org.eclipse.jdt.ui/ui/org/eclipse/jdt/internal/ui/wizards/buildpaths/VariableCreationDialog.java - jdt/eclipse.jdt.ui - Git at Google

 /*******************************************************************************
  * Copyright (c) 2000, 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.jdt.internal.ui.wizards.buildpaths;

 import java.io.File;
 import java.util.List;

 import org.eclipse.core.runtime.IPath;
 import org.eclipse.core.runtime.Path;

 import org.eclipse.swt.SWT;
 import org.eclipse.swt.layout.GridLayout;
 import org.eclipse.swt.widgets.Composite;
 import org.eclipse.swt.widgets.Control;
 import org.eclipse.swt.widgets.DirectoryDialog;
 import org.eclipse.swt.widgets.FileDialog;
 import org.eclipse.swt.widgets.Shell;

 import org.eclipse.jface.dialogs.IDialogSettings;
 import org.eclipse.jface.dialogs.StatusDialog;

 import org.eclipse.ui.PlatformUI;

 import org.eclipse.jdt.internal.ui.IJavaHelpContextIds;
 import org.eclipse.jdt.internal.ui.IUIConstants;
 import org.eclipse.jdt.internal.ui.JavaPlugin;
 import org.eclipse.jdt.internal.ui.dialogs.StatusInfo;
 import org.eclipse.jdt.internal.ui.dialogs.StatusUtil;
 import org.eclipse.jdt.internal.ui.wizards.NewWizardMessages;
 import org.eclipse.jdt.internal.ui.wizards.dialogfields.DialogField;
 import org.eclipse.jdt.internal.ui.wizards.dialogfields.IDialogFieldListener;
 import org.eclipse.jdt.internal.ui.wizards.dialogfields.IStringButtonAdapter;
 import org.eclipse.jdt.internal.ui.wizards.dialogfields.LayoutUtil;
 import org.eclipse.jdt.internal.ui.wizards.dialogfields.SelectionButtonDialogField;
 import org.eclipse.jdt.internal.ui.wizards.dialogfields.StringButtonDialogField;
 import org.eclipse.jdt.internal.ui.wizards.dialogfields.StringDialogField;

 public class VariableCreationDialog extends StatusDialog {

 	private IDialogSettings fDialogSettings;

 	private StringDialogField fNameField;
 	private StatusInfo fNameStatus;

 	private StringButtonDialogField fPathField;
 	private StatusInfo fPathStatus;
 	private SelectionButtonDialogField fDirButton;

 	private CPVariableElement fElement;

 	private List fExistingNames;

 	public VariableCreationDialog(Shell parent, CPVariableElement element, List existingNames) {
 		super(parent);
 		if (element == null) {
 			setTitle(NewWizardMessages.VariableCreationDialog_titlenew);
 		} else {
 			setTitle(NewWizardMessages.VariableCreationDialog_titleedit);
 		}

 		fDialogSettings= JavaPlugin.getDefault().getDialogSettings();

 		fElement= element;

 		fNameStatus= new StatusInfo();
 		fPathStatus= new StatusInfo();

 		NewVariableAdapter adapter= new NewVariableAdapter();
 		fNameField= new StringDialogField();
 		fNameField.setDialogFieldListener(adapter);
 		fNameField.setLabelText(NewWizardMessages.VariableCreationDialog_name_label);

 		fPathField= new StringButtonDialogField(adapter);
 		fPathField.setDialogFieldListener(adapter);
 		fPathField.setLabelText(NewWizardMessages.VariableCreationDialog_path_label);
 		fPathField.setButtonLabel(NewWizardMessages.VariableCreationDialog_path_file_button);

 		fDirButton= new SelectionButtonDialogField(SWT.PUSH);
 		fDirButton.setDialogFieldListener(adapter);
 		fDirButton.setLabelText(NewWizardMessages.VariableCreationDialog_path_dir_button);

 		fExistingNames= existingNames;

 		if (element != null) {
 			fNameField.setText(element.getName());
 			fPathField.setText(element.getPath().toString());
 			fExistingNames.remove(element.getName());
 		} else {
 			fNameField.setText(""); //$NON-NLS-1$
 			fPathField.setText(""); //$NON-NLS-1$
 		}
 	}

 	/*
 	 * @see Windows#configureShell
 	 */
 	protected void configureShell(Shell newShell) {
 		super.configureShell(newShell);
 		PlatformUI.getWorkbench().getHelpSystem().setHelp(newShell, IJavaHelpContextIds.VARIABLE_CREATION_DIALOG);
 	}


 	public CPVariableElement getClasspathElement() {
 		return new CPVariableElement(fNameField.getText(), new Path(fPathField.getText()), false);
 	}

 	/*
 	 * @see Dialog#createDialogArea(org.eclipse.swt.widgets.Composite)
 	 */
 	protected Control createDialogArea(Composite parent) {
 		Composite composite= (Composite) super.createDialogArea(parent);

 		Composite inner= new Composite(composite, SWT.NONE);
 		inner.setFont(composite.getFont());

 		GridLayout layout= new GridLayout();
 		layout.marginWidth= 0;
 		layout.marginHeight= 0;
 		layout.numColumns= 3;
 		inner.setLayout(layout);

 		int fieldWidthHint= convertWidthInCharsToPixels(50);

 		fNameField.doFillIntoGrid(inner, 2);
 		LayoutUtil.setWidthHint(fNameField.getTextControl(null), fieldWidthHint);
 		LayoutUtil.setHorizontalGrabbing(fNameField.getTextControl(null));

 		DialogField.createEmptySpace(inner, 1);

 		fPathField.doFillIntoGrid(inner, 3);
 		LayoutUtil.setWidthHint(fPathField.getTextControl(null), fieldWidthHint);

 		DialogField.createEmptySpace(inner, 2);
 		fDirButton.doFillIntoGrid(inner, 1);

 		DialogField focusField= (fElement == null) ? fNameField : fPathField;
 		focusField.postSetFocusOnDialogField(parent.getDisplay());
 		applyDialogFont(composite);
 		return composite;
 	}


 	// -------- NewVariableAdapter --------

 	private class NewVariableAdapter implements IDialogFieldListener, IStringButtonAdapter {

 		// -------- IDialogFieldListener
 		public void dialogFieldChanged(DialogField field) {
 			doFieldUpdated(field);
 		}

 		// -------- IStringButtonAdapter
 		public void changeControlPressed(DialogField field) {
 			doChangeControlPressed(field);
 		}
 	}

 	private void doChangeControlPressed(DialogField field) {
 		if (field == fPathField) {
 			IPath path= chooseExtJarFile();
 			if (path != null) {
 				fPathField.setText(path.toString());
 			}
 		}
 	}

 	private void doFieldUpdated(DialogField field) {
 		if (field == fNameField) {
 			fNameStatus= nameUpdated();
 		} else if (field == fPathField) {
 			fPathStatus= pathUpdated();
 		} else if (field == fDirButton) {
 			IPath path= chooseExtDirectory();
 			if (path != null) {
 				fPathField.setText(path.toString());
 			}
 		}
 		updateStatus(StatusUtil.getMoreSevere(fPathStatus, fNameStatus));
 	}

 	private StatusInfo nameUpdated() {
 		StatusInfo status= new StatusInfo();
 		String name= fNameField.getText();
 		if (name.length() == 0) {
 			status.setError(NewWizardMessages.VariableCreationDialog_error_entername);
 			return status;
 		}
 		if (name.trim().length() != name.length()) {
 			status.setError(NewWizardMessages.VariableCreationDialog_error_whitespace);
 		} else if (!Path.ROOT.isValidSegment(name)) {
 			status.setError(NewWizardMessages.VariableCreationDialog_error_invalidname);
 		} else if (nameConflict(name)) {
 			status.setError(NewWizardMessages.VariableCreationDialog_error_nameexists);
 		}
 		return status;
 	}

 	private boolean nameConflict(String name) {
 		if (fElement != null && fElement.getName().equals(name)) {
 			return false;
 		}
 		for (int i= 0; i < fExistingNames.size(); i++) {
 			CPVariableElement elem= (CPVariableElement)fExistingNames.get(i);
 			if (name.equals(elem.getName())){
 				return true;
 			}
 		}
 		return false;
 	}


 	private StatusInfo pathUpdated() {
 		StatusInfo status= new StatusInfo();

 		String path= fPathField.getText();
 		if (path.length() > 0) { // empty path is ok
 			if (!Path.ROOT.isValidPath(path)) {
 				status.setError(NewWizardMessages.VariableCreationDialog_error_invalidpath);
 			} else if (!new File(path).exists()) {
 				status.setWarning(NewWizardMessages.VariableCreationDialog_warning_pathnotexists);
 			}
 		}
 		return status;
 	}


 	private String getInitPath() {
 		String initPath= fPathField.getText();
 		if (initPath.length() == 0) {
 			initPath= fDialogSettings.get(IUIConstants.DIALOGSTORE_LASTEXTJAR);
 			if (initPath == null) {
 				initPath= ""; //$NON-NLS-1$
 			}
 		} else {
 			IPath entryPath= new Path(initPath);
 			if (ArchiveFileFilter.isArchivePath(entryPath)) {
 				entryPath.removeLastSegments(1);
 			}
 			initPath= entryPath.toOSString();
 		}
 		return initPath;
 	}


 	/*
 	 * Open a dialog to choose a jar from the file system
 	 */
 	private IPath chooseExtJarFile() {
 		String initPath= getInitPath();

 		FileDialog dialog= new FileDialog(getShell());
 		dialog.setText(NewWizardMessages.VariableCreationDialog_extjardialog_text);
 		dialog.setFilterExtensions(new String[] {"*.jar;*.zip"}); //$NON-NLS-1$
 		dialog.setFilterPath(initPath);
 		String res= dialog.open();
 		if (res != null) {
 			fDialogSettings.put(IUIConstants.DIALOGSTORE_LASTEXTJAR, dialog.getFilterPath());
 			return Path.fromOSString(res).makeAbsolute();
 		}
 		return null;
 	}

 	private IPath chooseExtDirectory() {
 		String initPath= getInitPath();

 		DirectoryDialog dialog= new DirectoryDialog(getShell());
 		dialog.setText(NewWizardMessages.VariableCreationDialog_extdirdialog_text);
 		dialog.setMessage(NewWizardMessages.VariableCreationDialog_extdirdialog_message);
 		dialog.setFilterPath(initPath);
 		String res= dialog.open();
 		if (res != null) {
 			fDialogSettings.put(IUIConstants.DIALOGSTORE_LASTEXTJAR, dialog.getFilterPath());
 			return Path.fromOSString(res);
 		}
 		return null;
 	}


 }
	/*******************************************************************************
	* Copyright (c) 2000, 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.jdt.internal.ui.wizards.buildpaths;

	import java.io.File;
	import java.util.List;

	import org.eclipse.core.runtime.IPath;
	import org.eclipse.core.runtime.Path;

	import org.eclipse.swt.SWT;
	import org.eclipse.swt.layout.GridLayout;
	import org.eclipse.swt.widgets.Composite;
	import org.eclipse.swt.widgets.Control;
	import org.eclipse.swt.widgets.DirectoryDialog;
	import org.eclipse.swt.widgets.FileDialog;
	import org.eclipse.swt.widgets.Shell;

	import org.eclipse.jface.dialogs.IDialogSettings;
	import org.eclipse.jface.dialogs.StatusDialog;

	import org.eclipse.ui.PlatformUI;

	import org.eclipse.jdt.internal.ui.IJavaHelpContextIds;
	import org.eclipse.jdt.internal.ui.IUIConstants;
	import org.eclipse.jdt.internal.ui.JavaPlugin;
	import org.eclipse.jdt.internal.ui.dialogs.StatusInfo;
	import org.eclipse.jdt.internal.ui.dialogs.StatusUtil;
	import org.eclipse.jdt.internal.ui.wizards.NewWizardMessages;
	import org.eclipse.jdt.internal.ui.wizards.dialogfields.DialogField;
	import org.eclipse.jdt.internal.ui.wizards.dialogfields.IDialogFieldListener;
	import org.eclipse.jdt.internal.ui.wizards.dialogfields.IStringButtonAdapter;
	import org.eclipse.jdt.internal.ui.wizards.dialogfields.LayoutUtil;
	import org.eclipse.jdt.internal.ui.wizards.dialogfields.SelectionButtonDialogField;
	import org.eclipse.jdt.internal.ui.wizards.dialogfields.StringButtonDialogField;
	import org.eclipse.jdt.internal.ui.wizards.dialogfields.StringDialogField;

	public class VariableCreationDialog extends StatusDialog {

	private IDialogSettings fDialogSettings;

	private StringDialogField fNameField;
	private StatusInfo fNameStatus;

	private StringButtonDialogField fPathField;
	private StatusInfo fPathStatus;
	private SelectionButtonDialogField fDirButton;

	private CPVariableElement fElement;

	private List fExistingNames;

	public VariableCreationDialog(Shell parent, CPVariableElement element, List existingNames) {
	super(parent);
	if (element == null) {
	setTitle(NewWizardMessages.VariableCreationDialog_titlenew);
	} else {
	setTitle(NewWizardMessages.VariableCreationDialog_titleedit);
	}

	fDialogSettings= JavaPlugin.getDefault().getDialogSettings();

	fElement= element;

	fNameStatus= new StatusInfo();
	fPathStatus= new StatusInfo();

	NewVariableAdapter adapter= new NewVariableAdapter();
	fNameField= new StringDialogField();
	fNameField.setDialogFieldListener(adapter);
	fNameField.setLabelText(NewWizardMessages.VariableCreationDialog_name_label);

	fPathField= new StringButtonDialogField(adapter);
	fPathField.setDialogFieldListener(adapter);
	fPathField.setLabelText(NewWizardMessages.VariableCreationDialog_path_label);
	fPathField.setButtonLabel(NewWizardMessages.VariableCreationDialog_path_file_button);

	fDirButton= new SelectionButtonDialogField(SWT.PUSH);
	fDirButton.setDialogFieldListener(adapter);
	fDirButton.setLabelText(NewWizardMessages.VariableCreationDialog_path_dir_button);

	fExistingNames= existingNames;

	if (element != null) {
	fNameField.setText(element.getName());
	fPathField.setText(element.getPath().toString());
	fExistingNames.remove(element.getName());
	} else {
	fNameField.setText(""); //$NON-NLS-1$
	fPathField.setText(""); //$NON-NLS-1$
	}
	}

	/*
	* @see Windows#configureShell
	*/
	protected void configureShell(Shell newShell) {
	super.configureShell(newShell);
	PlatformUI.getWorkbench().getHelpSystem().setHelp(newShell, IJavaHelpContextIds.VARIABLE_CREATION_DIALOG);
	}


	public CPVariableElement getClasspathElement() {
	return new CPVariableElement(fNameField.getText(), new Path(fPathField.getText()), false);
	}

	/*
	* @see Dialog#createDialogArea(org.eclipse.swt.widgets.Composite)
	*/
	protected Control createDialogArea(Composite parent) {
	Composite composite= (Composite) super.createDialogArea(parent);

	Composite inner= new Composite(composite, SWT.NONE);
	inner.setFont(composite.getFont());

	GridLayout layout= new GridLayout();
	layout.marginWidth= 0;
	layout.marginHeight= 0;
	layout.numColumns= 3;
	inner.setLayout(layout);

	int fieldWidthHint= convertWidthInCharsToPixels(50);

	fNameField.doFillIntoGrid(inner, 2);
	LayoutUtil.setWidthHint(fNameField.getTextControl(null), fieldWidthHint);
	LayoutUtil.setHorizontalGrabbing(fNameField.getTextControl(null));

	DialogField.createEmptySpace(inner, 1);

	fPathField.doFillIntoGrid(inner, 3);
	LayoutUtil.setWidthHint(fPathField.getTextControl(null), fieldWidthHint);

	DialogField.createEmptySpace(inner, 2);
	fDirButton.doFillIntoGrid(inner, 1);

	DialogField focusField= (fElement == null) ? fNameField : fPathField;
	focusField.postSetFocusOnDialogField(parent.getDisplay());
	applyDialogFont(composite);
	return composite;
	}


	// -------- NewVariableAdapter --------

	private class NewVariableAdapter implements IDialogFieldListener, IStringButtonAdapter {

	// -------- IDialogFieldListener
	public void dialogFieldChanged(DialogField field) {
	doFieldUpdated(field);
	}

	// -------- IStringButtonAdapter
	public void changeControlPressed(DialogField field) {
	doChangeControlPressed(field);
	}
	}

	private void doChangeControlPressed(DialogField field) {
	if (field == fPathField) {
	IPath path= chooseExtJarFile();
	if (path != null) {
	fPathField.setText(path.toString());
	}
	}
	}

	private void doFieldUpdated(DialogField field) {
	if (field == fNameField) {
	fNameStatus= nameUpdated();
	} else if (field == fPathField) {
	fPathStatus= pathUpdated();
	} else if (field == fDirButton) {
	IPath path= chooseExtDirectory();
	if (path != null) {
	fPathField.setText(path.toString());
	}
	}
	updateStatus(StatusUtil.getMoreSevere(fPathStatus, fNameStatus));
	}

	private StatusInfo nameUpdated() {
	StatusInfo status= new StatusInfo();
	String name= fNameField.getText();
	if (name.length() == 0) {
	status.setError(NewWizardMessages.VariableCreationDialog_error_entername);
	return status;
	}
	if (name.trim().length() != name.length()) {
	status.setError(NewWizardMessages.VariableCreationDialog_error_whitespace);
	} else if (!Path.ROOT.isValidSegment(name)) {
	status.setError(NewWizardMessages.VariableCreationDialog_error_invalidname);
	} else if (nameConflict(name)) {
	status.setError(NewWizardMessages.VariableCreationDialog_error_nameexists);
	}
	return status;
	}

	private boolean nameConflict(String name) {
	if (fElement != null && fElement.getName().equals(name)) {
	return false;
	}
	for (int i= 0; i < fExistingNames.size(); i++) {
	CPVariableElement elem= (CPVariableElement)fExistingNames.get(i);
	if (name.equals(elem.getName())){
	return true;
	}
	}
	return false;
	}


	private StatusInfo pathUpdated() {
	StatusInfo status= new StatusInfo();

	String path= fPathField.getText();
	if (path.length() > 0) { // empty path is ok
	if (!Path.ROOT.isValidPath(path)) {
	status.setError(NewWizardMessages.VariableCreationDialog_error_invalidpath);
	} else if (!new File(path).exists()) {
	status.setWarning(NewWizardMessages.VariableCreationDialog_warning_pathnotexists);
	}
	}
	return status;
	}


	private String getInitPath() {
	String initPath= fPathField.getText();
	if (initPath.length() == 0) {
	initPath= fDialogSettings.get(IUIConstants.DIALOGSTORE_LASTEXTJAR);
	if (initPath == null) {
	initPath= ""; //$NON-NLS-1$
	}
	} else {
	IPath entryPath= new Path(initPath);
	if (ArchiveFileFilter.isArchivePath(entryPath)) {
	entryPath.removeLastSegments(1);
	}
	initPath= entryPath.toOSString();
	}
	return initPath;
	}


	/*
	* Open a dialog to choose a jar from the file system
	*/
	private IPath chooseExtJarFile() {
	String initPath= getInitPath();

	FileDialog dialog= new FileDialog(getShell());
	dialog.setText(NewWizardMessages.VariableCreationDialog_extjardialog_text);
	dialog.setFilterExtensions(new String[] {".jar;.zip"}); //$NON-NLS-1$
	dialog.setFilterPath(initPath);
	String res= dialog.open();
	if (res != null) {
	fDialogSettings.put(IUIConstants.DIALOGSTORE_LASTEXTJAR, dialog.getFilterPath());
	return Path.fromOSString(res).makeAbsolute();
	}
	return null;
	}

	private IPath chooseExtDirectory() {
	String initPath= getInitPath();

	DirectoryDialog dialog= new DirectoryDialog(getShell());
	dialog.setText(NewWizardMessages.VariableCreationDialog_extdirdialog_text);
	dialog.setMessage(NewWizardMessages.VariableCreationDialog_extdirdialog_message);
	dialog.setFilterPath(initPath);
	String res= dialog.open();
	if (res != null) {
	fDialogSettings.put(IUIConstants.DIALOGSTORE_LASTEXTJAR, dialog.getFilterPath());
	return Path.fromOSString(res);
	}
	return null;
	}



	}