plugins/org.eclipse.objectteams.otdt.samples/src/org/eclipse/objectteams/otdt/internal/samples/SampleStandbyContent.java - objectteams/org.eclipse.objectteams - Git at Google

 /*******************************************************************************
  * Copyright (c) 2016 GK Software AG, 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:
  *     Stephan Herrmann - initial API and implementation
  *******************************************************************************/
 package org.eclipse.objectteams.otdt.internal.samples;

 import java.io.IOException;
 import java.io.InputStream;
 import java.util.ArrayList;
 import java.util.Properties;
 import org.eclipse.core.resources.*;
 import org.eclipse.core.runtime.*;
 import org.eclipse.jface.viewers.StructuredSelection;
 import org.eclipse.osgi.util.NLS;
 import org.eclipse.swt.SWT;
 import org.eclipse.swt.widgets.Composite;
 import org.eclipse.swt.widgets.Control;
 import org.eclipse.ui.*;
 import org.eclipse.ui.forms.events.HyperlinkAdapter;
 import org.eclipse.ui.forms.events.HyperlinkEvent;
 import org.eclipse.ui.forms.widgets.*;
 import org.eclipse.ui.intro.IIntroPart;
 import org.eclipse.ui.intro.config.IStandbyContentPart;
 import org.eclipse.ui.part.ISetSelectionTarget;

 public class SampleStandbyContent implements IStandbyContentPart {

 	private ScrolledForm form;
 	private Hyperlink moreLink;
 	private String helpURL;
 	private String launcher;
 	private String launchTarget;
 	private FormText descText;
 	private FormText instText;
 	private IConfigurationElement sample;
 	// cached input.
 	private String input;
 	private PDEImages pdeImages;

 	private static String MEMENTO_SAMPLE_ID_ATT = "sampleId"; //$NON-NLS-1$

 	/**
 	 *
 	 */
 	public SampleStandbyContent() {
 		this.pdeImages = PDEImages.connect(this);
 	}

 	@Override
 	public void createPartControl(Composite parent, FormToolkit toolkit) {
 		form = toolkit.createScrolledForm(parent);
 		//form.setBackgroundImage(PDEPlugin.getDefault().getLabelProvider().get(
 		//		PDEPluginImages.DESC_FORM_BANNER));
 		TableWrapLayout layout = new TableWrapLayout();
 		layout.verticalSpacing = 10;
 		layout.topMargin = 10;
 		layout.bottomMargin = 10;
 		layout.leftMargin = 10;
 		layout.rightMargin = 10;
 		form.getBody().setLayout(layout);
 		descText = toolkit.createFormText(form.getBody(), true);
 		descText.setLayoutData(new TableWrapData(TableWrapData.FILL_GRAB));
 		descText.setText("", false, false); //$NON-NLS-1$
 		moreLink = toolkit.createHyperlink(form.getBody(), "Read More", //$NON-NLS-1$
 				SWT.NULL);
 		moreLink.addHyperlinkListener(new HyperlinkAdapter() {
 			@Override
 			public void linkActivated(HyperlinkEvent e) {
 				if (helpURL != null)
 					PlatformUI.getWorkbench().getHelpSystem().displayHelpResource(helpURL);
 			}
 		});
 		instText = toolkit.createFormText(form.getBody(), true);
 		instText.setLayoutData(new TableWrapData(TableWrapData.FILL_GRAB));
 		StringBuffer buf = new StringBuffer();
 		buf.append(Messages.SampleStandbyContent_content);
 		instText.setText(buf.toString(), true, false);

 		final SampleRunner runner = new SampleRunner(sample.getAttribute("id")); //$NON-NLS-1$
 		instText.addHyperlinkListener(new HyperlinkAdapter() {
 			@Override
 			public void linkActivated(HyperlinkEvent e) {
 				Object href = e.getHref();
 				if (href.equals("help")) { //$NON-NLS-1$
 					PlatformUI.getWorkbench().getHelpSystem().displayHelpResource(helpURL);
 				} else if (href.equals("browse")) { //$NON-NLS-1$
 					doBrowse();
 				} else if (href.equals("run")) { //$NON-NLS-1$
 					runner.doRun(launcher, launchTarget, false);
 				} else if (href.equals("debug")) { //$NON-NLS-1$
 					runner.doRun(launcher, launchTarget, true);
 				}
 			}
 		});
 		instText.setImage("run", pdeImages.get( PDEImages.DESC_RUN_EXC)); //$NON-NLS-1$
 		instText.setImage("debug", pdeImages.get(PDEImages.DESC_DEBUG_EXC)); //$NON-NLS-1$
 		instText.setImage("help", PlatformUI.getWorkbench().getSharedImages() //$NON-NLS-1$
 				.getImage(ISharedImages.IMG_OBJS_INFO_TSK));
 	}

 	private void doBrowse() {
 		IWorkspaceRoot root = ResourcesPlugin.getWorkspace().getRoot();
 		IProject[] projects = root.getProjects();
 		ISetSelectionTarget target = findTarget();
 		if (target == null)
 			return;
 		String sid = sample.getAttribute("id"); //$NON-NLS-1$
 		if (sid == null)
 			return;
 		ArrayList<IResource> items = new ArrayList<>();
 		for (int i = 0; i < projects.length; i++) {
 			IProject project = projects[i];
 			if (!project.exists() || !project.isOpen())
 				continue;
 			IFile pfile = project.getFile("sample.properties"); //$NON-NLS-1$
 			if (pfile.exists()) {
 				try {
 					InputStream is = pfile.getContents();
 					Properties prop = new Properties();
 					prop.load(is);
 					is.close();
 					String id = prop.getProperty("id"); //$NON-NLS-1$
 					if (id != null && id.equals(sid)) {
 						//match
 						IResource res = findSelectReveal(project, prop.getProperty("projectName")); //$NON-NLS-1$
 						if (res != null)
 							items.add(res);
 					}
 				} catch (IOException e) {
 					OTSamplesPlugin.logException(e, null, null);
 				} catch (CoreException e) {
 					OTSamplesPlugin.logException(e, null, null);
 				}
 			}
 		}
 		if (items.size() > 0)
 			target.selectReveal(new StructuredSelection(items));
 	}

 	private ISetSelectionTarget findTarget() {
 		String id = sample.getAttribute("targetViewId"); //$NON-NLS-1$
 		if (id == null)
 			return null;
 		IViewPart view = OTSamplesPlugin.getActivePage().findView(id);
 		if (view == null || !(view instanceof ISetSelectionTarget))
 			return null;
 		return (ISetSelectionTarget) view;
 	}

 	private IResource findSelectReveal(IProject project, String originalName) {
 		IConfigurationElement[] projects = sample.getChildren("project"); //$NON-NLS-1$
 		for (int i = 0; i < projects.length; i++) {
 			if (originalName.equals(projects[i].getAttribute("name"))) { //$NON-NLS-1$
 				String path = projects[i].getAttribute("selectReveal"); //$NON-NLS-1$
 				if (path == null)
 					continue;
 				IResource res = project.findMember(path);
 				if (res != null && res.exists())
 					return res;
 			}
 		}
 		return null;
 	}

 	@Override
 	public Control getControl() {
 		return form;
 	}

 	public void init(IIntroPart introPart) {
 	}

 	@Override
 	public void setInput(Object input) {
 		// if the new input is null, use cached input from momento.
 		if (input != null)
 			this.input = (String) input;
 		String sampleId = this.input.toString();
 		IConfigurationElement[] samples = Platform.getExtensionRegistry().getConfigurationElementsFor("org.eclipse.pde.ui.samples"); //$NON-NLS-1$
 		for (int i = 0; i < samples.length; i++) {
 			IConfigurationElement sample = samples[i];
 			String id = sample.getAttribute("id"); //$NON-NLS-1$
 			if (id != null && id.equals(sampleId)) {
 				update(sample);
 				return;
 			}
 		}
 		update(null);
 	}

 	private void update(IConfigurationElement sample) {
 		this.sample = sample;
 		if (form == null)
 			return;
 		String title = sample != null ? sample.getAttribute("name") : ""; //$NON-NLS-1$ //$NON-NLS-2$
 		form.setText(title);
 		if (sample != null) {
 			launcher = sample.getAttribute("launcher"); //$NON-NLS-1$
 			launchTarget = sample.getAttribute("launchTarget"); //$NON-NLS-1$
 		} else {
 			launcher = null;
 			launchTarget = null;
 		}
 		IConfigurationElement[] descConfig = sample != null ? sample.getChildren("description") : null; //$NON-NLS-1$
 		if (descConfig != null && descConfig.length == 1) {
 			String desc = descConfig[0].getValue();
 			String content = NLS.bind(Messages.SampleStandbyContent_desc, (desc != null ? desc : "")); //$NON-NLS-1$
 			helpURL = descConfig[0].getAttribute("helpHref"); //$NON-NLS-1$
 			moreLink.setVisible(helpURL != null);
 			descText.setText(content, true, false);
 		} else {
 			moreLink.setVisible(false);
 			descText.setText("", false, false); //$NON-NLS-1$
 		}
 		form.reflow(true);
 	}

 	@Override
 	public void setFocus() {
 		form.setFocus();
 	}

 	@Override
 	public void dispose() {
 		pdeImages.disconnect(this);
 	}

 	@Override
 	public void init(IIntroPart introPart, IMemento memento) {
 		// try to restore last state.
 		input = getCachedInput(memento);

 	}

 	/**
 	* Tries to create the last content part viewed, based on sample id.
 	*
 	* @param memento
 	*/
 	private String getCachedInput(IMemento memento) {
 		if (memento == null)
 			return null;
 		return memento.getString(MEMENTO_SAMPLE_ID_ATT);

 	}

 	@Override
 	public void saveState(IMemento memento) {
 		String currentSampleId = input;
 		if (input != null)
 			memento.putString(MEMENTO_SAMPLE_ID_ATT, currentSampleId);

 	}
 }
	/*******************************************************************************
	* Copyright (c) 2016 GK Software AG, 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:
	* Stephan Herrmann - initial API and implementation
	*******************************************************************************/
	package org.eclipse.objectteams.otdt.internal.samples;

	import java.io.IOException;
	import java.io.InputStream;
	import java.util.ArrayList;
	import java.util.Properties;
	import org.eclipse.core.resources.*;
	import org.eclipse.core.runtime.*;
	import org.eclipse.jface.viewers.StructuredSelection;
	import org.eclipse.osgi.util.NLS;
	import org.eclipse.swt.SWT;
	import org.eclipse.swt.widgets.Composite;
	import org.eclipse.swt.widgets.Control;
	import org.eclipse.ui.*;
	import org.eclipse.ui.forms.events.HyperlinkAdapter;
	import org.eclipse.ui.forms.events.HyperlinkEvent;
	import org.eclipse.ui.forms.widgets.*;
	import org.eclipse.ui.intro.IIntroPart;
	import org.eclipse.ui.intro.config.IStandbyContentPart;
	import org.eclipse.ui.part.ISetSelectionTarget;

	public class SampleStandbyContent implements IStandbyContentPart {

	private ScrolledForm form;
	private Hyperlink moreLink;
	private String helpURL;
	private String launcher;
	private String launchTarget;
	private FormText descText;
	private FormText instText;
	private IConfigurationElement sample;
	// cached input.
	private String input;
	private PDEImages pdeImages;

	private static String MEMENTO_SAMPLE_ID_ATT = "sampleId"; //$NON-NLS-1$

	/**
	*
	*/
	public SampleStandbyContent() {
	this.pdeImages = PDEImages.connect(this);
	}

	@Override
	public void createPartControl(Composite parent, FormToolkit toolkit) {
	form = toolkit.createScrolledForm(parent);
	//form.setBackgroundImage(PDEPlugin.getDefault().getLabelProvider().get(
	// PDEPluginImages.DESC_FORM_BANNER));
	TableWrapLayout layout = new TableWrapLayout();
	layout.verticalSpacing = 10;
	layout.topMargin = 10;
	layout.bottomMargin = 10;
	layout.leftMargin = 10;
	layout.rightMargin = 10;
	form.getBody().setLayout(layout);
	descText = toolkit.createFormText(form.getBody(), true);
	descText.setLayoutData(new TableWrapData(TableWrapData.FILL_GRAB));
	descText.setText("", false, false); //$NON-NLS-1$
	moreLink = toolkit.createHyperlink(form.getBody(), "Read More", //$NON-NLS-1$
	SWT.NULL);
	moreLink.addHyperlinkListener(new HyperlinkAdapter() {
	@Override
	public void linkActivated(HyperlinkEvent e) {
	if (helpURL != null)
	PlatformUI.getWorkbench().getHelpSystem().displayHelpResource(helpURL);
	}
	});
	instText = toolkit.createFormText(form.getBody(), true);
	instText.setLayoutData(new TableWrapData(TableWrapData.FILL_GRAB));
	StringBuffer buf = new StringBuffer();
	buf.append(Messages.SampleStandbyContent_content);
	instText.setText(buf.toString(), true, false);

	final SampleRunner runner = new SampleRunner(sample.getAttribute("id")); //$NON-NLS-1$
	instText.addHyperlinkListener(new HyperlinkAdapter() {
	@Override
	public void linkActivated(HyperlinkEvent e) {
	Object href = e.getHref();
	if (href.equals("help")) { //$NON-NLS-1$
	PlatformUI.getWorkbench().getHelpSystem().displayHelpResource(helpURL);
	} else if (href.equals("browse")) { //$NON-NLS-1$
	doBrowse();
	} else if (href.equals("run")) { //$NON-NLS-1$
	runner.doRun(launcher, launchTarget, false);
	} else if (href.equals("debug")) { //$NON-NLS-1$
	runner.doRun(launcher, launchTarget, true);
	}
	}
	});
	instText.setImage("run", pdeImages.get( PDEImages.DESC_RUN_EXC)); //$NON-NLS-1$
	instText.setImage("debug", pdeImages.get(PDEImages.DESC_DEBUG_EXC)); //$NON-NLS-1$
	instText.setImage("help", PlatformUI.getWorkbench().getSharedImages() //$NON-NLS-1$
	.getImage(ISharedImages.IMG_OBJS_INFO_TSK));
	}

	private void doBrowse() {
	IWorkspaceRoot root = ResourcesPlugin.getWorkspace().getRoot();
	IProject[] projects = root.getProjects();
	ISetSelectionTarget target = findTarget();
	if (target == null)
	return;
	String sid = sample.getAttribute("id"); //$NON-NLS-1$
	if (sid == null)
	return;
	ArrayList<IResource> items = new ArrayList<>();
	for (int i = 0; i < projects.length; i++) {
	IProject project = projects[i];
	if (!project.exists() \|\| !project.isOpen())
	continue;
	IFile pfile = project.getFile("sample.properties"); //$NON-NLS-1$
	if (pfile.exists()) {
	try {
	InputStream is = pfile.getContents();
	Properties prop = new Properties();
	prop.load(is);
	is.close();
	String id = prop.getProperty("id"); //$NON-NLS-1$
	if (id != null && id.equals(sid)) {
	//match
	IResource res = findSelectReveal(project, prop.getProperty("projectName")); //$NON-NLS-1$
	if (res != null)
	items.add(res);
	}
	} catch (IOException e) {
	OTSamplesPlugin.logException(e, null, null);
	} catch (CoreException e) {
	OTSamplesPlugin.logException(e, null, null);
	}
	}
	}
	if (items.size() > 0)
	target.selectReveal(new StructuredSelection(items));
	}

	private ISetSelectionTarget findTarget() {
	String id = sample.getAttribute("targetViewId"); //$NON-NLS-1$
	if (id == null)
	return null;
	IViewPart view = OTSamplesPlugin.getActivePage().findView(id);
	if (view == null \|\| !(view instanceof ISetSelectionTarget))
	return null;
	return (ISetSelectionTarget) view;
	}

	private IResource findSelectReveal(IProject project, String originalName) {
	IConfigurationElement[] projects = sample.getChildren("project"); //$NON-NLS-1$
	for (int i = 0; i < projects.length; i++) {
	if (originalName.equals(projects[i].getAttribute("name"))) { //$NON-NLS-1$
	String path = projects[i].getAttribute("selectReveal"); //$NON-NLS-1$
	if (path == null)
	continue;
	IResource res = project.findMember(path);
	if (res != null && res.exists())
	return res;
	}
	}
	return null;
	}

	@Override
	public Control getControl() {
	return form;
	}

	public void init(IIntroPart introPart) {
	}

	@Override
	public void setInput(Object input) {
	// if the new input is null, use cached input from momento.
	if (input != null)
	this.input = (String) input;
	String sampleId = this.input.toString();
	IConfigurationElement[] samples = Platform.getExtensionRegistry().getConfigurationElementsFor("org.eclipse.pde.ui.samples"); //$NON-NLS-1$
	for (int i = 0; i < samples.length; i++) {
	IConfigurationElement sample = samples[i];
	String id = sample.getAttribute("id"); //$NON-NLS-1$
	if (id != null && id.equals(sampleId)) {
	update(sample);
	return;
	}
	}
	update(null);
	}

	private void update(IConfigurationElement sample) {
	this.sample = sample;
	if (form == null)
	return;
	String title = sample != null ? sample.getAttribute("name") : ""; //$NON-NLS-1$ //$NON-NLS-2$
	form.setText(title);
	if (sample != null) {
	launcher = sample.getAttribute("launcher"); //$NON-NLS-1$
	launchTarget = sample.getAttribute("launchTarget"); //$NON-NLS-1$
	} else {
	launcher = null;
	launchTarget = null;
	}
	IConfigurationElement[] descConfig = sample != null ? sample.getChildren("description") : null; //$NON-NLS-1$
	if (descConfig != null && descConfig.length == 1) {
	String desc = descConfig[0].getValue();
	String content = NLS.bind(Messages.SampleStandbyContent_desc, (desc != null ? desc : "")); //$NON-NLS-1$
	helpURL = descConfig[0].getAttribute("helpHref"); //$NON-NLS-1$
	moreLink.setVisible(helpURL != null);
	descText.setText(content, true, false);
	} else {
	moreLink.setVisible(false);
	descText.setText("", false, false); //$NON-NLS-1$
	}
	form.reflow(true);
	}

	@Override
	public void setFocus() {
	form.setFocus();
	}

	@Override
	public void dispose() {
	pdeImages.disconnect(this);
	}

	@Override
	public void init(IIntroPart introPart, IMemento memento) {
	// try to restore last state.
	input = getCachedInput(memento);

	}

	/**
	* Tries to create the last content part viewed, based on sample id.
	*
	* @param memento
	*/
	private String getCachedInput(IMemento memento) {
	if (memento == null)
	return null;
	return memento.getString(MEMENTO_SAMPLE_ID_ATT);

	}

	@Override
	public void saveState(IMemento memento) {
	String currentSampleId = input;
	if (input != null)
	memento.putString(MEMENTO_SAMPLE_ID_ATT, currentSampleId);

	}
	}