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11 package org.eclipse.pde.internal.ui.wizards.provisioner;
12
13 import java.io.File  ;
14
15 import org.eclipse.core.runtime.CoreException;
16 import org.eclipse.core.runtime.IConfigurationElement;
17 import org.eclipse.core.runtime.IExtension;
18 import org.eclipse.core.runtime.IExtensionPoint;
19 import org.eclipse.core.runtime.IExtensionRegistry;
20 import org.eclipse.core.runtime.Platform;
21 import org.eclipse.jface.dialogs.MessageDialog;
22 import org.eclipse.jface.wizard.IWizardPage;
23 import org.eclipse.pde.internal.ui.PDEPlugin;
24 import org.eclipse.pde.internal.ui.PDEUIMessages;
25 import org.eclipse.pde.internal.ui.elements.ElementList;
26 import org.eclipse.pde.internal.ui.wizards.NewWizard;
27 import org.eclipse.pde.internal.ui.wizards.WizardElement;
28 import org.eclipse.pde.ui.IProvisionerWizard;
29 import org.eclipse.swt.graphics.Image;
30
31 public class AddTargetPluginsWizard extends NewWizard {
32
33 private static final String PROVISIONER_POINT = "targetProvisioners"; private ProvisionerListSelectionPage fSelectionPage = null;
35 private File [] fDirs = null;
36 private IProvisionerWizard fWizard = null;
37
38 public AddTargetPluginsWizard() {
39 setDialogSettings(PDEPlugin.getDefault().getDialogSettings());
40 setWindowTitle(PDEUIMessages.AddTargetPluginsWizard_windowTitle);
41 setNeedsProgressMonitor(true);
42 }
43
44 public void addPages() {
45 setForcePreviousAndNextButtons(true);
46 ElementList list = getAvailableProvisioners();
47 if (list.size() == 1) {
48 try {
49 fWizard = (IProvisionerWizard)((WizardElement)list.getChildren()[0]).createExecutableExtension();
50 } catch (CoreException e) {
51 MessageDialog.openError(
52 getContainer().getShell(),
53 PDEUIMessages.Errors_CreationError,
54 PDEUIMessages.Errors_CreationError_NoWizard);
55 }
56 fWizard.addPages();
57 IWizardPage[] pages = fWizard.getPages();
58 for (int i = 0; i < pages.length; i++)
59 addPage(pages[i]);
60 } else {
61 fSelectionPage = new ProvisionerListSelectionPage(getAvailableProvisioners());
62 addPage(fSelectionPage);
63 }
64 super.addPages();
65 }
66
67 private ElementList getAvailableProvisioners() {
68 ElementList list = new ElementList(PROVISIONER_POINT);
69 IExtensionRegistry registry = Platform.getExtensionRegistry();
70 IExtensionPoint point = registry.getExtensionPoint(PDEPlugin.getPluginId(), PROVISIONER_POINT);
71 if (point == null)
72 return list;
73 IExtension[] extensions = point.getExtensions();
74 for (int i = 0; i < extensions.length; i++) {
75 IConfigurationElement[] elements =
76 extensions[i].getConfigurationElements();
77 for (int j = 0; j < elements.length; j++) {
78 WizardElement element = createWizardElement(elements[j]);
79 if (element != null) {
80 list.add(element);
81 }
82 }
83 }
84 return list;
85 }
86
87 protected WizardElement createWizardElement(IConfigurationElement config) {
88 String name = config.getAttribute(WizardElement.ATT_NAME);
89 String id = config.getAttribute(WizardElement.ATT_ID);
90 if (name == null || id == null)
91 return null;
92 WizardElement element = new WizardElement(config);
93
94 String imageName = config.getAttribute(WizardElement.ATT_ICON);
95 Image image = null;
96 if (imageName != null) {
97 String pluginID = config.getNamespaceIdentifier();
98 image =
99 PDEPlugin.getDefault().getLabelProvider().getImageFromPlugin(pluginID, imageName);
100 }
101 element.setImage(image);
102 return element;
103 }
104
105 public boolean canFinish() {
106 return ((fSelectionPage != null && getPageCount() > 1) || fSelectionPage == null) && super.canFinish();
107 }
108
109 public boolean performFinish() {
110 IProvisionerWizard wizard = (fSelectionPage != null) ? (IProvisionerWizard)fSelectionPage.getSelectedWizard() :
111 fWizard;
112 if (wizard == null)
113 return true;
114 fDirs = wizard.getLocations();
115 return super.performFinish();
116 }
117
118 public File [] getDirectories() {
119 return (fDirs == null) ? new File [0] : fDirs;
120 }
121
122 }
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