Mercurial > projects > dwt-addons
view dwtx/jface/layout/TreeColumnLayout.d @ 39:644f1334b451
fix anon classes
author | Frank Benoit <benoit@tionex.de> |
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date | Tue, 08 Apr 2008 22:05:42 +0200 |
parents | 5802cda3813d |
children | ea8ff534f622 |
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/******************************************************************************* * Copyright (c) 2007 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: * Tom Schindl <tom.schindl@bestsolution.at> - initial API and implementation * - fix for bug 178280, 183999, 184609 * IBM Corporation - API refactoring and general maintenance * Port to the D programming language: * Frank Benoit <benoit@tionex.de> *******************************************************************************/ module dwtx.jface.layout.TreeColumnLayout; import dwtx.jface.layout.AbstractColumnLayout; import dwt.events.TreeEvent; import dwt.events.TreeListener; import dwt.widgets.Composite; import dwt.widgets.Layout; import dwt.widgets.Scrollable; import dwt.widgets.Tree; import dwt.widgets.TreeColumn; import dwt.widgets.Widget; import dwtx.jface.viewers.ColumnLayoutData; import dwtx.jface.viewers.ColumnPixelData; import dwt.dwthelper.utils; import dwt.dwthelper.Runnable; /** * The TreeColumnLayout is the {@link Layout} used to maintain {@link TreeColumn} sizes in a * {@link Tree}. * * <p> * <b>You can only add the {@link Layout} to a container whose <i>only</i> * child is the {@link Tree} control you want the {@link Layout} applied to. * Don't assign the layout directly the {@link Tree}</b> * </p> * * @since 3.3 */ public class TreeColumnLayout : AbstractColumnLayout { private bool addListener = true; private static class TreeLayoutListener : TreeListener { public void treeCollapsed(TreeEvent e) { update(cast(Tree) e.widget); } public void treeExpanded(TreeEvent e) { update(cast(Tree) e.widget); } private void update(Tree tree) { tree.getDisplay().asyncExec(new class(tree) Runnable { Tree tree_; this(Tree a){ tree_=a; } public void run() { tree_.update(); tree_.getParent().layout(); } }); } } private static const TreeLayoutListener listener; static this(){ listener = new TreeLayoutListener(); } protected void layout(Composite composite, bool flushCache) { super.layout(composite, flushCache); if( addListener ) { addListener=false; (cast(Tree)getControl(composite)).addTreeListener(listener); } } /* (non-Javadoc) * @see dwtx.jface.layout.AbstractColumnLayout#getColumnCount(dwt.widgets.Scrollable) */ int getColumnCount(Scrollable tree) { return (cast(Tree) tree).getColumnCount(); } /* (non-Javadoc) * @see dwtx.jface.layout.AbstractColumnLayout#setColumnWidths(dwt.widgets.Scrollable, int[]) */ void setColumnWidths(Scrollable tree, int[] widths) { TreeColumn[] columns = (cast(Tree) tree).getColumns(); for (int i = 0; i < widths.length; i++) { columns[i].setWidth(widths[i]); } } /* (non-Javadoc) * @see dwtx.jface.layout.AbstractColumnLayout#getLayoutData(dwt.widgets.Scrollable, int) */ ColumnLayoutData getLayoutData(Scrollable tableTree, int columnIndex) { TreeColumn column = (cast(Tree) tableTree).getColumn(columnIndex); return cast(ColumnLayoutData) column.getData(LAYOUT_DATA); } void updateColumnData(Widget column) { TreeColumn tColumn = cast(TreeColumn) column; Tree t = tColumn.getParent(); if( ! IS_GTK || t.getColumn(t.getColumnCount()-1) !is tColumn ){ tColumn.setData(LAYOUT_DATA,new ColumnPixelData(tColumn.getWidth())); layout(t.getParent(), true); } } }