Skip to main content
aboutsummaryrefslogtreecommitdiffstats
blob: 9e62a9eddfca86d121be0d8d8e0f94c8a6516b9d (plain) (blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
/*******************************************************************************
* Copyright (c) 2010 Oracle. 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:
*     Oracle - initial API and implementation
*******************************************************************************/
package org.eclipse.jpt.jaxb.ui.internal.wizards;

import java.util.Iterator;

import org.eclipse.core.resources.IProject;
import org.eclipse.core.resources.IResource;
import org.eclipse.core.resources.ResourcesPlugin;
import org.eclipse.core.runtime.CoreException;
import org.eclipse.core.runtime.IAdaptable;
import org.eclipse.jdt.core.IJavaElement;
import org.eclipse.jdt.core.IJavaProject;
import org.eclipse.jdt.core.JavaCore;
import org.eclipse.jface.dialogs.Dialog;
import org.eclipse.jface.viewers.IStructuredSelection;
import org.eclipse.jface.wizard.WizardPage;
import org.eclipse.jpt.jaxb.ui.internal.JptJaxbUiMessages;
import org.eclipse.jpt.utility.internal.ArrayTools;
import org.eclipse.jpt.utility.internal.CollectionTools;
import org.eclipse.jpt.utility.internal.StringTools;
import org.eclipse.jpt.utility.internal.iterables.FilteringIterable;
import org.eclipse.jpt.utility.internal.iterables.TransformationIterable;
import org.eclipse.jpt.utility.internal.iterators.ArrayIterator;
import org.eclipse.swt.SWT;
import org.eclipse.swt.events.SelectionEvent;
import org.eclipse.swt.events.SelectionListener;
import org.eclipse.swt.layout.FillLayout;
import org.eclipse.swt.layout.GridData;
import org.eclipse.swt.layout.GridLayout;
import org.eclipse.swt.widgets.Combo;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.Control;
import org.eclipse.swt.widgets.Label;

/**
 *  ProjectWizardPage
 */
public class ProjectWizardPage extends WizardPage
{
	private IJavaProject javaProject;
	private ProjectGroup projectGroup;

	// ********** static methods **********

    public static IJavaProject getJavaProjectFromSelection(IStructuredSelection selection) {
    	if(selection == null) {
    		return null;
    	}
		Object firstElement = selection.getFirstElement();
		if(firstElement instanceof IJavaProject) {
			return (IJavaProject)firstElement;
		}
		else if(firstElement instanceof IResource) {
			IProject project = ((IResource) firstElement).getProject();
			return getJavaProjectFrom(project);
		}
		else if(firstElement instanceof IJavaElement) {
			return ((IJavaElement)firstElement).getJavaProject();
		}
		return null;
    }
    
    public static IJavaProject getJavaProjectFrom(IProject project) {
    	return (IJavaProject)((IJavaElement)((IAdaptable)project).getAdapter(IJavaElement.class));
    }

	// ********** constructor **********
    
	public ProjectWizardPage() {
		super("Java Project"); //$NON-NLS-1$

		this.setDescription(JptJaxbUiMessages.ProjectWizardPage_desc);
	}
	
	public ProjectWizardPage(IJavaProject javaProject) {
		this();

		this.javaProject = javaProject;
	}
	
	// ********** IDialogPage implementation  **********

	public void createControl(Composite parent) {
		this.setPageComplete(false);
		this.setControl(this.buildTopLevelControl(parent));
	}

	// ********** intra-wizard methods **********

	public IJavaProject getJavaProject() {
		return this.javaProject;
	}
	
	// ********** internal methods **********

	private Control buildTopLevelControl(Composite parent) {
		Composite composite = new Composite(parent, SWT.NULL);
		composite.setLayout(new FillLayout());
		this.projectGroup = new ProjectGroup(composite);
		Dialog.applyDialogFont(parent);
//		PlatformUI.getWorkbench().getHelpSystem().setHelp(composite, HELP_CONTEXT_ID);
		return composite;
	}
	
	private void setJavaProject(IJavaProject project) {
		this.javaProject = project;
	}

	private void projectChanged() {
		this.setPageComplete(false);
		String projectName = this.projectGroup.getProjectName();
		if( ! StringTools.stringIsEmpty(projectName)) {

			IProject project = ResourcesPlugin.getWorkspace().getRoot().getProject(projectName);
			this.setJavaProject(JavaCore.create(project));
			this.setPageComplete(true);
		}
	}

	// ********** project group **********

	class ProjectGroup {

		private Combo projectCombo;


		// ********** constructor **********

		private ProjectGroup(Composite parent) {
			super();
			Composite composite = new Composite(parent, SWT.NULL);
			composite.setLayout(new GridLayout(2, false));

			// Project
			this.buildLabel(composite, JptJaxbUiMessages.ProjectWizardPage_project);
			this.projectCombo = this.buildProjectCombo(composite, this.buildProjectComboSelectionListener());
			this.updateProjectCombo();

			setPageComplete( ! StringTools.stringIsEmpty(this.getProjectName()));
		}

		// ********** listeners **********

		private SelectionListener buildProjectComboSelectionListener() {
			return new SelectionListener() {
				public void widgetDefaultSelected(SelectionEvent event) {
					// nothing special for "default" (double-click?)
					this.widgetSelected(event);
				}
				public void widgetSelected(SelectionEvent event) {
					ProjectGroup.this.selectedProjectChanged();
				}
				@Override
				public String toString() {
					return "JavaProjectWizardPage project combo-box selection listener"; //$NON-NLS-1$
				}
			};
		}
		
		// ********** listener callbacks **********

		void selectedProjectChanged() {
			projectChanged();
		}

		// ********** intra-wizard methods **********

		protected String getProjectName() {
			return this.projectCombo.getText();
		}

		// ********** internal methods **********
		
		protected void updateProjectCombo() {
			
			this.projectCombo.removeAll();
			
			for (String name : this.getSortedJavaProjectsNames()) {
				this.projectCombo.add(name);
			}
			if(javaProject != null) {
				this.projectCombo.select(this.projectCombo.indexOf(javaProject.getProject().getName()));
			}
		}

		private String[] getSortedJavaProjectsNames() {
			return ArrayTools.sort(getJavaProjectsNames());
		}

		private String[] getJavaProjectsNames() {
			return ArrayTools.array(
				new TransformationIterable<IProject, String>(this.getJavaProjects()) {
					@Override
					protected String transform(IProject project) {
						return project.getName();
					}
				},
				new String[0]);
		}
		
		private Iterable<IProject> getJavaProjects() {
		   return new FilteringIterable<IProject>(CollectionTools.collection(this.getProjects())) {
		      @Override
		      protected boolean accept(IProject next) {
					try {
						return next.hasNature(JavaCore.NATURE_ID);
					}
					catch (CoreException e) {
						return false;
					}
		      }
		   };
		}

		private Iterator<IProject> getProjects() {
			return new ArrayIterator<IProject>(ResourcesPlugin.getWorkspace().getRoot().getProjects());
		}

		// ********** UI components **********

		private Label buildLabel(Composite parent, String text) {
			Label label = new Label(parent, SWT.LEFT);
			label.setLayoutData(new GridData());
			label.setText(text);
			return label;
		}
			
		private Combo buildProjectCombo(Composite parent, SelectionListener listener) {
			Combo projectCombo = new Combo(parent, SWT.READ_ONLY);
			GridData gridData = new GridData();
			gridData.horizontalAlignment = SWT.FILL;
			gridData.grabExcessHorizontalSpace = true;
			projectCombo.setLayoutData(gridData);
			projectCombo.addSelectionListener(listener);
			return projectCombo;
		}
	}
}

Back to the top