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org.cristalise.gui.tabs.WorkflowPane Maven / Gradle / Ivy
/**
* This file is part of the CRISTAL-iSE default user interface.
* Copyright (c) 2001-2016 The CRISTAL Consortium. All rights reserved.
*
* This library is free software; you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as published
* by the Free Software Foundation; either version 3 of the License, or (at
* your option) any later version.
*
* This library is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; with out even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
* License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this library; if not, write to the Free Software Foundation,
* Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
*
* http://www.fsf.org/licensing/licenses/lgpl.html
*/
package org.cristalise.gui.tabs;
import java.awt.Cursor;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.io.File;
import javax.swing.Box;
import javax.swing.JButton;
import javax.swing.JFileChooser;
import javax.swing.JSplitPane;
import org.cristalise.gui.ImageLoader;
import org.cristalise.gui.MainFrame;
import org.cristalise.gui.graph.controller.Selection;
import org.cristalise.gui.graph.view.EditorPanel;
import org.cristalise.gui.graph.view.VertexPropertyPanel;
import org.cristalise.gui.lifecycle.instance.TransitionPanel;
import org.cristalise.gui.lifecycle.instance.WfDirectedEdgeRenderer;
import org.cristalise.gui.lifecycle.instance.WfEdgeFactory;
import org.cristalise.gui.lifecycle.instance.WfGraphPanel;
import org.cristalise.gui.lifecycle.instance.WfVertexFactory;
import org.cristalise.gui.lifecycle.instance.WfVertexRenderer;
import org.cristalise.kernel.entity.proxy.MemberSubscription;
import org.cristalise.kernel.entity.proxy.ProxyObserver;
import org.cristalise.kernel.graph.layout.DefaultGraphLayoutGenerator;
import org.cristalise.kernel.graph.model.EdgeFactory;
import org.cristalise.kernel.graph.model.VertexFactory;
import org.cristalise.kernel.lifecycle.LifecycleVertexOutlineCreator;
import org.cristalise.kernel.lifecycle.instance.CompositeActivity;
import org.cristalise.kernel.lifecycle.instance.Workflow;
import org.cristalise.kernel.persistency.ClusterStorage;
import org.cristalise.kernel.process.Gateway;
import org.cristalise.kernel.utils.FileStringUtility;
import org.cristalise.kernel.utils.Logger;
public class WorkflowPane extends ItemTabPane implements ProxyObserver
{
// Only for the purpose of loading and saving
protected Workflow mWorkflow = null;
boolean init = false;
TransitionPanel transPanel;
protected JButton mLoadButton = new JButton(ImageLoader.findImage("graph/load.png"));
protected JButton mSaveButton = new JButton(ImageLoader.findImage("graph/save.png"));
protected JButton mLayoutButton = new JButton(ImageLoader.findImage("graph/autolayout.png"));
protected JButton mZoomOutButton = new JButton(ImageLoader.findImage("graph/zoomout.png"));
protected JButton[] mOtherToolBarButtons;
// Workflow factories
protected EdgeFactory mWfEdgeFactory;
protected VertexFactory mWfVertexFactory;
// Graph editor panel
protected EditorPanel mEditorPanel;
// Objects to view/modify the properties of the selected activity
protected VertexPropertyPanel mPropertyPanel;
protected JSplitPane mSplitPane;
// Graph editor panel
// Objects to view/modify the properties of the selected activity
public WorkflowPane()
{
super("Workflow", "Workflow Viewer");
// Workflow factories
mWfEdgeFactory = new WfEdgeFactory();
mWfVertexFactory = new WfVertexFactory();
mZoomOutButton.setToolTipText("Zoom Out");
mLayoutButton.setToolTipText("Auto Layout");
mLoadButton.setToolTipText("Load");
mSaveButton.setToolTipText("Save");
mOtherToolBarButtons = new JButton[] { mZoomOutButton, mLayoutButton, mLoadButton, mSaveButton };
}
protected void createListeners()
{
/**
*
*/
mLoadButton.addActionListener(new ActionListener()
{
@Override
public void actionPerformed(ActionEvent ae)
{
loadWorkflow();
}
});
/**
*
*/
mSaveButton.addActionListener(new ActionListener()
{
@Override
public void actionPerformed(ActionEvent ae)
{
setCursor(new Cursor(Cursor.WAIT_CURSOR));
saveWorkflow();
setCursor(new Cursor(Cursor.DEFAULT_CURSOR));
}
});
/**
*
*/
mLayoutButton.addActionListener(new ActionListener()
{
@Override
public void actionPerformed(ActionEvent ae)
{
DefaultGraphLayoutGenerator.layoutGraph(mEditorPanel.mGraphModelManager.getModel());
}
});
/**
*
*/
mZoomOutButton.addActionListener(new ActionListener()
{
@Override
public void actionPerformed(ActionEvent ae)
{
mEditorPanel.mGraphModelManager.zoomOut();
}
});
}
/**
* Return a single ref on mEditorPanel
*
* @return EditorPanel
*/
public EditorPanel getEditorPanel()
{
if (mEditorPanel == null)
mEditorPanel =
new EditorPanel(
mWfEdgeFactory,
mWfVertexFactory,
new LifecycleVertexOutlineCreator(),
true,
mOtherToolBarButtons,
new WfGraphPanel(new WfDirectedEdgeRenderer(), new WfVertexRenderer()));
return mEditorPanel;
}
public JSplitPane getJSplitPane()
{
if (mSplitPane == null)
{
mSplitPane = new JSplitPane(JSplitPane.HORIZONTAL_SPLIT, getEditorPanel(), getPropertyPanel());
mSplitPane.setDividerSize(5);
if (mWorkflow!=null) {
CompositeActivity domain = (CompositeActivity) mWorkflow.search("workflow/domain");
int minWidth = domain.getChildrenGraphModel().getWidth()+20;
if (mSplitPane.getDividerLocation() < minWidth) mSplitPane.setDividerLocation(minWidth);
}
}
return mSplitPane;
}
@Override
public void add(Workflow contents)
{
mWorkflow = contents;
CompositeActivity domain = (CompositeActivity) mWorkflow.search("workflow/domain");
addActivity(domain);
if (mSplitPane != null) {
int minWidth = domain.getChildrenGraphModel().getWidth()+20;
if (mSplitPane.getDividerLocation() < minWidth) mSplitPane.setDividerLocation(minWidth);
}
}
@Override
public void remove(String id)
{
}
protected void addActivity(CompositeActivity cAct)
{
// Resolve any undefined references in the workflow
mEditorPanel.mGraphModelManager.replace(cAct.getChildrenGraphModel());
// Give the editor panel the edge and vertex types
mEditorPanel.updateVertexTypes(cAct.getWf().getVertexTypeNameAndConstructionInfo());
mEditorPanel.updateEdgeTypes(cAct.getWf().getEdgeTypeNameAndConstructionInfo());
mEditorPanel.enterSelectMode();
mWfVertexFactory.setCreationContext(cAct);
}
@Override
public void run()
{
Thread.currentThread().setName("Workflow Pane Builder");
if (!init)
{
createLayout();
createListeners();
mPropertyPanel.setGraphModelManager(mEditorPanel.mGraphModelManager);
mEditorPanel.setEditable(MainFrame.isAdmin);
init = true;
}
sourceItem.getItem().subscribe(new MemberSubscription(this, ClusterStorage.LIFECYCLE, true));
transPanel.setItem(sourceItem.getItem());
}
@Override
public void reload()
{
Gateway.getStorage().clearCache(sourceItem.getItemPath(), ClusterStorage.LIFECYCLE);
initForItem(sourceItem);
}
protected void createLayout()
{
initPanel();
// Add the editor pane
Box wfPane = Box.createHorizontalBox();
wfPane.add(getJSplitPane());
add(wfPane);
validate();
}
protected void loadWorkflow()
{
File selectedFile = null;
int returnValue = MainFrame.xmlChooser.showOpenDialog(null);
switch (returnValue)
{
case JFileChooser.APPROVE_OPTION :
selectedFile = MainFrame.xmlChooser.getSelectedFile();
try
{
String newWf = FileStringUtility.file2String(selectedFile);
add((Workflow) Gateway.getMarshaller().unmarshall(newWf));
}
catch (Exception e)
{
e.printStackTrace();
}
case JFileChooser.CANCEL_OPTION :
case JFileChooser.ERROR_OPTION :
default :
}
}
protected void saveWorkflow()
{
try
{
CompositeActivity cact = (CompositeActivity)mWorkflow.getWf().search("workflow/domain");
MainFrame.userAgent.execute(
sourceItem.getItem(),
"ReplaceDomainWorkflow",
new String[] { Gateway.getMarshaller().marshall(cact)});
mEditorPanel.mGraphPanel.setSelection(new Selection(null,null,0,0,0,0));
}
catch (Exception e)
{
Logger.error(e);
}
}
public VertexPropertyPanel getPropertyPanel()
{
if (mPropertyPanel == null) {
setNewPropertyPanel();
transPanel = new TransitionPanel();
mPropertyPanel.createLayout(transPanel);
mPropertyPanel.setGraphModelManager(mEditorPanel.mGraphModelManager);
mPropertyPanel.setEditable(MainFrame.isAdmin);
}
return mPropertyPanel;
}
public void setNewPropertyPanel()
{
String wfPanelClass = Gateway.getProperties().getProperty("WfPropertyPanel");
if (wfPanelClass != null)
{
try
{
Class panelClass = Class.forName(wfPanelClass);
mPropertyPanel = (VertexPropertyPanel) panelClass.newInstance();
return;
}
catch (Exception ex)
{
Logger.error("Could not load wf props panel:" + wfPanelClass);
Logger.error(ex);
}
}
mPropertyPanel = new VertexPropertyPanel(false);
}
@Override
public void control(String control, String msg) {
// TODO Auto-generated method stub
}
}
