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/*
* Copyright (C) 2009 The Android Open Source Project
*
* Licensed under the Eclipse Public License, Version 1.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.eclipse.org/org/documents/epl-v10.php
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.android.ide.eclipse.adt.internal.wizards.actions;
import com.android.ide.eclipse.adt.internal.ui.IUpdateWizardDialog;
import com.android.ide.eclipse.adt.internal.ui.WizardDialogEx;
import org.eclipse.jface.action.IAction;
import org.eclipse.jface.dialogs.Dialog;
import org.eclipse.jface.viewers.ISelection;
import org.eclipse.jface.viewers.IStructuredSelection;
import org.eclipse.jface.viewers.StructuredSelection;
import org.eclipse.swt.graphics.Point;
import org.eclipse.swt.widgets.Shell;
import org.eclipse.ui.IEditorInput;
import org.eclipse.ui.IEditorPart;
import org.eclipse.ui.IObjectActionDelegate;
import org.eclipse.ui.IWorkbench;
import org.eclipse.ui.IWorkbenchPart;
import org.eclipse.ui.IWorkbenchWindow;
import org.eclipse.ui.IWorkbenchWindowActionDelegate;
import org.eclipse.ui.IWorkbenchWizard;
import org.eclipse.ui.PlatformUI;
import org.eclipse.ui.internal.IWorkbenchHelpContextIds;
import org.eclipse.ui.internal.LegacyResourceSupport;
import org.eclipse.ui.internal.actions.NewWizardShortcutAction;
import org.eclipse.ui.internal.util.Util;
/**
* An abstract action that displays one of our wizards.
* Derived classes must provide the actual wizard to display.
*/
/*package*/ abstract class OpenWizardAction
implements IWorkbenchWindowActionDelegate, IObjectActionDelegate {
/**
* The wizard dialog width, extracted from {@link NewWizardShortcutAction}
*/
private static final int SIZING_WIZARD_WIDTH = 500;
/**
* The wizard dialog height, extracted from {@link NewWizardShortcutAction}
*/
private static final int SIZING_WIZARD_HEIGHT = 500;
/** The wizard that was created by {@link #run(IAction)}. */
private IWorkbenchWizard mWizard;
/** The result from the dialog */
private int mDialogResult;
private ISelection mSelection;
private IWorkbench mWorkbench;
/** Returns the wizard that was created by {@link #run(IAction)}. */
public IWorkbenchWizard getWizard() {
return mWizard;
}
/** Returns the result from {@link Dialog#open()}, available after
* the completion of {@link #run(IAction)}. */
public int getDialogResult() {
return mDialogResult;
}
/* (non-Javadoc)
* @see org.eclipse.ui.IWorkbenchWindowActionDelegate#dispose()
*/
@Override
public void dispose() {
// pass
}
/* (non-Javadoc)
* @see org.eclipse.ui.IWorkbenchWindowActionDelegate#init(org.eclipse.ui.IWorkbenchWindow)
*/
@Override
public void init(IWorkbenchWindow window) {
// pass
}
/**
* Opens and display the Android New Project Wizard.
* <p/>
* Most of this implementation is extracted from {@link NewWizardShortcutAction#run()}.
*
* @param action The action that got us here. Can be null when used internally.
* @see org.eclipse.ui.IActionDelegate#run(org.eclipse.jface.action.IAction)
*/
@Override
public void run(IAction action) {
// get the workbench and the current window
IWorkbench workbench = mWorkbench != null ? mWorkbench : PlatformUI.getWorkbench();
IWorkbenchWindow window = workbench.getActiveWorkbenchWindow();
// This code from NewWizardShortcutAction#run() gets the current window selection
// and converts it to a workbench structured selection for the wizard, if possible.
ISelection selection = mSelection;
if (selection == null) {
selection = window.getSelectionService().getSelection();
}
IStructuredSelection selectionToPass = StructuredSelection.EMPTY;
if (selection instanceof IStructuredSelection) {
selectionToPass = (IStructuredSelection) selection;
} else {
// Build the selection from the IFile of the editor
IWorkbenchPart part = window.getPartService().getActivePart();
if (part instanceof IEditorPart) {
IEditorInput input = ((IEditorPart) part).getEditorInput();
Class<?> fileClass = LegacyResourceSupport.getFileClass();
if (input != null && fileClass != null) {
Object file = Util.getAdapter(input, fileClass);
if (file != null) {
selectionToPass = new StructuredSelection(file);
}
}
}
}
// Create the wizard and initialize it with the selection
mWizard = instanciateWizard(action);
mWizard.init(workbench, selectionToPass);
// It's not visible yet until a dialog is created and opened
Shell parent = window.getShell();
WizardDialogEx dialog = new WizardDialogEx(parent, mWizard);
dialog.create();
if (mWizard instanceof IUpdateWizardDialog) {
((IUpdateWizardDialog) mWizard).updateWizardDialog(dialog);
}
// This code comes straight from NewWizardShortcutAction#run()
Point defaultSize = dialog.getShell().getSize();
dialog.getShell().setSize(
Math.max(SIZING_WIZARD_WIDTH, defaultSize.x),
Math.max(SIZING_WIZARD_HEIGHT, defaultSize.y));
window.getWorkbench().getHelpSystem().setHelp(dialog.getShell(),
IWorkbenchHelpContextIds.NEW_WIZARD_SHORTCUT);
mDialogResult = dialog.open();
}
/**
* Called by {@link #run(IAction)} to instantiate the actual wizard.
*
* @param action The action parameter from {@link #run(IAction)}.
* This can be null.
* @return A new wizard instance. Must not be null.
*/
protected abstract IWorkbenchWizard instanciateWizard(IAction action);
/* (non-Javadoc)
* @see org.eclipse.ui.IActionDelegate#selectionChanged(org.eclipse.jface.action.IAction, org.eclipse.jface.viewers.ISelection)
*/
@Override
public void selectionChanged(IAction action, ISelection selection) {
mSelection = selection;
}
/* (non-Javadoc)
* @see org.eclipse.ui.IObjectActionDelegate#setActivePart(org.eclipse.jface.action.IAction, org.eclipse.ui.IWorkbenchPart)
*/
@Override
public void setActivePart(IAction action, IWorkbenchPart targetPart) {
mWorkbench = targetPart.getSite().getWorkbenchWindow().getWorkbench();
}
}
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