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/*******************************************************************************
* Copyright (c) 2008, 2009 IBM Corporation and others.
* 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:
* IBM Corporation - initial API and implementation
* EclipseSource - ongoing development
*******************************************************************************/
package org.eclipse.equinox.internal.p2.ui.dialogs;
import org.eclipse.equinox.internal.p2.ui.model.ElementUtils;
import org.eclipse.equinox.internal.p2.ui.model.IUElementListRoot;
import org.eclipse.equinox.internal.p2.ui.viewers.IUDetailsLabelProvider;
import org.eclipse.equinox.internal.provisional.p2.metadata.IInstallableUnit;
import org.eclipse.equinox.internal.provisional.p2.ui.IUPropertyUtils;
import org.eclipse.equinox.internal.provisional.p2.ui.ProvUI;
import org.eclipse.equinox.internal.provisional.p2.ui.policy.Policy;
import org.eclipse.equinox.internal.provisional.p2.ui.viewers.*;
import org.eclipse.jface.dialogs.Dialog;
import org.eclipse.jface.viewers.*;
import org.eclipse.swt.SWT;
import org.eclipse.swt.custom.SashForm;
import org.eclipse.swt.layout.*;
import org.eclipse.swt.widgets.*;
/**
* A wizard page that presents a check box list of IUs and allows the user
* to select and deselect them. Typically the first page in a provisioning
* operation wizard.
*
* @since 3.5
*
*/
public class SelectableIUsPage extends ProvisioningWizardPage implements ISelectableIUsPage {
IUElementListRoot root;
Object[] initialSelections;
CheckboxTableViewer tableViewer;
Text detailsArea;
IUDetailsGroup iuDetailsGroup;
ProvElementContentProvider contentProvider;
IUDetailsLabelProvider labelProvider;
protected Display display;
protected Policy policy;
String profileId;
public SelectableIUsPage(Policy policy, IUElementListRoot root, Object[] initialSelections, String profileId) {
super("IUSelectionPage"); //$NON-NLS-1$
this.root = root;
this.policy = policy;
this.initialSelections = initialSelections;
this.profileId = profileId;
}
/*
* (non-Javadoc)
* @see org.eclipse.jface.dialogs.IDialogPage#createControl(org.eclipse.swt.widgets.Composite)
*/
public void createControl(Composite parent) {
display = parent.getDisplay();
SashForm sashForm = new SashForm(parent, SWT.VERTICAL);
FillLayout layout = new FillLayout();
sashForm.setLayout(layout);
GridData data = new GridData(GridData.FILL_BOTH);
sashForm.setLayoutData(data);
initializeDialogUnits(sashForm);
Composite composite = new Composite(sashForm, SWT.NONE);
GridLayout gridLayout = new GridLayout();
gridLayout.marginWidth = 0;
gridLayout.marginHeight = 0;
composite.setLayout(gridLayout);
tableViewer = createTableViewer(composite);
data = new GridData(GridData.FILL_BOTH);
data.heightHint = convertHeightInCharsToPixels(ILayoutConstants.DEFAULT_TABLE_HEIGHT);
data.widthHint = convertWidthInCharsToPixels(ILayoutConstants.DEFAULT_TABLE_WIDTH);
Table table = tableViewer.getTable();
table.setLayoutData(data);
table.setHeaderVisible(true);
activateCopy(table);
IUColumnConfig[] columns = ProvUI.getIUColumnConfig();
for (int i = 0; i < columns.length; i++) {
TableColumn tc = new TableColumn(table, SWT.LEFT, i);
tc.setResizable(true);
tc.setText(columns[i].columnTitle);
if (columns[i].columnField == IUColumnConfig.COLUMN_SIZE) {
tc.setAlignment(SWT.RIGHT);
tc.setWidth(convertWidthInCharsToPixels(ILayoutConstants.DEFAULT_SMALL_COLUMN_WIDTH));
} else
tc.setWidth(convertWidthInCharsToPixels(ILayoutConstants.DEFAULT_COLUMN_WIDTH));
}
tableViewer.addSelectionChangedListener(new ISelectionChangedListener() {
public void selectionChanged(SelectionChangedEvent event) {
updateDetails();
iuDetailsGroup.enablePropertyLink(!event.getSelection().isEmpty());
}
});
tableViewer.addCheckStateListener(new ICheckStateListener() {
public void checkStateChanged(CheckStateChangedEvent event) {
setPageComplete(tableViewer.getCheckedElements().length > 0);
}
});
// Filters and sorters before establishing content, so we don't refresh unnecessarily.
IUComparator comparator = new IUComparator(IUComparator.IU_NAME);
comparator.useColumnConfig(ProvUI.getIUColumnConfig());
tableViewer.setComparator(comparator);
tableViewer.setComparer(new ProvElementComparer());
contentProvider = new ProvElementContentProvider();
tableViewer.setContentProvider(contentProvider);
tableViewer.setInput(root);
labelProvider = new IUDetailsLabelProvider(null, ProvUI.getIUColumnConfig(), getShell());
tableViewer.setLabelProvider(labelProvider);
setInitialCheckState();
// The text area shows a description of the selected IU, or error detail if applicable.
iuDetailsGroup = new IUDetailsGroup(sashForm, tableViewer, convertWidthInCharsToPixels(ILayoutConstants.DEFAULT_TABLE_WIDTH), false);
detailsArea = iuDetailsGroup.getDetailsArea();
setControl(sashForm);
sashForm.setWeights(new int[] {80, 20});
Dialog.applyDialogFont(sashForm);
}
protected CheckboxTableViewer createTableViewer(Composite parent) {
// The viewer allows selection of IU's for browsing the details,
// and checking to include in the provisioning operation.
CheckboxTableViewer v = CheckboxTableViewer.newCheckList(parent, SWT.BORDER | SWT.FULL_SELECTION);
return v;
}
protected void updateDetails() {
detailsArea.setText(getDetailText());
}
String getDetailText() {
IInstallableUnit[] ius = ElementUtils.elementsToIUs(getSelectedIUElements());
String description = null;
if (ius.length > 0) {
description = IUPropertyUtils.getIUProperty(ius[0], IInstallableUnit.PROP_DESCRIPTION);
}
if (description == null)
description = ""; //$NON-NLS-1$
return description;
}
public Object[] getCheckedIUElements() {
return tableViewer.getCheckedElements();
}
public Object[] getSelectedIUElements() {
return ((IStructuredSelection) tableViewer.getSelection()).toArray();
}
protected Object[] getSelectedElements() {
return ((IStructuredSelection) tableViewer.getSelection()).toArray();
}
protected IInstallableUnit[] elementsToIUs(Object[] elements) {
IInstallableUnit[] theIUs = new IInstallableUnit[elements.length];
for (int i = 0; i < elements.length; i++) {
theIUs[i] = (IInstallableUnit) ProvUI.getAdapter(elements[i], IInstallableUnit.class);
}
return theIUs;
}
protected void setInitialCheckState() {
tableViewer.setCheckedElements(initialSelections);
}
/*
* Overridden so that we don't call getNextPage().
* We use getNextPage() to start resolving the operation so
* we only want to do that when the next button is pressed.
*
* (non-Javadoc)
* @see org.eclipse.jface.wizard.WizardPage#canFlipToNextPage()
*/
public boolean canFlipToNextPage() {
return isPageComplete();
}
protected String getClipboardText(Control control) {
StringBuffer buffer = new StringBuffer();
Object[] elements = getSelectedElements();
for (int i = 0; i < elements.length; i++) {
if (i > 0)
buffer.append(CopyUtils.NEWLINE);
buffer.append(labelProvider.getClipboardText(elements[i], CopyUtils.DELIMITER));
}
return buffer.toString();
}
}
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