolbar.add(indentAction); toolbar.add(outdentAction); toolbar.add(new Separator()); toolbar.add(foregroundPicker); toolbar.add(backgroundPicker); } private void addFontFamilySelector(IToolBarManager toolbar) { toolbar.add(new ContributionItem() { public void fill(ToolBar parent, int index) { ToolItem ti; if (index < 0) ti = new ToolItem(parent, SWT.SEPARATOR); else ti = new ToolItem(parent, SWT.SEPARATOR, index++); fontViewer = new MComboViewer(parent, MComboViewer.FILTERED); GridDataFactory.fillDefaults().grab(true, false).applyTo(fontViewer.getControl()); fontViewer.getControl().setToolTipText(Messages.FullRichTextAction_FontViewer_toolTip); fontViewer.setContentProvider(new ArrayContentProvider()); fontViewer.setLabelProvider(new LabelProvider()); fontViewer.setInput(FontUtils.getAvailableFontNames()); fontViewer.setSelection( new StructuredSelection(RichTextUtils.DEFAULT_FONT.getFontData()[0].getName())); fontViewer.addSelectionChangedListener(new ISelectionChangedListener() { public void selectionChanged(SelectionChangedEvent event) { if (refreshing) return; handleFontSelectionChanged(event); } }); ti.setWidth(105); ti.setControl(fontViewer.getControl()); update(); } }); } private void addFontSizeSelector(IToolBarManager toolbar) { toolbar.add(new ContributionItem() { @Override public void fill(ToolBar parent, int index) { ToolItem ti; if (index < 0) ti = new ToolItem(parent, SWT.SEPARATOR); else ti = new ToolItem(parent, SWT.SEPARATOR, index++); sizeViewer = new MComboViewer(parent, MComboViewer.FILTERED); GridDataFactory.fillDefaults().grab(true, false).applyTo(sizeViewer.getControl()); sizeViewer.getControl().setToolTipText(Messages.FullRichTextAction_FontSizeViewer_toolTip); sizeViewer.setContentProvider(new ArrayContentProvider()); sizeViewer.setLabelProvider(new LabelProvider()); sizeViewer.setPermitsUnprovidedElement(true); if (FONT_SIZE_LIST.isEmpty()) { FONT_SIZE_LIST.addAll(Arrays.asList(8, 9, 10, 11, 12, 13, 14, 16, 18, 20, 22, 24, 36, 48, 56)); } sizeViewer.setInput(FONT_SIZE_LIST); sizeViewer.addSelectionChangedListener(new ISelectionChangedListener() { public void selectionChanged(SelectionChangedEvent event) { if (refreshing) return; handleFontSelectionChanged(event); } }); ti.setWidth(45); ti.setControl(sizeViewer.getControl()); update(); } }); } public void selectionChanged(ISelection selection, boolean enabled) { super.selectionChanged(selection, enabled); updateColorChoosers(enabled); updateFontFamilyViewer(enabled); updateFontSizeViewer(enabled); } private void updateFontFamilyViewer(boolean enabled) { if (fontViewer == null || fontViewer.getControl().isDisposed()) return; refreshing = true; IRichTextRenderer renderer = getViewer().getRenderer(); fontViewer.setSelection(new StructuredSelection(renderer.getSelectionFontFace())); fontViewer.setEnabled(enabled); refreshing = false; } private void updateFontSizeViewer(boolean enabled) { if (sizeViewer == null || sizeViewer.getControl().isDisposed()) return; refreshing = true; IRichTextRenderer renderer = getViewer().getRenderer(); sizeViewer.setSelection(new StructuredSelection(renderer.getSelectionFontSize())); sizeViewer.setEnabled(enabled); refreshing = false; } private void updateColorChoosers(boolean enabled) { IRichTextRenderer renderer = getViewer().getRenderer(); TextStyle style = (renderer instanceof RichTextRenderer) ? ((RichTextRenderer) renderer).getSelectionTextStyle() : null; int foregroundType = (style == null || style.foreground == null) ? ColorSelection.AUTO : ColorSelection.CUSTOM; foregroundPicker .setSelection(new ColorSelection(foregroundType, renderer.getSelectionForeground().getRGB())); foregroundPicker.getAction().setEnabled(enabled); int backgroundType = (style == null || style.background == null) ? ColorSelection.AUTO : ColorSelection.CUSTOM; backgroundPicker .setSelection(new ColorSelection(backgroundType, renderer.getSelectionBackground().getRGB())); backgroundPicker.getAction().setEnabled(enabled); } public void dispose() { if (foregroundPicker != null) { foregroundPicker.dispose(); } if (backgroundPicker != null) { backgroundPicker.dispose(); } if (alignGroup != null) { alignGroup.dispose(); } if (fontViewer != null) fontViewer = null; if (sizeViewer != null) sizeViewer = null; super.dispose(); } protected void handleFontSelectionChanged(SelectionChangedEvent event) { IRichTextEditViewer textViewer = getViewer(); if (textViewer == null || textViewer.getControl().isDisposed()) return; IRichTextRenderer renderer = textViewer.getRenderer(); Font selectionFont = renderer.getSelectionFont(); ResourceManager resources = new LocalResourceManager(JFaceResources.getResources()); Object o = ((IStructuredSelection) event.getSelection()).getFirstElement(); if (o instanceof String) { renderer.setSelectionFont((Font) resources .get(FontDescriptor.createFrom(FontUtils.newName(selectionFont.getFontData(), (String) o)))); } else if (o instanceof Integer) { int size = (Integer) o; if (size > 0) { renderer.setSelectionFont((Font) resources .get(FontDescriptor.createFrom(FontUtils.newHeight(selectionFont.getFontData(), size)))); } } } }