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EMFFormsNewTemplateWizardPage$3
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1: /*******************************************************************************
2: * Copyright (c) 2011-2014 EclipseSource Muenchen GmbH and others.
3: *
4: * All rights reserved. This program and the accompanying materials
5: * are made available under the terms of the Eclipse Public License 2.0
6: * which accompanies this distribution, and is available at
7: * https://www.eclipse.org/legal/epl-2.0/
8: *
9: * SPDX-License-Identifier: EPL-2.0
10: *
11: * Contributors:
12: * Eugen Neufeld - initial API and implementation
13: ******************************************************************************/
14: package org.eclipse.emf.ecp.view.template.tooling.wizards;
15:
16: import org.eclipse.core.resources.IContainer;
17: import org.eclipse.core.resources.IResource;
18: import org.eclipse.core.resources.ResourcesPlugin;
19: import org.eclipse.core.runtime.Path;
20: import org.eclipse.emf.ecp.view.template.internal.tooling.Messages;
21: import org.eclipse.jface.viewers.ISelection;
22: import org.eclipse.jface.viewers.IStructuredSelection;
23: import org.eclipse.jface.window.Window;
24: import org.eclipse.jface.wizard.WizardPage;
25: import org.eclipse.swt.SWT;
26: import org.eclipse.swt.events.ModifyEvent;
27: import org.eclipse.swt.events.ModifyListener;
28: import org.eclipse.swt.events.SelectionAdapter;
29: import org.eclipse.swt.events.SelectionEvent;
30: import org.eclipse.swt.layout.GridData;
31: import org.eclipse.swt.layout.GridLayout;
32: import org.eclipse.swt.widgets.Button;
33: import org.eclipse.swt.widgets.Composite;
34: import org.eclipse.swt.widgets.Label;
35: import org.eclipse.swt.widgets.Text;
36: import org.eclipse.ui.dialogs.ContainerSelectionDialog;
37:
38: /**
39: * The "New" wizard page allows setting the container for the new file as well
40: * as the file name. The page will only accept file name without the extension
41: * OR with the extension that matches the expected one (template).
42: */
43:
44: public class EMFFormsNewTemplateWizardPage extends WizardPage {
45: private Text containerText;
46:
47: private Text fileText;
48:
49: private final ISelection selection;
50:
51: /**
52: * Constructor for SampleNewWizardPage.
53: *
54: * @param selection the current {@link ISelection}
55: */
56: public EMFFormsNewTemplateWizardPage(ISelection selection) {
57: super("wizardPage"); //$NON-NLS-1$
58: setTitle(Messages.EMFFormsTemplateWizardPage_title);
59: setDescription(Messages.EMFFormsTemplateWizardPage_description);
60: this.selection = selection;
61: }
62:
63: @Override
64: public void createControl(Composite parent) {
65: final Composite container = new Composite(parent, SWT.NULL);
66: final GridLayout layout = new GridLayout();
67: container.setLayout(layout);
68: layout.numColumns = 3;
69: layout.verticalSpacing = 9;
70: Label label = new Label(container, SWT.NULL);
71: label.setText(Messages.EMFFormsTemplateWizardPage_containerSelection);
72:
73: containerText = new Text(container, SWT.BORDER | SWT.SINGLE);
74: GridData gd = new GridData(GridData.FILL_HORIZONTAL);
75: containerText.setLayoutData(gd);
76: containerText.addModifyListener(new ModifyListener() {
77: @Override
78: public void modifyText(ModifyEvent e) {
79: dialogChanged();
80: }
81: });
82:
83: final Button button = new Button(container, SWT.PUSH);
84: button.setText(Messages.EMFFormsTemplateWizardPage_browseContainer);
85: button.addSelectionListener(new SelectionAdapter() {
86: @Override
87: public void widgetSelected(SelectionEvent e) {
88: handleBrowse();
89: }
90: });
91: label = new Label(container, SWT.NULL);
92: label.setText(Messages.EMFFormsTemplateWizardPage_fileSelection);
93:
94: fileText = new Text(container, SWT.BORDER | SWT.SINGLE);
95: gd = new GridData(GridData.FILL_HORIZONTAL);
96: fileText.setLayoutData(gd);
97: fileText.addModifyListener(new ModifyListener() {
98: @Override
99: public void modifyText(ModifyEvent e) {
100: dialogChanged();
101: }
102: });
103: initialize();
104: dialogChanged();
105: setControl(container);
106: }
107:
108: /**
109: * Tests if the current workbench selection is a suitable container to use.
110: */
111:
112: private void initialize() {
113: if (selection != null && !selection.isEmpty()
114: && selection instanceof IStructuredSelection) {
115: final IStructuredSelection ssel = (IStructuredSelection) selection;
116: if (ssel.size() > 1) {
117: return;
118: }
119: final Object obj = ssel.getFirstElement();
120: if (obj instanceof IResource) {
121: IContainer container;
122: if (obj instanceof IContainer) {
123: container = (IContainer) obj;
124: } else {
125: container = ((IResource) obj).getParent();
126: }
127: containerText.setText(container.getFullPath().toString());
128: }
129: }
130: fileText.setText("new_file.template"); //$NON-NLS-1$
131: }
132:
133: /**
134: * Uses the standard container selection dialog to choose the new value for
135: * the container field.
136: */
137:
138: private void handleBrowse() {
139: final ContainerSelectionDialog dialog = new ContainerSelectionDialog(
140: getShell(), ResourcesPlugin.getWorkspace().getRoot(), false,
141: Messages.EMFFormsTemplateWizardPage_browseFile);
142: if (dialog.open() == Window.OK) {
143: final Object[] result = dialog.getResult();
144: if (result.length == 1) {
145: containerText.setText(((Path) result[0]).toString());
146: }
147: }
148: }
149:
150: /**
151: * Ensures that both text fields are set.
152: */
153:
154: private void dialogChanged() {
155: final IResource container = ResourcesPlugin.getWorkspace().getRoot()
156: .findMember(new Path(getContainerName()));
157: final String fileName = getFileName();
158:
159: if (getContainerName().length() == 0) {
160: updateStatus(Messages.EMFFormsTemplateWizardPage_errorNoContainer);
161: return;
162: }
163: if (container == null
164: || (container.getType() & (IResource.PROJECT | IResource.FOLDER)) == 0) {
165: updateStatus(Messages.EMFFormsTemplateWizardPage_errorContainerNotExists);
166: return;
167: }
168: if (!container.isAccessible()) {
169: updateStatus(Messages.EMFFormsTemplateWizardPage_errorProjectReadOnly);
170: return;
171: }
172: if (fileName.length() == 0) {
173: updateStatus(Messages.EMFFormsTemplateWizardPage_errorNoFilename);
174: return;
175: }
176: if (fileName.replace('\\', '/').indexOf('/', 1) > 0) {
177: updateStatus(Messages.EMFFormsTemplateWizardPage_errorInvalidFilename);
178: return;
179: }
180:
181: if (ResourcesPlugin.getWorkspace().getRoot().getFile(container.getFullPath().append(fileName)).exists()) {
182: updateStatus(String.format(Messages.EMFFormsTemplateWizardPage_FileAlreadyExist, fileName));
183: return;
184: }
185: final int dotLoc = fileName.lastIndexOf('.');
186: if (dotLoc != -1) {
187: final String ext = fileName.substring(dotLoc + 1);
188: if (!ext.equalsIgnoreCase("template")) { //$NON-NLS-1$
189: updateStatus(String.format(Messages.EMFFormsTemplateWizardPage_errorWrongFileExtension, "template")); //$NON-NLS-1$
190: return;
191: }
192: }
193: updateStatus(null);
194: }
195:
196: private void updateStatus(String message) {
197: setErrorMessage(message);
198: setPageComplete(message == null);
199: }
200:
201: /**
202: * The container name.
203: *
204: * @return the name of the container
205: */
206: public String getContainerName() {
207: return containerText.getText();
208: }
209:
210: /**
211: * The file name.
212: *
213: * @return the name of the file
214: */
215: public String getFileName() {
216: return fileText.getText();
217: }
218: }
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