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/*******************************************************************************
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* Copyright (c) 2000, 2010 IBM Corporation and others.
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* All rights reserved. This program and the accompanying materials
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* are made available under the terms of the Eclipse Public License v1.0
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* which accompanies this distribution, and is available at
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* http://www.eclipse.org/legal/epl-v10.html
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*
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* Contributors:
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* IBM Corporation - initial API and implementation
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*******************************************************************************/
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package org.eclipse.gef.internal.ui.palette.editparts;
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import org.eclipse.draw2d.Border;
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import org.eclipse.draw2d.Figure;
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import org.eclipse.draw2d.IFigure;
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import org.eclipse.draw2d.LayoutManager;
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import org.eclipse.draw2d.MarginBorder;
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import org.eclipse.draw2d.ToolbarLayout;
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import org.eclipse.gef.internal.ui.palette.PaletteColorUtil;
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import org.eclipse.gef.palette.PaletteContainer;
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import org.eclipse.gef.ui.palette.PaletteViewerPreferences;
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import org.eclipse.gef.ui.palette.editparts.PaletteEditPart;
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public class GroupEditPart extends PaletteEditPart {
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/** Scrollpane border constant for icon and column layout mode **/
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private static final Border SCROLL_PANE_BORDER = new MarginBorder(2, 2, 2,
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2);
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/** Scrollpane border constant for list and details layout mode **/
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private static final Border SCROLL_PANE_LIST_BORDER = new MarginBorder(2,
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0, 2, 0);
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private int cachedLayout = -1;
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public GroupEditPart(PaletteContainer group) {
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super(group);
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}
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/**
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* @see org.eclipse.gef.editparts.AbstractGraphicalEditPart#createFigure()
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*/
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public IFigure createFigure() {
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Figure figure = new Figure();
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figure.setOpaque(true);
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figure.setBackgroundColor(PaletteColorUtil.WIDGET_LIST_BACKGROUND);
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return figure;
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}
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/**
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* @see org.eclipse.gef.editparts.AbstractEditPart#refreshVisuals()
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*/
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protected void refreshVisuals() {
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int layout = getLayoutSetting();
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if (cachedLayout == layout)
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return;
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cachedLayout = layout;
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LayoutManager manager;
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if (layout == PaletteViewerPreferences.LAYOUT_COLUMNS) {
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manager = new ColumnsLayout();
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getContentPane().setBorder(SCROLL_PANE_BORDER);
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} else if (layout == PaletteViewerPreferences.LAYOUT_ICONS) {
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PaletteContainerFlowLayout flow = new PaletteContainerFlowLayout();
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flow.setMajorSpacing(0);
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flow.setMinorSpacing(0);
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manager = flow;
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getContentPane().setBorder(SCROLL_PANE_BORDER);
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} else {
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manager = new ToolbarLayout();
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getContentPane().setBorder(SCROLL_PANE_LIST_BORDER);
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}
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getContentPane().setLayoutManager(manager);
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}
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}
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