| /******************************************************************************* |
| * Copyright (c) 2001, 2011 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 |
| * Jens Lukowski/Innoopract - initial renaming/restructuring |
| * |
| *******************************************************************************/ |
| package org.eclipse.wst.dtd.ui.views.contentoutline; |
| |
| import org.eclipse.jface.viewers.LabelProvider; |
| import org.eclipse.swt.graphics.Image; |
| import org.eclipse.wst.dtd.core.internal.DTDFile; |
| import org.eclipse.wst.dtd.core.internal.DTDNode; |
| import org.eclipse.wst.dtd.core.internal.DTDResource; |
| import org.eclipse.wst.dtd.core.internal.NodeList; |
| import org.eclipse.wst.dtd.ui.internal.DTDUIPlugin; |
| |
| class DTDLabelProvider extends LabelProvider { |
| |
| public DTDLabelProvider() { |
| super(); |
| } |
| |
| /** |
| * Returns the image for the label of the given element. |
| * |
| * @param element |
| * the element for which to provide the label image |
| * @return the image used to label the element, or <code>null</code> if |
| * these is no image for the given object |
| */ |
| public Image getImage(Object element) { |
| Image image = null; |
| if (element instanceof DTDNode) { |
| final String imgPath = ((DTDNode) element).getImagePath(); |
| image = imgPath != null ? DTDUIPlugin.getDefault().getImage(imgPath) : null; |
| } |
| else if (element instanceof NodeList) { |
| final String imgPath = ((NodeList) element).getImagePath(); |
| image = imgPath != null ? DTDUIPlugin.getDefault().getImage(imgPath) : null; |
| } |
| else if (element instanceof DTDFile) { |
| image = DTDUIPlugin.getDefault().getImage(DTDResource.DTDFILEICON); |
| } |
| else { |
| image = super.getImage(element); |
| } |
| return image; |
| } |
| |
| /** |
| * Returns the text for the label of the given element. |
| * |
| * @param element |
| * the element for which to provide the label text |
| * @return the text string used to label the element, or <code>null</code> |
| * if these is no text label for the given object |
| */ |
| public String getText(Object element) { |
| if (element instanceof DTDNode) { |
| String name = ((DTDNode) element).getName(); |
| |
| // strip leading whitespace (useful for multi-line comments) |
| int firstSignificantCharacter = 0; |
| int lastVisibleCharacter = name.length() - 1; |
| for (firstSignificantCharacter = 0; firstSignificantCharacter < name.length(); firstSignificantCharacter++) { |
| if (!Character.isWhitespace(name.charAt(firstSignificantCharacter))) |
| break; |
| } |
| // keep only the first line of text in a multi-line name |
| if (firstSignificantCharacter < lastVisibleCharacter) { |
| for (lastVisibleCharacter = firstSignificantCharacter + 1; lastVisibleCharacter < name.length(); lastVisibleCharacter++) { |
| char character = name.charAt(lastVisibleCharacter); |
| if (character == '\r' || character == '\n') |
| break; |
| } |
| } |
| if (firstSignificantCharacter > 0 && firstSignificantCharacter < name.length() - 1) { |
| name = name.substring(firstSignificantCharacter, lastVisibleCharacter); |
| } |
| |
| return name; |
| } |
| else if (element instanceof NodeList) { |
| // return ((NodeList) element).getListType(); |
| return ((NodeList) element).getName(); |
| } |
| else if (element instanceof DTDFile) { |
| return ((DTDFile) element).getName(); |
| } |
| return super.getText(element); |
| } |
| } |