plugins/org.eclipse.jem.ui/beaninfoui/org/eclipse/jem/internal/beaninfo/ui/VariableSelectionBlock.java - gerrit/jeetools/webtools.javaee - Git at Google

 /*******************************************************************************
  * Copyright (c) 2003, 2005 IBM Corporation 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:
  *     IBM Corporation - initial API and implementation
  *******************************************************************************/
 package org.eclipse.jem.internal.beaninfo.ui;

 import java.util.List;

 import org.eclipse.core.runtime.*;
 import org.eclipse.jdt.core.JavaCore;
 import org.eclipse.jdt.ui.wizards.BuildPathDialogAccess;
 import org.eclipse.swt.SWT;
 import org.eclipse.swt.custom.CLabel;
 import org.eclipse.swt.events.*;
 import org.eclipse.swt.layout.GridData;
 import org.eclipse.swt.layout.GridLayout;
 import org.eclipse.swt.widgets.*;
 import org.eclipse.ui.PlatformUI;
 /*
  *  $RCSfile: VariableSelectionBlock.java,v $
  *  $Revision: 1.8 $  $Date: 2005/12/14 21:24:10 $
  */

 public class VariableSelectionBlock {


 	private List fExistingPaths;

 	private Label variableFieldLabel;
 	private Text variableFieldText;
 	private Button variableFieldButton;
 	private String variableFieldTextContent;

 	private Label extensionFieldLabel;
 	private Text extensionFieldText;
 	private Button extensionFieldButton;
 	private String extensionFieldTextContent;

 	private CLabel fFullPath;

 	private IStatus fVariableStatus;
 	private IStatus fExistsStatus;
 	private IStatus fExtensionStatus;

 	private String fVariable;
 	private IStatusChangeListener fContext;

 	private boolean fIsEmptyAllowed;

 	/**
 	 * Constructor for VariableSelectionBlock
 	 */
 	public VariableSelectionBlock(IStatusChangeListener context, List existingPaths, IPath varPath, String lastVarSelection, boolean emptyAllowed) {
 		fContext= context;
 		fExistingPaths= existingPaths;
 		fIsEmptyAllowed= emptyAllowed;
 		fExistsStatus= StatusHelper.OK_STATUS;

 		//VariableSelectionAdapter adapter= new VariableSelectionAdapter();

 		if (varPath != null) {
 			variableFieldTextContent = varPath.segment(0);
 			extensionFieldTextContent = varPath.removeFirstSegments(1).toString();
 		} else {
 			variableFieldTextContent = ""; //$NON-NLS-1$
 			extensionFieldTextContent = ""; //$NON-NLS-1$
 		}
 		updateFullTextField();
 		fVariableStatus= variableUpdated();
 		fExtensionStatus=extensionUpdated();
 	}

 	public IPath getVariablePath() {
 		if (fVariable != null) {
 			return new Path(fVariable).append(extensionFieldTextContent);
 		}
 		return null;
 	}

 	public IPath getResolvedPath() {
 		if (fVariable != null) {
 			IPath entryPath= JavaCore.getClasspathVariable(fVariable);
 			if (entryPath != null) {
 				return entryPath.append(extensionFieldTextContent);
 			}
 		}
 		return null;
 	}

 	public void setFocus(Display display) {
 		display.asyncExec(new Runnable(){
 			public void run() {
 				variableFieldText.setFocus();
 			}
 		});
 	}


 	public Control createControl(Composite parent) {
 		Composite inner= new Composite(parent, SWT.NONE);
 		inner.setLayout(new GridLayout(3, false));
 		GridData gd = new GridData(GridData.FILL_BOTH);
 		inner.setLayoutData(gd);

 		variableFieldLabel = new Label(inner, SWT.NONE);
 		variableFieldLabel.setText(BeanInfoUIMessages.VariableSelectionBlock_variable_label);
 		variableFieldLabel.setLayoutData(new GridData());
 		variableFieldText = new Text(inner, SWT.BORDER|SWT.SINGLE);
 		variableFieldText.setText(variableFieldTextContent);
 		gd = new GridData(GridData.FILL_HORIZONTAL);
 		gd.widthHint = 200;
 		variableFieldText.setLayoutData(gd);
 		variableFieldText.addModifyListener(new ModifyListener(){
 			public void modifyText(ModifyEvent e) {
 				variableFieldTextContent = variableFieldText.getText();
 				fVariableStatus = variableUpdated();
 				fExistsStatus= getExistsStatus();
 				updateFullTextField();
 				fContext.statusChanged(StatusHelper.getMostSevere(new IStatus[] { fVariableStatus, fExtensionStatus, fExistsStatus }));
 			}
 		});
 		variableFieldButton = new Button(inner, SWT.PUSH);
 		variableFieldButton.setText(BeanInfoUIMessages.VariableSelectionBlock_variable_button);
 		variableFieldButton.setLayoutData(new GridData());
 		variableFieldButton.addSelectionListener(new SelectionAdapter(){
 			public void widgetSelected(SelectionEvent e) {
 				String variable= chooseVariable();
 				if (variable != null) {
 					variableFieldText.setText(variable);
 				}
 			}
 		});

 		extensionFieldLabel = new Label(inner, SWT.NONE);
 		extensionFieldLabel.setText(BeanInfoUIMessages.VariableSelectionBlock_extension_label);
 		extensionFieldLabel.setLayoutData(new GridData());
 		extensionFieldText = new Text(inner, SWT.BORDER|SWT.SINGLE);
 		extensionFieldText.setText(variableFieldTextContent);
 		extensionFieldText.setLayoutData(new GridData(GridData.FILL_HORIZONTAL));
 		extensionFieldText.addModifyListener(new ModifyListener(){
 			public void modifyText(ModifyEvent e) {
 				extensionFieldTextContent = extensionFieldText.getText();
 				fExtensionStatus= extensionUpdated();
 				fExistsStatus= getExistsStatus();
 				updateFullTextField();
 				fContext.statusChanged(StatusHelper.getMostSevere(new IStatus[] { fVariableStatus, fExtensionStatus, fExistsStatus }));
 			}
 		});
 		extensionFieldButton = new Button(inner, SWT.PUSH);
 		extensionFieldButton.setText(BeanInfoUIMessages.VariableSelectionBlock_extension_button);
 		extensionFieldButton.setLayoutData(new GridData());
 		extensionFieldButton.setEnabled(fVariable!=null);
 		extensionFieldButton.addSelectionListener(new SelectionAdapter(){
 			public void widgetSelected(SelectionEvent e) {
 				IPath filePath= chooseExtJar();
 				if (filePath != null) {
 					extensionFieldText.setText(filePath.toString());
 				}
 			}
 		});

 		Label label= new Label(inner, SWT.LEFT);
 		label.setLayoutData(new GridData());
 		label.setText(BeanInfoUIMessages.VariableSelectionBlock_fullpath_label);

 		fFullPath= new CLabel(inner, SWT.NONE);
 		gd = new GridData(GridData.HORIZONTAL_ALIGN_FILL);
 		gd.horizontalSpan=2;
 		fFullPath.setLayoutData(gd);

 		updateFullTextField();

 		setFocus(parent.getDisplay());

 		return inner;
 	}

 	private IStatus variableUpdated() {
 		fVariable= null;

 		IStatus status= StatusHelper.OK_STATUS;

 		String name = variableFieldTextContent;
 		if (name.length() == 0) {
 			if (!fIsEmptyAllowed) {
 				status = StatusHelper.createStatus(IStatus.ERROR, BeanInfoUIMessages.VariableSelectionBlock_error_entername_ERROR_);
 			} else {
 				fVariable= ""; //$NON-NLS-1$
 			}
 		} else if (JavaCore.getClasspathVariable(name) == null) {
 			status = StatusHelper.createStatus(IStatus.ERROR, BeanInfoUIMessages.VariableSelectionBlock_error_namenotexists_ERROR_);
 		} else {
 			fVariable= name;
 		}
 		if(extensionFieldButton!=null)
 			extensionFieldButton.setEnabled(fVariable != null);
 		return status;
 	}

 	private IStatus extensionUpdated() {
 		IStatus status= StatusHelper.OK_STATUS;
 		String extension = extensionFieldTextContent;
 		if (extension.length() > 0 && !Path.ROOT.isValidPath(extension)) {
 			status = StatusHelper.createStatus(IStatus.ERROR, BeanInfoUIMessages.VariableSelectionBlock_error_invalidextension_ERROR_);
 		}
 		return status;
 	}

 	private IStatus getExistsStatus() {
 		IStatus status = StatusHelper.OK_STATUS;
 		IPath path= getResolvedPath();
 		if (path != null) {
 			if (findPath(path)) {
 				status = StatusHelper.createStatus(IStatus.ERROR,  BeanInfoUIMessages.VariableSelectionBlock_error_pathexists_ERROR_);
 			} else if (!path.toFile().isFile()) {
 				status = StatusHelper.createStatus(IStatus.WARNING,  BeanInfoUIMessages.VariableSelectionBlock_warning_pathnotexists_WARN_);
 			}
 		} else {
 			status = StatusHelper.createStatus(IStatus.WARNING,  BeanInfoUIMessages.VariableSelectionBlock_warning_pathnotexists_WARN_);
 		}
 		return status;
 	}

 	private boolean findPath(IPath path) {
 		for (int i= fExistingPaths.size() -1; i >=0; i--) {
 			IPath curr= (IPath) fExistingPaths.get(i);
 			if (curr.equals(path)) {
 				return true;
 			}
 		}
 		return false;
 	}

 	private void updateFullTextField() {
 		if (fFullPath != null && !fFullPath.isDisposed()) {
 			IPath resolvedPath= getResolvedPath();
 			if (resolvedPath != null) {
 				fFullPath.setText(resolvedPath.toOSString());
 			} else {
 				fFullPath.setText(""); //$NON-NLS-1$
 			}
 		}
 	}

 	private Shell getShell() {
 		if (fFullPath != null) {
 			return fFullPath.getShell();
 		}
 		return PlatformUI.getWorkbench().getActiveWorkbenchWindow().getShell();
 	}

 	public static boolean isArchivePath(IPath path){
 		final String[] archiveExtensions = {"jar", "zip"}; //$NON-NLS-1$ //$NON-NLS-2$
 		String ext= path.getFileExtension();
 		if (ext != null && ext.length() != 0) {
 			for (int i= 0; i < archiveExtensions.length; i++) {
 				if (ext.equalsIgnoreCase(archiveExtensions[i])) {
 					return true;
 				}
 			}
 		}
 		return false;
 	}

 	private IPath chooseExtJar() {
 		String lastUsedPath= ""; //$NON-NLS-1$
 		IPath entryPath= getResolvedPath();
 		if (entryPath != null) {
 			if (isArchivePath(entryPath)) {
 				lastUsedPath= entryPath.removeLastSegments(1).toOSString();
 			} else {
 				lastUsedPath= entryPath.toOSString();
 			}
 		}

 		FileDialog dialog= new FileDialog(getShell(), SWT.SINGLE);
 		dialog.setFilterExtensions(new String[] {"*.jar;*.zip"}); //$NON-NLS-1$
 		dialog.setFilterPath(lastUsedPath);
 		dialog.setText(BeanInfoUIMessages.VariableSelectionBlock_ExtJarDialog_title);
 		String res= dialog.open();
 		if (res == null) {
 			return null;
 		}
 		IPath resPath= new Path(res).makeAbsolute();
 		IPath varPath= JavaCore.getClasspathVariable(fVariable);

 		if (!varPath.isPrefixOf(resPath)) {
 			return new Path(resPath.lastSegment());
 		} else {
 			return resPath.removeFirstSegments(varPath.segmentCount()).setDevice(null);
 		}
 	}

 	private String chooseVariable() {
 		IPath[] varPaths = BuildPathDialogAccess.chooseVariableEntries(variableFieldButton.getShell(), new IPath[0]);
 		String variable = null;
 		if(varPaths!=null && varPaths.length>0){
 			variable = varPaths[0].toString();
 		}
 		return variable;
 	}


 }
	/*******************************************************************************
	* Copyright (c) 2003, 2005 IBM Corporation 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:
	* IBM Corporation - initial API and implementation
	*******************************************************************************/
	package org.eclipse.jem.internal.beaninfo.ui;

	import java.util.List;

	import org.eclipse.core.runtime.*;
	import org.eclipse.jdt.core.JavaCore;
	import org.eclipse.jdt.ui.wizards.BuildPathDialogAccess;
	import org.eclipse.swt.SWT;
	import org.eclipse.swt.custom.CLabel;
	import org.eclipse.swt.events.*;
	import org.eclipse.swt.layout.GridData;
	import org.eclipse.swt.layout.GridLayout;
	import org.eclipse.swt.widgets.*;
	import org.eclipse.ui.PlatformUI;
	/*
	* $RCSfile: VariableSelectionBlock.java,v $
	* $Revision: 1.8 $ $Date: 2005/12/14 21:24:10 $
	*/

	public class VariableSelectionBlock {


	private List fExistingPaths;

	private Label variableFieldLabel;
	private Text variableFieldText;
	private Button variableFieldButton;
	private String variableFieldTextContent;

	private Label extensionFieldLabel;
	private Text extensionFieldText;
	private Button extensionFieldButton;
	private String extensionFieldTextContent;

	private CLabel fFullPath;

	private IStatus fVariableStatus;
	private IStatus fExistsStatus;
	private IStatus fExtensionStatus;

	private String fVariable;
	private IStatusChangeListener fContext;

	private boolean fIsEmptyAllowed;

	/**
	* Constructor for VariableSelectionBlock
	*/
	public VariableSelectionBlock(IStatusChangeListener context, List existingPaths, IPath varPath, String lastVarSelection, boolean emptyAllowed) {
	fContext= context;
	fExistingPaths= existingPaths;
	fIsEmptyAllowed= emptyAllowed;
	fExistsStatus= StatusHelper.OK_STATUS;

	//VariableSelectionAdapter adapter= new VariableSelectionAdapter();

	if (varPath != null) {
	variableFieldTextContent = varPath.segment(0);
	extensionFieldTextContent = varPath.removeFirstSegments(1).toString();
	} else {
	variableFieldTextContent = ""; //$NON-NLS-1$
	extensionFieldTextContent = ""; //$NON-NLS-1$
	}
	updateFullTextField();
	fVariableStatus= variableUpdated();
	fExtensionStatus=extensionUpdated();
	}

	public IPath getVariablePath() {
	if (fVariable != null) {
	return new Path(fVariable).append(extensionFieldTextContent);
	}
	return null;
	}

	public IPath getResolvedPath() {
	if (fVariable != null) {
	IPath entryPath= JavaCore.getClasspathVariable(fVariable);
	if (entryPath != null) {
	return entryPath.append(extensionFieldTextContent);
	}
	}
	return null;
	}

	public void setFocus(Display display) {
	display.asyncExec(new Runnable(){
	public void run() {
	variableFieldText.setFocus();
	}
	});
	}


	public Control createControl(Composite parent) {
	Composite inner= new Composite(parent, SWT.NONE);
	inner.setLayout(new GridLayout(3, false));
	GridData gd = new GridData(GridData.FILL_BOTH);
	inner.setLayoutData(gd);

	variableFieldLabel = new Label(inner, SWT.NONE);
	variableFieldLabel.setText(BeanInfoUIMessages.VariableSelectionBlock_variable_label);
	variableFieldLabel.setLayoutData(new GridData());
	variableFieldText = new Text(inner, SWT.BORDER\|SWT.SINGLE);
	variableFieldText.setText(variableFieldTextContent);
	gd = new GridData(GridData.FILL_HORIZONTAL);
	gd.widthHint = 200;
	variableFieldText.setLayoutData(gd);
	variableFieldText.addModifyListener(new ModifyListener(){
	public void modifyText(ModifyEvent e) {
	variableFieldTextContent = variableFieldText.getText();
	fVariableStatus = variableUpdated();
	fExistsStatus= getExistsStatus();
	updateFullTextField();
	fContext.statusChanged(StatusHelper.getMostSevere(new IStatus[] { fVariableStatus, fExtensionStatus, fExistsStatus }));
	}
	});
	variableFieldButton = new Button(inner, SWT.PUSH);
	variableFieldButton.setText(BeanInfoUIMessages.VariableSelectionBlock_variable_button);
	variableFieldButton.setLayoutData(new GridData());
	variableFieldButton.addSelectionListener(new SelectionAdapter(){
	public void widgetSelected(SelectionEvent e) {
	String variable= chooseVariable();
	if (variable != null) {
	variableFieldText.setText(variable);
	}
	}
	});

	extensionFieldLabel = new Label(inner, SWT.NONE);
	extensionFieldLabel.setText(BeanInfoUIMessages.VariableSelectionBlock_extension_label);
	extensionFieldLabel.setLayoutData(new GridData());
	extensionFieldText = new Text(inner, SWT.BORDER\|SWT.SINGLE);
	extensionFieldText.setText(variableFieldTextContent);
	extensionFieldText.setLayoutData(new GridData(GridData.FILL_HORIZONTAL));
	extensionFieldText.addModifyListener(new ModifyListener(){
	public void modifyText(ModifyEvent e) {
	extensionFieldTextContent = extensionFieldText.getText();
	fExtensionStatus= extensionUpdated();
	fExistsStatus= getExistsStatus();
	updateFullTextField();
	fContext.statusChanged(StatusHelper.getMostSevere(new IStatus[] { fVariableStatus, fExtensionStatus, fExistsStatus }));
	}
	});
	extensionFieldButton = new Button(inner, SWT.PUSH);
	extensionFieldButton.setText(BeanInfoUIMessages.VariableSelectionBlock_extension_button);
	extensionFieldButton.setLayoutData(new GridData());
	extensionFieldButton.setEnabled(fVariable!=null);
	extensionFieldButton.addSelectionListener(new SelectionAdapter(){
	public void widgetSelected(SelectionEvent e) {
	IPath filePath= chooseExtJar();
	if (filePath != null) {
	extensionFieldText.setText(filePath.toString());
	}
	}
	});

	Label label= new Label(inner, SWT.LEFT);
	label.setLayoutData(new GridData());
	label.setText(BeanInfoUIMessages.VariableSelectionBlock_fullpath_label);

	fFullPath= new CLabel(inner, SWT.NONE);
	gd = new GridData(GridData.HORIZONTAL_ALIGN_FILL);
	gd.horizontalSpan=2;
	fFullPath.setLayoutData(gd);

	updateFullTextField();

	setFocus(parent.getDisplay());

	return inner;
	}

	private IStatus variableUpdated() {
	fVariable= null;

	IStatus status= StatusHelper.OK_STATUS;

	String name = variableFieldTextContent;
	if (name.length() == 0) {
	if (!fIsEmptyAllowed) {
	status = StatusHelper.createStatus(IStatus.ERROR, BeanInfoUIMessages.VariableSelectionBlock_error_entername_ERROR_);
	} else {
	fVariable= ""; //$NON-NLS-1$
	}
	} else if (JavaCore.getClasspathVariable(name) == null) {
	status = StatusHelper.createStatus(IStatus.ERROR, BeanInfoUIMessages.VariableSelectionBlock_error_namenotexists_ERROR_);
	} else {
	fVariable= name;
	}
	if(extensionFieldButton!=null)
	extensionFieldButton.setEnabled(fVariable != null);
	return status;
	}

	private IStatus extensionUpdated() {
	IStatus status= StatusHelper.OK_STATUS;
	String extension = extensionFieldTextContent;
	if (extension.length() > 0 && !Path.ROOT.isValidPath(extension)) {
	status = StatusHelper.createStatus(IStatus.ERROR, BeanInfoUIMessages.VariableSelectionBlock_error_invalidextension_ERROR_);
	}
	return status;
	}

	private IStatus getExistsStatus() {
	IStatus status = StatusHelper.OK_STATUS;
	IPath path= getResolvedPath();
	if (path != null) {
	if (findPath(path)) {
	status = StatusHelper.createStatus(IStatus.ERROR, BeanInfoUIMessages.VariableSelectionBlock_error_pathexists_ERROR_);
	} else if (!path.toFile().isFile()) {
	status = StatusHelper.createStatus(IStatus.WARNING, BeanInfoUIMessages.VariableSelectionBlock_warning_pathnotexists_WARN_);
	}
	} else {
	status = StatusHelper.createStatus(IStatus.WARNING, BeanInfoUIMessages.VariableSelectionBlock_warning_pathnotexists_WARN_);
	}
	return status;
	}

	private boolean findPath(IPath path) {
	for (int i= fExistingPaths.size() -1; i >=0; i--) {
	IPath curr= (IPath) fExistingPaths.get(i);
	if (curr.equals(path)) {
	return true;
	}
	}
	return false;
	}

	private void updateFullTextField() {
	if (fFullPath != null && !fFullPath.isDisposed()) {
	IPath resolvedPath= getResolvedPath();
	if (resolvedPath != null) {
	fFullPath.setText(resolvedPath.toOSString());
	} else {
	fFullPath.setText(""); //$NON-NLS-1$
	}
	}
	}

	private Shell getShell() {
	if (fFullPath != null) {
	return fFullPath.getShell();
	}
	return PlatformUI.getWorkbench().getActiveWorkbenchWindow().getShell();
	}

	public static boolean isArchivePath(IPath path){
	final String[] archiveExtensions = {"jar", "zip"}; //$NON-NLS-1$ //$NON-NLS-2$
	String ext= path.getFileExtension();
	if (ext != null && ext.length() != 0) {
	for (int i= 0; i < archiveExtensions.length; i++) {
	if (ext.equalsIgnoreCase(archiveExtensions[i])) {
	return true;
	}
	}
	}
	return false;
	}

	private IPath chooseExtJar() {
	String lastUsedPath= ""; //$NON-NLS-1$
	IPath entryPath= getResolvedPath();
	if (entryPath != null) {
	if (isArchivePath(entryPath)) {
	lastUsedPath= entryPath.removeLastSegments(1).toOSString();
	} else {
	lastUsedPath= entryPath.toOSString();
	}
	}

	FileDialog dialog= new FileDialog(getShell(), SWT.SINGLE);
	dialog.setFilterExtensions(new String[] {".jar;.zip"}); //$NON-NLS-1$
	dialog.setFilterPath(lastUsedPath);
	dialog.setText(BeanInfoUIMessages.VariableSelectionBlock_ExtJarDialog_title);
	String res= dialog.open();
	if (res == null) {
	return null;
	}
	IPath resPath= new Path(res).makeAbsolute();
	IPath varPath= JavaCore.getClasspathVariable(fVariable);

	if (!varPath.isPrefixOf(resPath)) {
	return new Path(resPath.lastSegment());
	} else {
	return resPath.removeFirstSegments(varPath.segmentCount()).setDevice(null);
	}
	}

	private String chooseVariable() {
	IPath[] varPaths = BuildPathDialogAccess.chooseVariableEntries(variableFieldButton.getShell(), new IPath[0]);
	String variable = null;
	if(varPaths!=null && varPaths.length>0){
	variable = varPaths[0].toString();
	}
	return variable;
	}


	}