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Diffstat (limited to 'eclipse/java/Slice2javaPlugin/src/com/zeroc/slice2javaplugin/properties/SourceSelectionDialog.java')
| -rw-r--r-- | eclipse/java/Slice2javaPlugin/src/com/zeroc/slice2javaplugin/properties/SourceSelectionDialog.java | 254 |
1 files changed, 254 insertions, 0 deletions
diff --git a/eclipse/java/Slice2javaPlugin/src/com/zeroc/slice2javaplugin/properties/SourceSelectionDialog.java b/eclipse/java/Slice2javaPlugin/src/com/zeroc/slice2javaplugin/properties/SourceSelectionDialog.java new file mode 100644 index 00000000000..b9634da3415 --- /dev/null +++ b/eclipse/java/Slice2javaPlugin/src/com/zeroc/slice2javaplugin/properties/SourceSelectionDialog.java @@ -0,0 +1,254 @@ +// ********************************************************************** +// +// Copyright (c) 2003-2011 ZeroC, Inc. All rights reserved. +// +// This plug-in is provided to you under the terms and conditions +// of the Eclipse Public License Version 1.0 ("EPL"). A copy of +// the EPL is available at http://www.eclipse.org/legal/epl-v10.html. +// +// ********************************************************************** + +package com.zeroc.slice2javaplugin.properties; + +import java.util.ArrayList; +import java.util.Iterator; + +import org.eclipse.core.resources.IContainer; +import org.eclipse.core.resources.IFolder; +import org.eclipse.core.resources.IProject; +import org.eclipse.core.resources.IResource; +import org.eclipse.core.runtime.CoreException; +import org.eclipse.jface.viewers.CheckStateChangedEvent; +import org.eclipse.jface.viewers.CheckboxTreeViewer; +import org.eclipse.jface.viewers.ICheckStateListener; +import org.eclipse.jface.viewers.ISelectionChangedListener; +import org.eclipse.jface.viewers.ITreeContentProvider; +import org.eclipse.jface.viewers.SelectionChangedEvent; +import org.eclipse.jface.viewers.TreeSelection; +import org.eclipse.swt.SWT; +import org.eclipse.swt.layout.GridData; +import org.eclipse.swt.widgets.Composite; +import org.eclipse.swt.widgets.Control; +import org.eclipse.swt.widgets.Shell; +import org.eclipse.swt.widgets.Tree; +import org.eclipse.ui.dialogs.SelectionDialog; +import org.eclipse.ui.model.WorkbenchContentProvider; +import org.eclipse.ui.model.WorkbenchLabelProvider; + +class SourceSelectionDialog extends SelectionDialog +{ + // Do we allow multiple selections? + private boolean multiple = true; + + // the root element to populate the viewer with + private IProject root; + + // the visual selection widget group + private CheckboxTreeViewer selectionGroup; + + // constants + private final static int SIZING_SELECTION_WIDGET_WIDTH = 400; + + private final static int SIZING_SELECTION_WIDGET_HEIGHT = 300; + + /** + * Creates a resource selection dialog rooted at the given element. + * + * @param parentShell + * the parent shell + * @param rootElement + * the root element to populate this dialog with + * @param message + * the message to be displayed at the top of this dialog, or + * <code>null</code> to display a default message + */ + public SourceSelectionDialog(Shell parentShell, IProject project, String message) + { + super(parentShell); + setTitle("Source Folder Selection"); + root = project; + if(message != null) + { + setMessage(message); + } + else + { + setMessage("Select source folder:"); + } + } + + public void setMultiple(boolean m) + { + multiple = m; + } + + /* + * (non-Javadoc) Method declared in Window. + */ + protected void configureShell(Shell shell) + { + super.configureShell(shell); + //PlatformUI.getWorkbench().getHelpSystem().setHelp(shell, IIDEHelpContextIds.RESOURCE_SELECTION_DIALOG); + } + + public void create() + { + super.create(); + initializeDialog(); + } + + /* + * (non-Javadoc) Method declared on Dialog. + */ + protected Control createDialogArea(Composite parent) + { + // page group + Composite composite = (Composite) super.createDialogArea(parent); + + // create the input element, which has the root resource + // as its only child + ArrayList<IProject> input = new ArrayList<IProject>(); + input.add(root); + + createMessageArea(composite); + + Tree tree = new Tree(composite, ((multiple) ? SWT.CHECK : SWT.SINGLE) | SWT.BORDER); + GridData data = new GridData(GridData.FILL_BOTH); + data.widthHint = SIZING_SELECTION_WIDGET_WIDTH; + data.heightHint = SIZING_SELECTION_WIDGET_HEIGHT; + tree.setLayoutData(data); + tree.setFont(parent.getFont()); + + selectionGroup = new CheckboxTreeViewer(tree); + selectionGroup.setContentProvider(getResourceProvider(IResource.FILE | IResource.PROJECT)); + selectionGroup.setLabelProvider(WorkbenchLabelProvider.getDecoratingWorkbenchLabelProvider()); + selectionGroup.setInput(input); + + selectionGroup.expandToLevel(2); + + return composite; + } + + /** + * Returns a content provider for <code>IResource</code>s that returns only + * children of the given resource type. + */ + private ITreeContentProvider getResourceProvider(final int resourceType) + { + return new WorkbenchContentProvider() + { + @SuppressWarnings("unchecked") + public Object[] getChildren(Object o) + { + if(o instanceof IContainer) + { + IResource[] members = null; + try + { + members = ((IContainer) o).members(); + } + catch(CoreException e) + { + // just return an empty set of children + return new Object[0]; + } + + // filter out the desired resource types + ArrayList<Object> results = new ArrayList<Object>(); + for(int i = 0; i < members.length; i++) + { + if(members[i] instanceof IFolder) + { + results.add(members[i]); + } + } + return results.toArray(); + } + // input element case + if(o instanceof ArrayList) + { + return ((ArrayList<Object>) o).toArray(); + } + return new Object[0]; + } + }; + } + + /** + * Initializes this dialog's controls. + */ + private void initializeDialog() + { + getOkButton().setEnabled(false); + if(multiple) + { + selectionGroup.addCheckStateListener(new ICheckStateListener() + { + public void checkStateChanged(CheckStateChangedEvent event) + { + if(!event.getChecked() && selectionGroup.getGrayed(event.getElement())) + { + selectionGroup.setChecked(event.getElement(), true); + } + else + { + int count = selectionGroup.getCheckedElements().length - getInitialElementSelections().size(); + getOkButton().setEnabled(count > 0); + } + } + }); + + for(Iterator<?> iter = getInitialElementSelections().iterator(); iter.hasNext(); ) + { + IResource cur = (IResource)iter.next(); + selectionGroup.setGrayChecked(cur, true); + } + } + else + { + selectionGroup.addSelectionChangedListener(new ISelectionChangedListener() + { + public void selectionChanged(SelectionChangedEvent event) + { + getOkButton().setEnabled(true); + } + }); + } + } + + /** + * The <code>ResourceSelectionDialog</code> implementation of this + * <code>Dialog</code> method builds a list of the selected resources for + * later retrieval by the client and closes this dialog. + */ + protected void okPressed() + { + /* + * Iterator resultEnum = selectionGroup.getAllCheckedListItems(); + * ArrayList list = new ArrayList(); while (resultEnum.hasNext()) { + * list.add(resultEnum.next()); } setResult(list); + */ + ArrayList<Object> list = new ArrayList<Object>(); + if(multiple) + { + Object[] objs = selectionGroup.getCheckedElements(); + for(int i = 0; i < objs.length; ++i) + { + if(!selectionGroup.getGrayed(objs[i])) + { + list.add(objs[i]); + } + } + } + else + { + TreeSelection obj = (TreeSelection)selectionGroup.getSelection(); + if(!obj.isEmpty()) + { + list.add(obj.getFirstElement()); + } + } + setResult(list); + super.okPressed(); + } +} |