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view org.eclipse.jface.snippets/EclipseJfaceSnippets/org/eclipse/jface/snippets/viewers/Snippet014TreeViewerNoMandatoryLabelProvider.d @ 32:c4b36186a9bc
Renamings
author | Frank Benoit <benoit@tionex.de> |
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date | Mon, 23 Mar 2009 11:25:49 +0100 |
parents | 5d87d4191adf |
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/******************************************************************************* * Copyright (c) 2006 Tom Schindl 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: * Tom Schindl - initial API and implementation * Port to the D programming language: * yidabu at gmail dot com ( D China http://www.d-programming-language-china.org/ ) *******************************************************************************/ module org.eclipse.jface.snippets.viewers.Snippet014TreeViewerNoMandatoryLabelProvider; import org.eclipse.jface.resource.FontRegistry; import org.eclipse.jface.viewers.ITableColorProvider; import org.eclipse.jface.viewers.ITableFontProvider; import org.eclipse.jface.viewers.ITableLabelProvider; import org.eclipse.jface.viewers.ITreeContentProvider; import org.eclipse.jface.viewers.LabelProvider; import org.eclipse.jface.viewers.TreeViewer; import org.eclipse.jface.viewers.Viewer; import org.eclipse.swt.SWT; import org.eclipse.swt.graphics.Color; import org.eclipse.swt.graphics.Font; import org.eclipse.swt.graphics.Image; import org.eclipse.swt.layout.FillLayout; import org.eclipse.swt.widgets.Display; import org.eclipse.swt.widgets.Shell; import org.eclipse.swt.widgets.TreeColumn; import java.lang.all; import tango.util.Convert; import tango.util.container.LinkedList; version(JIVE) import jive.stacktrace; void main(String[] args) { Display display = new Display(); Shell shell = new Shell(display); shell.setLayout(new FillLayout()); new Snippet014TreeViewerNoMandatoryLabelProvider(shell); shell.open(); while (!shell.isDisposed()) { if (!display.readAndDispatch()) display.sleep(); } display.dispose(); } /** * A simple TreeViewer to demonstrate usage * * @author Tom Schindl <tom.schindl@bestsolution.at> * */ public class Snippet014TreeViewerNoMandatoryLabelProvider { alias LinkedList!(MyModel) ArrayList; private class MyContentProvider : ITreeContentProvider { /* * (non-Javadoc) * * @see org.eclipse.jface.viewers.IStructuredContentProvider#getElements(java.lang.Object) */ public Object[] getElements(Object inputElement) { return (cast(MyModel) inputElement).child.toArray(); } /* * (non-Javadoc) * * @see org.eclipse.jface.viewers.IContentProvider#dispose() */ public void dispose() { } /* * (non-Javadoc) * * @see org.eclipse.jface.viewers.IContentProvider#inputChanged(org.eclipse.jface.viewers.Viewer, * java.lang.Object, java.lang.Object) */ public void inputChanged(Viewer viewer, Object oldInput, Object newInput) { } /* * (non-Javadoc) * * @see org.eclipse.jface.viewers.ITreeContentProvider#getChildren(java.lang.Object) */ public Object[] getChildren(Object parentElement) { return getElements(parentElement); } /* * (non-Javadoc) * * @see org.eclipse.jface.viewers.ITreeContentProvider#getParent(java.lang.Object) */ public Object getParent(Object element) { if (element is null) { return null; } return (cast(MyModel) element).parent; } /* * (non-Javadoc) * * @see org.eclipse.jface.viewers.ITreeContentProvider#hasChildren(java.lang.Object) */ public bool hasChildren(Object element) { return (cast(MyModel) element).child.size() > 0; } } public class MyModel { public MyModel parent; public ArrayList child; public int counter; public this(int counter, MyModel parent) { this.parent = parent; this.counter = counter; child = new ArrayList(); } public String toString() { String rv = "Item "; if (parent !is null) { rv = parent.toString() ~ "."; } rv ~= to!(String)(counter); return rv; } } public class MyLabelProvider : LabelProvider, ITableLabelProvider, ITableFontProvider, ITableColorProvider { FontRegistry registry; this() { registry = new FontRegistry(); } public Image getColumnImage(Object element, int columnIndex) { return null; } public String getColumnText(Object element, int columnIndex) { return "Column " ~ to!(String)(columnIndex) ~ " => " ~ element.toString(); } public Font getFont(Object element, int columnIndex) { if ((cast(MyModel) element).counter % 2 == 0) { return registry.getBold(Display.getCurrent().getSystemFont() .getFontData()[0].getName()); } return null; } public Color getBackground(Object element, int columnIndex) { if ((cast(MyModel) element).counter % 2 == 0) { return Display.getCurrent().getSystemColor(SWT.COLOR_RED); } return null; } public Color getForeground(Object element, int columnIndex) { if ((cast(MyModel) element).counter % 2 == 1) { return Display.getCurrent().getSystemColor(SWT.COLOR_RED); } return null; } } public this(Shell shell) { final TreeViewer v = new TreeViewer(shell); TreeColumn column = new TreeColumn(v.getTree(),SWT.NONE); column.setWidth(200); column.setText("Column 1"); column = new TreeColumn(v.getTree(),SWT.NONE); column.setWidth(200); column.setText("Column 2"); v.setLabelProvider(new MyLabelProvider()); v.setContentProvider(new MyContentProvider()); v.setInput(createModel()); } private MyModel createModel() { MyModel root = new MyModel(0, null); root.counter = 0; MyModel tmp; for (int i = 1; i < 10; i++) { tmp = new MyModel(i, root); root.child.add(tmp); for (int j = 1; j < i; j++) { tmp.child.add(new MyModel(j, tmp)); } } return root; } }