org.gems.ajax.client.figures.toolbox.ToolBox.java Source code

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Here is the source code for org.gems.ajax.client.figures.toolbox.ToolBox.java

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package org.gems.ajax.client.figures.toolbox;

import java.util.ArrayList;
import java.util.List;

import org.gems.ajax.client.edit.CommandStack;
import org.gems.ajax.client.edit.EditPart;
import org.gems.ajax.client.edit.EditPartManager;
import org.gems.ajax.client.figures.AbstractDiagramElement;
import org.gems.ajax.client.figures.DiagramElement;
import org.gems.ajax.client.figures.DiagramElementListener;
import org.gems.ajax.client.figures.GEMSDiagram;
import org.gems.ajax.client.util.GraphicsConstants;
import org.gems.ajax.client.util.Util;

import com.google.gwt.user.client.ui.HorizontalPanel;

/*******************************************************************************
 * Copyright (c) 2007 Jules White. 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: Jules White - initial API and implementation
 ******************************************************************************/

public class ToolBox extends HorizontalPanel implements GraphicsConstants, DiagramElementListener {

    private GEMSDiagram diagram_;
    private List<ToolBoxTool> tools_ = new ArrayList<ToolBoxTool>();
    private CommandStack commandStack_;

    public ToolBox(CommandStack stk) {
        setStyleName(TOOLBOX_STYLE);
        commandStack_ = stk;
    }

    public void attach(DiagramElement parent) {
        if (diagram_ != null) {
            diagram_.remove(this);
            diagram_ = null;
        }

        updateSize(parent);
        diagram_ = parent.getDiagram();
        diagram_.add(this, Util.getDiagramX(parent.getDiagramWidget()),
                Util.getDiagramY(parent.getDiagramWidget()) - getTopInset());
        parent.addDiagramElementListener(this);

        EditPart ctx = EditPartManager.getEditPart(parent);
        for (ToolBoxTool t : tools_) {
            t.setCommandStack(commandStack_);
            t.attach(this, ctx);
        }

        updateLocation(parent);
    }

    public void detach() {
        if (diagram_ != null) {
            diagram_.remove(this);
            diagram_ = null;
        }

        for (ToolBoxTool t : tools_) {
            t.detach();
        }
    }

    public void updateSize(DiagramElement parent) {
        setSize(parent.getDiagramWidget().getOffsetWidth() + "px", getTopInset() + "px");
    }

    public void updateLocation(DiagramElement parent) {
        if (diagram_ != null) {
            diagram_.setWidgetPosition(this, Util.getDiagramX(parent.getDiagramWidget()),
                    Util.getDiagramY(parent.getDiagramWidget()) - getOffsetHeight());
        }
    }

    public int getTopInset() {
        return 27;
    }

    public int getLeftInset() {
        return 20;
    }

    public void onCollapse(AbstractDiagramElement p) {
        updateSize(p);
    }

    public void onExpand(AbstractDiagramElement p) {
        updateSize(p);
    }

    public void onMove(DiagramElement p) {
        updateLocation(p);
    }

    public void onResize(AbstractDiagramElement p, String w, String h) {
        updateSize(p);
    }

    public void onChildAdded(AbstractDiagramElement p) {
    }

    public void onChildRemoved(AbstractDiagramElement p) {
    }

    public void addTool(ToolBoxTool tool) {
        tools_.add(tool);
    }

    public void removeTool(ToolBoxTool tool) {
        tools_.remove(tool);
    }

    public CommandStack getCommandStack() {
        return commandStack_;
    }

    public void setCommandStack(CommandStack commandStack) {
        commandStack_ = commandStack;
    }

}