/*
* ====================================================================
*
* The ObjectStyle Group Software License, Version 1.0
*
* Copyright (c) 2006 The ObjectStyle Group and individual authors of the
* software. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
*
* 3. The end-user documentation included with the redistribution, if any, must
* include the following acknowlegement: "This product includes software
* developed by the ObjectStyle Group (http://objectstyle.org/)." Alternately,
* this acknowlegement may appear in the software itself, if and wherever such
* third-party acknowlegements normally appear.
*
* 4. The names "ObjectStyle Group" and "Cayenne" must not be used to endorse or
* promote products derived from this software without prior written permission.
* For written permission, please contact andrus@objectstyle.org.
*
* 5. Products derived from this software may not be called "ObjectStyle" nor
* may "ObjectStyle" appear in their names without prior written permission of
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*
* THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED WARRANTIES,
* INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
* FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
* OBJECTSTYLE GROUP OR ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA,
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* EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
* ====================================================================
*
* This software consists of voluntary contributions made by many individuals on
* behalf of the ObjectStyle Group. For more information on the ObjectStyle
* Group, please see <http://objectstyle.org/>.
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*/
package org.objectstyle.wolips.eomodeler.editors.fetchspec;
import java.util.Iterator;
import org.eclipse.jface.viewers.ISelection;
import org.eclipse.jface.viewers.ISelectionChangedListener;
import org.eclipse.jface.viewers.IStructuredSelection;
import org.eclipse.jface.viewers.SelectionChangedEvent;
import org.eclipse.jface.viewers.TableViewer;
import org.eclipse.jface.viewers.TreeViewer;
import org.eclipse.swt.SWT;
import org.eclipse.swt.events.SelectionEvent;
import org.eclipse.swt.events.SelectionListener;
import org.eclipse.swt.layout.FormLayout;
import org.eclipse.swt.layout.GridData;
import org.eclipse.swt.layout.GridLayout;
import org.eclipse.swt.widgets.Button;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.ui.IWorkbenchPart;
import org.eclipse.ui.views.properties.tabbed.AbstractPropertySection;
import org.eclipse.ui.views.properties.tabbed.TabbedPropertySheetPage;
import org.objectstyle.wolips.baseforplugins.util.ComparisonUtils;
import org.objectstyle.wolips.eomodeler.Messages;
import org.objectstyle.wolips.eomodeler.core.model.EOAttribute;
import org.objectstyle.wolips.eomodeler.core.model.EOAttributePath;
import org.objectstyle.wolips.eomodeler.core.model.EOFetchSpecification;
import org.objectstyle.wolips.eomodeler.outline.EOEntityTreeViewUpdater;
import org.objectstyle.wolips.eomodeler.outline.EOModelOutlineContentProvider;
import org.objectstyle.wolips.eomodeler.utils.AddRemoveButtonGroup;
import org.objectstyle.wolips.eomodeler.utils.FormUtils;
import org.objectstyle.wolips.eomodeler.utils.TableRefreshPropertyListener;
import org.objectstyle.wolips.eomodeler.utils.TableUtils;
public class EOFetchSpecRawFetchEditorSection extends AbstractPropertySection implements ISelectionChangedListener, SelectionListener {
private EOFetchSpecification myFetchSpecification;
private TreeViewer myModelTreeViewer;
private TableViewer myRawRowKeyPathsTableViewer;
private AddRemoveButtonGroup myAddRemoveButtonGroup;
private EOEntityTreeViewUpdater myEntityTreeViewUpdater;
private TableRefreshPropertyListener myRawRowKeyPathsChangedRefresher;
private Button myFetchEnterpriseObjectsButton;
private Button myFetchAllAttributesAsRawRowsButton;
private Button myFetchSpecificAttributesAsRawRowsButton;
public EOFetchSpecRawFetchEditorSection() {
// DO NOTHING
}
@Override
public boolean shouldUseExtraSpace() {
return true;
}
public void createControls(Composite _parent, TabbedPropertySheetPage _tabbedPropertySheetPage) {
super.createControls(_parent, _tabbedPropertySheetPage);
Composite form = getWidgetFactory().createPlainComposite(_parent, SWT.NONE);
FormLayout formLayout = new FormLayout();
form.setLayout(formLayout);
Composite topForm = FormUtils.createForm(getWidgetFactory(), form, 1);
Composite fetchStyleComposite = getWidgetFactory().createPlainComposite(topForm, SWT.NONE);
GridLayout fetchStyleLayout = new GridLayout();
fetchStyleComposite.setLayout(fetchStyleLayout);
myFetchEnterpriseObjectsButton = new Button(fetchStyleComposite, SWT.RADIO);
myFetchEnterpriseObjectsButton.setText(Messages.getString("EOFetchSpecRawFetchEditorSection.fetchEnterpriseObjects")); //$NON-NLS-1$
myFetchAllAttributesAsRawRowsButton = new Button(fetchStyleComposite, SWT.RADIO);
myFetchAllAttributesAsRawRowsButton.setText(Messages.getString("EOFetchSpecRawFetchEditorSection.fetchAllAttributes")); //$NON-NLS-1$
myFetchSpecificAttributesAsRawRowsButton = new Button(fetchStyleComposite, SWT.RADIO);
myFetchSpecificAttributesAsRawRowsButton.setText(Messages.getString("EOFetchSpecRawFetchEditorSection.fetchSpecificAttributes")); //$NON-NLS-1$
myModelTreeViewer = new TreeViewer(topForm);
GridData modelTreeLayoutData = new GridData(GridData.FILL_HORIZONTAL);
modelTreeLayoutData.heightHint = 100;
myModelTreeViewer.getTree().setLayoutData(modelTreeLayoutData);
myEntityTreeViewUpdater = new EOEntityTreeViewUpdater(myModelTreeViewer, new EOModelOutlineContentProvider(true, true, true, false, false, false, false, true));
myModelTreeViewer.addSelectionChangedListener(this);
myRawRowKeyPathsTableViewer = TableUtils.createTableViewer(topForm, "EOFetchSpecification", EORawRowKeyPathsConstants.COLUMNS, new RawRowKeyPathsContentProvider(), new RawRowKeyPathsLabelProvider(EORawRowKeyPathsConstants.COLUMNS), new RawRowKeyPathsViewerSorter(EORawRowKeyPathsConstants.COLUMNS));
GridData rawRowKeyPathsTableLayoutData = new GridData(GridData.FILL_BOTH);
rawRowKeyPathsTableLayoutData.heightHint = 100;
myRawRowKeyPathsTableViewer.getTable().setLayoutData(rawRowKeyPathsTableLayoutData);
myRawRowKeyPathsTableViewer.addSelectionChangedListener(this);
myRawRowKeyPathsChangedRefresher = new TableRefreshPropertyListener("RawRowKeyPathsChanged", myRawRowKeyPathsTableViewer);
myAddRemoveButtonGroup = new AddRemoveButtonGroup(topForm, new AddRawRowKeyPathHandler(), new RemoveRawRowKeyPathHandler());
myAddRemoveButtonGroup.setLayoutData(new GridData(GridData.FILL_HORIZONTAL));
}
public void setInput(IWorkbenchPart part, ISelection selection) {
if (ComparisonUtils.equals(selection, getSelection())) {
return;
}
super.setInput(part, selection);
disposeBindings();
Object selectedObject = ((IStructuredSelection) selection).getFirstElement();
myFetchSpecification = (EOFetchSpecification) selectedObject;
if (myFetchSpecification != null) {
myFetchSpecification.addPropertyChangeListener(EOFetchSpecification.RAW_ROW_KEY_PATHS, myRawRowKeyPathsChangedRefresher);
myEntityTreeViewUpdater.setEntity(myFetchSpecification.getEntity());
myRawRowKeyPathsTableViewer.setInput(myFetchSpecification);
TableUtils.packTableColumns(myRawRowKeyPathsTableViewer);
updateButtonsEnabled();
}
}
protected void disposeBindings() {
if (myFetchSpecification != null) {
myFetchSpecification.removePropertyChangeListener(EOFetchSpecification.RAW_ROW_KEY_PATHS, myRawRowKeyPathsChangedRefresher);
}
}
protected void removeButtonListeners() {
myFetchEnterpriseObjectsButton.removeSelectionListener(this);
myFetchAllAttributesAsRawRowsButton.removeSelectionListener(this);
myFetchSpecificAttributesAsRawRowsButton.removeSelectionListener(this);
}
protected void addButtonListeners() {
myFetchEnterpriseObjectsButton.addSelectionListener(this);
myFetchAllAttributesAsRawRowsButton.addSelectionListener(this);
myFetchSpecificAttributesAsRawRowsButton.addSelectionListener(this);
}
public void dispose() {
super.dispose();
disposeBindings();
}
public void widgetDefaultSelected(SelectionEvent _e) {
widgetSelected(_e);
}
public void widgetSelected(SelectionEvent _e) {
Object source = _e.getSource();
if (source == myFetchEnterpriseObjectsButton) {
myFetchSpecification.fetchEnterpriseObjects();
} else if (source == myFetchAllAttributesAsRawRowsButton) {
myFetchSpecification.fetchAllAttributesAsRawRows();
} else if (source == myFetchSpecificAttributesAsRawRowsButton) {
myFetchSpecification.fetchSpecificAttributesAsRawRows();
}
updateButtonsEnabled();
}
public void addRawRowKeyPath() {
IStructuredSelection selection = (IStructuredSelection) myModelTreeViewer.getSelection();
Object selectedObject = selection.getFirstElement();
String path;
if (selectedObject instanceof EOAttributePath) {
path = ((EOAttributePath) selectedObject).toKeyPath();
} else if (selectedObject instanceof EOAttribute) {
path = ((EOAttribute) selectedObject).getName();
} else {
path = null;
}
if (path != null) {
myFetchSpecification.addRawRowKeyPath(path, true);
TableUtils.packTableColumns(myRawRowKeyPathsTableViewer);
updateButtonsEnabled();
}
}
public void removePrefetchKeyPath() {
IStructuredSelection selection = (IStructuredSelection) myRawRowKeyPathsTableViewer.getSelection();
Iterator selectedObjectsIter = selection.toList().iterator();
while (selectedObjectsIter.hasNext()) {
String rawRowKeyPath = (String) selectedObjectsIter.next();
myFetchSpecification.removeRawRowKeyPath(rawRowKeyPath, true);
}
updateButtonsEnabled();
}
public void updateButtonsEnabled() {
removeButtonListeners();
if (myFetchSpecification.isFetchEnterpriseObjects()) {
myFetchEnterpriseObjectsButton.setSelection(true);
myFetchAllAttributesAsRawRowsButton.setSelection(false);
myFetchSpecificAttributesAsRawRowsButton.setSelection(false);
} else if (myFetchSpecification.isFetchAllAttributesAsRawRows()) {
myFetchEnterpriseObjectsButton.setSelection(false);
myFetchAllAttributesAsRawRowsButton.setSelection(true);
myFetchSpecificAttributesAsRawRowsButton.setSelection(false);
} else {
myFetchEnterpriseObjectsButton.setSelection(false);
myFetchAllAttributesAsRawRowsButton.setSelection(false);
myFetchSpecificAttributesAsRawRowsButton.setSelection(true);
}
addButtonListeners();
boolean enabled = myFetchSpecification.isFetchSpecificAttributesAsRawRows();
Object selectedObject = ((IStructuredSelection) myModelTreeViewer.getSelection()).getFirstElement();
boolean addEnabled = (selectedObject instanceof EOAttributePath || selectedObject instanceof EOAttribute);
myModelTreeViewer.getTree().setEnabled(enabled);
myAddRemoveButtonGroup.setAddEnabled(enabled && addEnabled);
myAddRemoveButtonGroup.setRemoveEnabled(enabled && !myRawRowKeyPathsTableViewer.getSelection().isEmpty());
}
public void selectionChanged(SelectionChangedEvent _event) {
updateButtonsEnabled();
}
protected class AddRawRowKeyPathHandler implements SelectionListener {
public void widgetDefaultSelected(SelectionEvent _e) {
widgetSelected(_e);
}
public void widgetSelected(SelectionEvent _e) {
EOFetchSpecRawFetchEditorSection.this.addRawRowKeyPath();
}
}
protected class RemoveRawRowKeyPathHandler implements SelectionListener {
public void widgetDefaultSelected(SelectionEvent _e) {
widgetSelected(_e);
}
public void widgetSelected(SelectionEvent _e) {
EOFetchSpecRawFetchEditorSection.this.removePrefetchKeyPath();
}
}
}