| /******************************************************************************* |
| * Copyright (c) 2004, 2006 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.ui.internal.presentations.defaultpresentation; |
| |
| import com.ibm.icu.text.MessageFormat; |
| |
| import org.eclipse.jface.resource.FontRegistry; |
| import org.eclipse.jface.util.Geometry; |
| import org.eclipse.swt.custom.CTabFolder; |
| import org.eclipse.swt.custom.CTabItem; |
| import org.eclipse.swt.graphics.Font; |
| import org.eclipse.swt.graphics.Rectangle; |
| import org.eclipse.ui.PlatformUI; |
| import org.eclipse.ui.internal.IWorkbenchThemeConstants; |
| import org.eclipse.ui.internal.WorkbenchMessages; |
| import org.eclipse.ui.internal.misc.Policy; |
| import org.eclipse.ui.internal.presentations.util.PartInfo; |
| import org.eclipse.ui.internal.presentations.util.WidgetTabItem; |
| import org.eclipse.ui.internal.util.Util; |
| |
| /** |
| * @since 3.1 |
| */ |
| public class DefaultTabItem extends WidgetTabItem { |
| |
| public static String DIRTY_PREFIX = "*"; //$NON-NLS-1$ |
| |
| private boolean busy = false; |
| |
| private boolean bold = false; |
| |
| private Font lastFont = null; |
| |
| private String shortName = Util.ZERO_LENGTH_STRING; |
| |
| private String longName = Util.ZERO_LENGTH_STRING; |
| |
| public DefaultTabItem(CTabFolder parent, int index, int flags) { |
| super(getTab(parent, index, flags)); |
| updateFont(); |
| } |
| |
| /** |
| * Get a new tab for the receiver. |
| * |
| * @return CTabItem |
| */ |
| private static CTabItem getTab(CTabFolder parent, int index, int flags) { |
| if (Policy.DEBUG_SWT_GRAPHICS) |
| return new AnimatedTabItem(parent, flags, index); |
| else |
| return new CTabItem(parent, flags, index); |
| } |
| |
| /* |
| * (non-Javadoc) |
| * |
| * @see org.eclipse.ui.internal.presentations.util.AbstractTabItem#getBounds() |
| */ |
| public Rectangle getBounds() { |
| return Geometry.toDisplay(getItem().getParent(), getItem().getBounds()); |
| } |
| |
| public CTabItem getItem() { |
| return (CTabItem) getWidget(); |
| } |
| |
| /* |
| * (non-Javadoc) |
| * |
| * @see org.eclipse.ui.internal.presentations.util.AbstractTabItem#isShowing() |
| */ |
| public boolean isShowing() { |
| return getItem().isShowing(); |
| } |
| |
| /* |
| * (non-Javadoc) |
| * |
| * @see org.eclipse.ui.internal.presentations.util.AbstractTabItem#setInfo(org.eclipse.ui.internal.presentations.util.PartInfo) |
| */ |
| public void setInfo(PartInfo info) { |
| CTabItem tabItem = getItem(); |
| |
| shortName = computeShortName(info); |
| longName = computeLongName(info); |
| |
| updateTabText(); |
| |
| if (tabItem.getImage() != info.image) { |
| tabItem.setImage(info.image); |
| } |
| |
| String toolTipText = info.toolTip; |
| if (toolTipText.equals(Util.ZERO_LENGTH_STRING)) { |
| toolTipText = null; |
| } |
| |
| if (!Util.equals(toolTipText, tabItem.getToolTipText())) { |
| tabItem.setToolTipText(toolTipText); |
| } |
| } |
| |
| public void updateTabText() { |
| CTabItem tabItem = getItem(); |
| |
| String newName = tabItem.getParent().getSingle() ? longName : shortName; |
| |
| newName = escapeAmpersands(newName); |
| |
| if (!Util.equals(newName, tabItem.getText())) { |
| tabItem.setText(newName); |
| } |
| } |
| |
| /** |
| * Escapes all the ampersands in the given string such that they can be |
| * displayed verbatim in an SWT label rather than treated as accelerators. |
| * |
| * @since 3.1 |
| * |
| * @return a string where all ampersands are escaped |
| */ |
| public static String escapeAmpersands(String input) { |
| StringBuffer title = new StringBuffer(input.length()); |
| for (int i = 0; i < input.length(); i++) { |
| char character = input.charAt(i); |
| title.append(character); |
| if (character == '&') { |
| title.append(character); // escape ampersand |
| } |
| } |
| return title.toString(); |
| } |
| |
| /* |
| * (non-Javadoc) |
| * |
| * @see org.eclipse.ui.internal.presentations.util.AbstractTabItem#setBold(boolean) |
| */ |
| public void setBold(boolean bold) { |
| this.bold = bold; |
| super.setBold(bold); |
| updateFont(); |
| } |
| |
| /* |
| * (non-Javadoc) |
| * |
| * @see org.eclipse.ui.internal.presentations.util.AbstractTabItem#setBusy(boolean) |
| */ |
| public void setBusy(boolean busy) { |
| this.busy = busy; |
| super.setBusy(busy); |
| updateFont(); |
| |
| if (Policy.DEBUG_SWT_GRAPHICS) { |
| AnimatedTabItem item = (AnimatedTabItem) getWidget(); |
| if (busy) |
| item.startBusy(); |
| else |
| item.stopBusy(); |
| } |
| } |
| |
| private void updateFont() { |
| CTabItem tabItem = getItem(); |
| |
| // Set the font if necessary |
| FontRegistry registry = PlatformUI.getWorkbench().getThemeManager() |
| .getCurrentTheme().getFontRegistry(); |
| |
| // Determine the parent font. We will set the tab's font |
| Font targetFont = null; |
| |
| if (busy) { |
| targetFont = registry |
| .getItalic(IWorkbenchThemeConstants.TAB_TEXT_FONT); |
| } else { |
| |
| if (bold) { |
| targetFont = registry |
| .getBold(IWorkbenchThemeConstants.TAB_TEXT_FONT); |
| } |
| } |
| |
| if (lastFont != targetFont) { |
| tabItem.setFont(targetFont); |
| lastFont = targetFont; |
| } |
| } |
| |
| private static String computeShortName(PartInfo info) { |
| String text = info.name; |
| |
| if (info.dirty) { |
| text = DIRTY_PREFIX + text; |
| } |
| |
| return text; |
| } |
| |
| private static String computeLongName(PartInfo info) { |
| String text = info.name; |
| |
| String contentDescription = info.contentDescription; |
| |
| if (contentDescription.equals("")) { //$NON-NLS-1$ |
| |
| String titleTooltip = info.toolTip.trim(); |
| |
| if (titleTooltip.endsWith(info.name)) { |
| titleTooltip = titleTooltip.substring(0, |
| titleTooltip.lastIndexOf(info.name)).trim(); |
| } |
| |
| if (titleTooltip.endsWith("\\")) { //$NON-NLS-1$ |
| titleTooltip = titleTooltip.substring(0, |
| titleTooltip.lastIndexOf("\\")).trim(); //$NON-NLS-1$ |
| } |
| |
| if (titleTooltip.endsWith("/")) { //$NON-NLS-1$ |
| titleTooltip = titleTooltip.substring(0, |
| titleTooltip.lastIndexOf("/")).trim(); //$NON-NLS-1$ |
| } |
| |
| contentDescription = titleTooltip; |
| } |
| |
| if (!contentDescription.equals("")) { //$NON-NLS-1$ |
| text = MessageFormat.format( |
| WorkbenchMessages.EditorPart_AutoTitleFormat, new String[] { |
| text, contentDescription }); |
| } |
| |
| if (info.dirty) { |
| text = DIRTY_PREFIX + text; |
| } |
| |
| return text; |
| } |
| } |