OclLaunchConfigurationMainTab.java

/**
 * <copyright>
 * </copyright>
 *
 * 
 */
package org.dresdenocl.debug.ui.launch;

import org.dresdenocl.debug.ui.OclDebugUIPlugin;
import org.dresdenocl.language.ocl.resource.ocl.mopp.OclMetaInformation;
import org.eclipse.core.resources.IFile;
import org.eclipse.ui.dialogs.ElementTreeSelectionDialog;
import org.eclipse.ui.model.WorkbenchContentProvider;
import org.eclipse.ui.model.WorkbenchLabelProvider;

/**
 * A class that provides the main tab to parameterize launch configurations. Set
 * the overrideLaunchConfigurationMainTab option to false to customize this
 * class.
 */
public class OclLaunchConfigurationMainTab extends
		org.eclipse.debug.ui.AbstractLaunchConfigurationTab {

	private org.eclipse.swt.widgets.Label uriLabel;
	private org.eclipse.swt.widgets.Text uriText;
	private org.eclipse.swt.widgets.Button workspaceButton;
	private org.eclipse.swt.widgets.Button fileSystemButton;

	public void createControl(org.eclipse.swt.widgets.Composite parent) {

		org.eclipse.swt.widgets.Composite comp =
				new org.eclipse.swt.widgets.Composite(parent, org.eclipse.swt.SWT.NONE);
		org.eclipse.swt.layout.GridLayout layout =
				new org.eclipse.swt.layout.GridLayout(1, true);
		comp.setLayout(layout);

		org.eclipse.swt.layout.GridData gd =
				new org.eclipse.swt.layout.GridData(
						org.eclipse.swt.layout.GridData.FILL_BOTH);
		gd.grabExcessHorizontalSpace = true;
		gd.horizontalAlignment = org.eclipse.swt.SWT.FILL;
		comp.setLayoutData(gd);

		org.eclipse.swt.widgets.Group group =
				new org.eclipse.swt.widgets.Group(comp, org.eclipse.swt.SWT.NONE);
		group.setText("Launch parameters");
		group.setLayout(new org.eclipse.swt.layout.GridLayout(3, false));
		gd = new org.eclipse.swt.layout.GridData();
		gd.grabExcessHorizontalSpace = true;
		gd.horizontalAlignment = org.eclipse.swt.SWT.FILL;
		group.setLayoutData(gd);

		uriLabel =
				new org.eclipse.swt.widgets.Label(group, org.eclipse.swt.SWT.NONE);
		uriLabel.setText("Resource to execute:");
		gd = new org.eclipse.swt.layout.GridData();
		uriLabel.setLayoutData(gd);

		uriText =
				new org.eclipse.swt.widgets.Text(group, org.eclipse.swt.SWT.SINGLE
						| org.eclipse.swt.SWT.BORDER);
		uriText.setLayoutData(new org.eclipse.swt.layout.GridData(
				org.eclipse.swt.layout.GridData.FILL_HORIZONTAL));
		uriText.addModifyListener(new org.eclipse.swt.events.ModifyListener() {

			public void modifyText(org.eclipse.swt.events.ModifyEvent evt) {

				updateLaunchConfigurationDialog();
			}
		});
		gd = new org.eclipse.swt.layout.GridData();
		gd.grabExcessHorizontalSpace = true;
		gd.horizontalAlignment = org.eclipse.swt.SWT.FILL;
		gd.horizontalSpan = 2;
		uriText.setLayoutData(gd);

		workspaceButton =
				new org.eclipse.swt.widgets.Button(group, org.eclipse.swt.SWT.PUSH);
		workspaceButton.setText("Workspace...");
		workspaceButton
				.addSelectionListener(new org.eclipse.swt.events.SelectionAdapter() {

					public void widgetSelected(org.eclipse.swt.events.SelectionEvent event) {

						handleBrowseWorkspace();
					}

				});
		gd = new org.eclipse.swt.layout.GridData();
		gd.grabExcessHorizontalSpace = true;
		gd.horizontalAlignment = org.eclipse.swt.SWT.RIGHT;
		gd.horizontalSpan = 2;
		workspaceButton.setLayoutData(gd);

		fileSystemButton =
				new org.eclipse.swt.widgets.Button(group, org.eclipse.swt.SWT.PUSH);
		fileSystemButton.setText("File System...");
		fileSystemButton
				.addSelectionListener(new org.eclipse.swt.events.SelectionAdapter() {

					public void widgetSelected(org.eclipse.swt.events.SelectionEvent event) {

						handleBrowseFileSystem();
					}

				});
		gd = new org.eclipse.swt.layout.GridData();
		gd.horizontalAlignment = org.eclipse.swt.SWT.RIGHT;
		fileSystemButton.setLayoutData(gd);

		setControl(comp);
	}

	public void setDefaults(
			org.eclipse.debug.core.ILaunchConfigurationWorkingCopy configuration) {

	}

	public void initializeFrom(
			org.eclipse.debug.core.ILaunchConfiguration configuration) {

		try {
			uriText.setText(configuration.getAttribute(OclDebugUIPlugin.OCL_URI, ""));
			// more initialization code can be added here
		} catch (org.eclipse.core.runtime.CoreException e) {
			org.dresdenocl.language.ocl.resource.ocl.mopp.OclPlugin.logError(
					"Can't initialize launch configuration tab.", e);
		}
	}

	public void performApply(
			org.eclipse.debug.core.ILaunchConfigurationWorkingCopy configuration) {

		configuration.setAttribute(OclDebugUIPlugin.OCL_URI, uriText.getText());
	}

	public String getName() {

		return "Main";
	}

	@Override
	public org.eclipse.swt.graphics.Image getImage() {

		// return
		// org.dresdenocl.language.ocl.resource.ocl.ui.OclImageProvider.INSTANCE.getImage("icons/launch_tab_main_icon.gif");
		return null;
	}

	protected void handleBrowseFileSystem() {

		org.eclipse.swt.widgets.FileDialog dialog =
				new org.eclipse.swt.widgets.FileDialog(getControl().getShell());
		dialog.setText("Select resource to launch");
		String result = dialog.open();
		if (result != null) {
			uriText.setText(org.eclipse.emf.common.util.URI.createFileURI(result)
					.toString());
		}
	}

	protected void handleBrowseWorkspace() {

		ElementTreeSelectionDialog dialog =
				new ElementTreeSelectionDialog(getControl().getShell(),
						new WorkbenchLabelProvider(), new WorkbenchContentProvider());

		dialog.setInput(org.eclipse.core.resources.ResourcesPlugin.getWorkspace()
				.getRoot());
		dialog.addFilter(new org.eclipse.jface.viewers.ViewerFilter() {

			@Override
			public boolean select(org.eclipse.jface.viewers.Viewer viewer,
					Object parentElement, Object element) {

				if (element instanceof IFile) {
					org.eclipse.core.resources.IFile file =
							(org.eclipse.core.resources.IFile) element;
					return file.getFileExtension().equals(
							new OclMetaInformation().getSyntaxName());
				}
				return true;
			}
		});
		dialog.setAllowMultiple(false);
		dialog.setTitle("Select model to launch");
		dialog.setMessage("Resource to launch");
		dialog.setValidator(new org.eclipse.ui.dialogs.ISelectionStatusValidator() {

			public org.eclipse.core.runtime.IStatus validate(Object[] selection) {

				if (selection.length > 0
						&& selection[0] instanceof org.eclipse.core.resources.IFile)
					return new org.eclipse.core.runtime.Status(
							org.eclipse.core.runtime.IStatus.OK, OclDebugUIPlugin.PLUGIN_ID,
							org.eclipse.core.runtime.IStatus.OK, "", null);

				return new org.eclipse.core.runtime.Status(
						org.eclipse.core.runtime.IStatus.ERROR, OclDebugUIPlugin.PLUGIN_ID,
						org.eclipse.core.runtime.IStatus.ERROR, "", null);
			}
		});
		if (dialog.open() == org.eclipse.jface.window.Window.OK) {
			org.eclipse.core.resources.IFile file =
					(org.eclipse.core.resources.IFile) dialog.getFirstResult();
			uriText.setText(org.eclipse.emf.common.util.URI
					.createPlatformResourceURI(
							file.getFullPath().makeRelative().toString(), true).toString());
		}
	}

}