bundles/org.eclipse.wst.xsl.debug.ui/src/org/eclipse/wst/xsl/internal/debug/ui/tabs/main/InputFileBlock.java

/*******************************************************************************
 * Copyright (c) 2007 Chase Technology Ltd - http://www.chasetechnology.co.uk
 * 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:
 *     Doug Satchwell (Chase Technology Ltd) - initial API and implementation
 *     Stuart Harper - added "open files" selector
 *******************************************************************************/
package org.eclipse.wst.xsl.internal.debug.ui.tabs.main;

import org.eclipse.core.resources.IFile;
import org.eclipse.core.resources.IResource;
import org.eclipse.core.runtime.CoreException;
import org.eclipse.core.runtime.IPath;
import org.eclipse.core.runtime.Path;
import org.eclipse.core.variables.IStringVariableManager;
import org.eclipse.core.variables.VariablesPlugin;
import org.eclipse.debug.core.ILaunchConfiguration;
import org.eclipse.debug.core.ILaunchConfigurationWorkingCopy;
import org.eclipse.wst.xsl.internal.debug.ui.Messages;
import org.eclipse.wst.xsl.internal.debug.ui.ResourceSelectionBlock;
import org.eclipse.wst.xsl.internal.debug.ui.XSLDebugUIPlugin;
import org.eclipse.wst.xsl.launching.XSLLaunchConfigurationConstants;

public class InputFileBlock extends ResourceSelectionBlock {
	private final IFile defaultFile;

	public InputFileBlock(IFile defaultFile) {
		super(IResource.FILE, false);
		this.defaultFile = defaultFile;
	}

	public void setDefaults(ILaunchConfigurationWorkingCopy configuration) {
		String path = ""; //$NON-NLS-1$
		if (defaultFile != null)
			path = VariablesPlugin
					.getDefault()
					.getStringVariableManager()
					.generateVariableExpression(
							"workspace_loc", defaultFile.getFullPath().toPortableString()); //$NON-NLS-1$
		configuration.setAttribute(
				XSLLaunchConfigurationConstants.ATTR_INPUT_FILE, path);
	}

	public void initializeFrom(ILaunchConfiguration configuration) {
		setLaunchConfiguration(configuration);
		try {
			String wd = configuration.getAttribute(
					XSLLaunchConfigurationConstants.ATTR_INPUT_FILE,
					(String) null);
			if (wd != null) {
				setText(wd);
			}
		} catch (CoreException e) {
			setErrorMessage(Messages.InputFileBlock_Exception_occurred_reading_configuration
					+ e.getStatus().getMessage());
			XSLDebugUIPlugin.log(e);
		}
	}

	public void performApply(ILaunchConfigurationWorkingCopy configuration) {
		configuration.setAttribute(
				XSLLaunchConfigurationConstants.ATTR_INPUT_FILE, getText());
	}

	public String getName() {
		return Messages.InputFileBlock_Name;
	}

	@Override
	protected void textModified() {
		IPath path = null;
		String workingDirPath = getText();
		if (workingDirPath.indexOf("${") >= 0) //$NON-NLS-1$
		{
			IStringVariableManager manager = VariablesPlugin.getDefault()
					.getStringVariableManager();
			try {
				manager.validateStringVariables(workingDirPath);
				path = new Path(manager
						.performStringSubstitution(workingDirPath));
			} catch (CoreException e) {
			}
		} else if (workingDirPath.length() > 0) {
			path = new Path(workingDirPath);
		}
	}

	@Override
	protected String getMessage(int type) {
		switch (type) {
		case ERROR_DIRECTORY_NOT_SPECIFIED:
			return Messages.InputFileBlock_DIRECTORY_NOT_SPECIFIED;
		case ERROR_DIRECTORY_DOES_NOT_EXIST:
			return Messages.InputFileBlock_DIRECTORY_DOES_NOT_EXIST;
		case GROUP_NAME:
			return Messages.InputFileBlock_GROUP_NAME;
		case USE_DEFAULT_RADIO:
			return Messages.InputFileBlock_DEFAULT_RADIO;
		case USE_OTHER_RADIO:
			return Messages.InputFileBlock_OTHER_RADIO;
		case DIRECTORY_DIALOG_MESSAGE:
			return Messages.InputFileBlock_DIALOG_MESSAGE;
		case WORKSPACE_DIALOG_MESSAGE:
			return Messages.InputFileBlock_WORKSPACE_DIALOG_MESSAGE;
		case VARIABLES_BUTTON:
			return Messages.InputFileBlock_VARIABLES_BUTTON;
		case FILE_SYSTEM_BUTTON:
			return Messages.InputFileBlock_FILE_SYSTEM_BUTTON;
		case WORKSPACE_BUTTON:
			return Messages.InputFileBlock_WORKSPACE_BUTTON;
		case WORKSPACE_DIALOG_TITLE:
			return Messages.InputFileBlock_WORKSPACE_DIALOG_TITLE;
		case OPENFILES_BUTTON:
			return Messages.InputFileBlock_OPENFILES_BUTTON;
		case OPENFILES_DIALOG_TITLE:
			return Messages.InputFileBlock_OPENFILES_DIALOG;
		}
		return "" + type; //$NON-NLS-1$
	}

	@Override
	protected void updateResourceText(boolean useDefault) {
	}
}