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/*******************************************************************************
* Copyright (c) 2007, 2010 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
* Sonatype, Inc. - ongoing development
*******************************************************************************/
package org.eclipse.equinox.internal.p2.ui.dialogs;
import java.net.URI;
import org.eclipse.equinox.internal.p2.ui.*;
import org.eclipse.equinox.internal.p2.ui.model.EmptyElementExplanation;
import org.eclipse.equinox.internal.p2.ui.query.IUViewQueryContext;
import org.eclipse.equinox.internal.p2.ui.viewers.*;
import org.eclipse.equinox.p2.engine.ProvisioningContext;
import org.eclipse.equinox.p2.metadata.IInstallableUnit;
import org.eclipse.equinox.p2.ui.ProvisioningUI;
import org.eclipse.jface.action.Action;
import org.eclipse.jface.action.IAction;
import org.eclipse.jface.dialogs.IDialogConstants;
import org.eclipse.jface.dialogs.IDialogSettings;
import org.eclipse.jface.resource.JFaceResources;
import org.eclipse.jface.viewers.*;
import org.eclipse.swt.SWT;
import org.eclipse.swt.custom.SashForm;
import org.eclipse.swt.dnd.*;
import org.eclipse.swt.events.*;
import org.eclipse.swt.layout.*;
import org.eclipse.swt.widgets.*;
public class AvailableIUsPage extends ProvisioningWizardPage implements ISelectableIUsPage {
private static final String DIALOG_SETTINGS_SECTION = "AvailableIUsPage"; //$NON-NLS-1$
private static final String AVAILABLE_VIEW_TYPE = "AvailableViewType"; //$NON-NLS-1$
private static final String SHOW_LATEST_VERSIONS_ONLY = "ShowLatestVersionsOnly"; //$NON-NLS-1$
private static final String HIDE_INSTALLED_IUS = "HideInstalledContent"; //$NON-NLS-1$
private static final String RESOLVE_ALL = "ResolveInstallWithAllSites"; //$NON-NLS-1$
private static final String NAME_COLUMN_WIDTH = "AvailableNameColumnWidth"; //$NON-NLS-1$
private static final String VERSION_COLUMN_WIDTH = "AvailableVersionColumnWidth"; //$NON-NLS-1$
private static final String LIST_WEIGHT = "AvailableListSashWeight"; //$NON-NLS-1$
private static final String DETAILS_WEIGHT = "AvailableDetailsSashWeight"; //$NON-NLS-1$
private static final String LINKACTION = "linkAction"; //$NON-NLS-1$
Object[] initialSelections;
IUViewQueryContext queryContext;
AvailableIUGroup availableIUGroup;
Composite availableIUButtonBar;
Link installLink;
Button useCategoriesCheckbox, hideInstalledCheckbox, showLatestVersionsCheckbox, resolveAllCheckbox;
SashForm sashForm;
IUColumnConfig nameColumn, versionColumn;
StructuredViewerProvisioningListener profileListener;
Display display;
int batchCount = 0;
RepositorySelectionGroup repoSelector;
IUDetailsGroup iuDetailsGroup;
public AvailableIUsPage(ProvisioningUI ui, ProvisioningOperationWizard wizard) {
super("AvailableSoftwarePage", ui, wizard); //$NON-NLS-1$
makeQueryContext();
setTitle(ProvUIMessages.AvailableIUsPage_Title);
setDescription(ProvUIMessages.AvailableIUsPage_Description);
}
/* (non-Javadoc)
* @see org.eclipse.jface.dialogs.IDialogPage#createControl(org.eclipse.swt.widgets.Composite)
*/
public void createControl(Composite parent) {
initializeDialogUnits(parent);
this.display = parent.getDisplay();
Composite composite = new Composite(parent, SWT.NONE);
GridData gd = new GridData(SWT.FILL, SWT.FILL, true, true);
composite.setLayoutData(gd);
setDropTarget(composite);
GridLayout layout = new GridLayout();
layout.marginWidth = 0;
composite.setLayout(layout);
// Repo manipulation
createRepoArea(composite);
sashForm = new SashForm(composite, SWT.VERTICAL);
FillLayout fill = new FillLayout();
sashForm.setLayout(fill);
GridData data = new GridData(GridData.FILL_BOTH);
sashForm.setLayoutData(data);
// Now the available group
// If repositories are visible, we want to default to showing no repos. Otherwise all.
int filterConstant = AvailableIUGroup.AVAILABLE_NONE;
if (!getPolicy().getRepositoriesVisible())
filterConstant = AvailableIUGroup.AVAILABLE_ALL;
nameColumn = new IUColumnConfig(ProvUIMessages.ProvUI_NameColumnTitle, IUColumnConfig.COLUMN_NAME, ILayoutConstants.DEFAULT_PRIMARY_COLUMN_WIDTH + 15);
versionColumn = new IUColumnConfig(ProvUIMessages.ProvUI_VersionColumnTitle, IUColumnConfig.COLUMN_VERSION, ILayoutConstants.DEFAULT_COLUMN_WIDTH);
getColumnWidthsFromSettings();
availableIUGroup = new AvailableIUGroup(getProvisioningUI(), sashForm, JFaceResources.getDialogFont(), queryContext, new IUColumnConfig[] {nameColumn, versionColumn}, filterConstant);
// Selection listeners must be registered on both the normal selection
// events and the check mark events. Must be done after buttons
// are created so that the buttons can register and receive their selection notifications before us.
availableIUGroup.getStructuredViewer().addSelectionChangedListener(new ISelectionChangedListener() {
public void selectionChanged(SelectionChangedEvent event) {
updateDetails();
iuDetailsGroup.enablePropertyLink(availableIUGroup.getSelectedIUElements().length == 1);
}
});
availableIUGroup.getCheckboxTreeViewer().addCheckStateListener(new ICheckStateListener() {
public void checkStateChanged(CheckStateChangedEvent event) {
updateSelection();
}
});
addViewerProvisioningListeners();
availableIUGroup.setUseBoldFontForFilteredItems(queryContext.getViewType() != IUViewQueryContext.AVAILABLE_VIEW_FLAT);
setDropTarget(availableIUGroup.getStructuredViewer().getControl());
activateCopy(availableIUGroup.getStructuredViewer().getControl());
// Details area
iuDetailsGroup = new IUDetailsGroup(sashForm, availableIUGroup.getStructuredViewer(), SWT.DEFAULT, true);
sashForm.setWeights(getSashWeights());
// Controls for filtering/presentation/site selection
Composite controlsComposite = new Composite(composite, SWT.NONE);
layout = new GridLayout();
layout.marginWidth = 0;
layout.marginHeight = 0;
layout.numColumns = 2;
layout.makeColumnsEqualWidth = true;
layout.verticalSpacing = convertVerticalDLUsToPixels(IDialogConstants.VERTICAL_SPACING);
controlsComposite.setLayout(layout);
gd = new GridData(SWT.FILL, SWT.FILL, true, false);
controlsComposite.setLayoutData(gd);
createViewControlsArea(controlsComposite);
initializeWidgetState();
setControl(composite);
composite.addDisposeListener(new DisposeListener() {
public void widgetDisposed(DisposeEvent e) {
removeProvisioningListeners();
}
});
}
private void createViewControlsArea(Composite parent) {
showLatestVersionsCheckbox = new Button(parent, SWT.CHECK);
showLatestVersionsCheckbox.setText(ProvUIMessages.AvailableIUsPage_ShowLatestVersions);
showLatestVersionsCheckbox.addSelectionListener(new SelectionListener() {
public void widgetDefaultSelected(SelectionEvent e) {
updateQueryContext();
availableIUGroup.updateAvailableViewState();
}
public void widgetSelected(SelectionEvent e) {
updateQueryContext();
availableIUGroup.updateAvailableViewState();
}
});
hideInstalledCheckbox = new Button(parent, SWT.CHECK);
hideInstalledCheckbox.setText(ProvUIMessages.AvailableIUsPage_HideInstalledItems);
hideInstalledCheckbox.addSelectionListener(new SelectionListener() {
public void widgetDefaultSelected(SelectionEvent e) {
updateQueryContext();
availableIUGroup.updateAvailableViewState();
}
public void widgetSelected(SelectionEvent e) {
updateQueryContext();
availableIUGroup.updateAvailableViewState();
}
});
useCategoriesCheckbox = new Button(parent, SWT.CHECK);
useCategoriesCheckbox.setText(ProvUIMessages.AvailableIUsPage_GroupByCategory);
useCategoriesCheckbox.addSelectionListener(new SelectionListener() {
public void widgetDefaultSelected(SelectionEvent e) {
updateQueryContext();
availableIUGroup.updateAvailableViewState();
}
public void widgetSelected(SelectionEvent e) {
updateQueryContext();
availableIUGroup.updateAvailableViewState();
}
});
GridData gd = new GridData(SWT.FILL, SWT.FILL, true, false);
gd.horizontalIndent = convertHorizontalDLUsToPixels(IDialogConstants.HORIZONTAL_MARGIN);
installLink = createLink(parent, new Action() {
public void runWithEvent(Event event) {
ProvUI.openInstallationDialog(event);
}
}, ProvUIMessages.AvailableIUsPage_GotoInstallInfo);
installLink.setLayoutData(gd);
if (getPolicy().getRepositoriesVisible()) {
// Checkbox
resolveAllCheckbox = new Button(parent, SWT.CHECK);
resolveAllCheckbox.setText(ProvUIMessages.AvailableIUsPage_ResolveAllCheckbox);
gd = new GridData(SWT.FILL, SWT.FILL, true, false);
gd.horizontalSpan = 2;
resolveAllCheckbox.setLayoutData(gd);
}
}
private void createRepoArea(Composite parent) {
// Site controls are only available if a repository manipulator
// is specified.
if (getPolicy().getRepositoriesVisible()) {
repoSelector = new RepositorySelectionGroup(getProvisioningUI(), getContainer(), parent, queryContext);
repoSelector.addRepositorySelectionListener(new IRepositorySelectionListener() {
public void repositorySelectionChanged(int repoChoice, URI repoLocation) {
repoComboSelectionChanged(repoChoice, repoLocation);
}
});
}
}
void repoComboSelectionChanged(int repoChoice, URI repoLocation) {
if (repoChoice == AvailableIUGroup.AVAILABLE_NONE) {
setDescription(ProvUIMessages.AvailableIUsPage_SelectASite);
} else {
setDescription(ProvUIMessages.AvailableIUsPage_Description);
}
availableIUGroup.setRepositoryFilter(repoChoice, repoLocation);
updateSelection();
}
void updateSelection() {
setPageComplete(availableIUGroup.getCheckedLeafIUs().length > 0);
getProvisioningWizard().mainPageSelectionsChanged();
}
void updateQueryContext() {
queryContext.setShowLatestVersionsOnly(showLatestVersionsCheckbox.getSelection());
if (hideInstalledCheckbox.getSelection())
queryContext.hideAlreadyInstalled(getProfileId());
else {
queryContext.showAlreadyInstalled();
queryContext.setInstalledProfileId(getProfileId());
}
if (useCategoriesCheckbox.getSelection())
queryContext.setViewType(IUViewQueryContext.AVAILABLE_VIEW_BY_CATEGORY);
else
queryContext.setViewType(IUViewQueryContext.AVAILABLE_VIEW_FLAT);
}
private Link createLink(Composite parent, IAction action, String text) {
Link link = new Link(parent, SWT.PUSH);
link.setText(text);
link.addListener(SWT.Selection, new Listener() {
public void handleEvent(Event event) {
IAction linkAction = getLinkAction(event.widget);
if (linkAction != null) {
linkAction.runWithEvent(event);
}
}
});
link.setToolTipText(action.getToolTipText());
link.setData(LINKACTION, action);
return link;
}
IAction getLinkAction(Widget widget) {
Object data = widget.getData(LINKACTION);
if (data == null || !(data instanceof IAction)) {
return null;
}
return (IAction) data;
}
private void setDropTarget(Control control) {
if (getPolicy().getRepositoriesVisible()) {
DropTarget target = new DropTarget(control, DND.DROP_MOVE | DND.DROP_COPY | DND.DROP_LINK);
target.setTransfer(new Transfer[] {URLTransfer.getInstance(), FileTransfer.getInstance()});
target.addDropListener(new RepositoryManipulatorDropTarget(getProvisioningUI(), control));
}
}
private void initializeWidgetState() {
// Set widgets according to query context
hideInstalledCheckbox.setSelection(queryContext.getHideAlreadyInstalled());
showLatestVersionsCheckbox.setSelection(queryContext.getShowLatestVersionsOnly());
useCategoriesCheckbox.setSelection(queryContext.shouldGroupByCategories());
availableIUGroup.updateAvailableViewState();
if (initialSelections != null)
availableIUGroup.setChecked(initialSelections);
// Focus should go on site combo unless it's not there. In that case, go to the filter text.
Control focusControl = null;
if (repoSelector != null)
focusControl = repoSelector.getDefaultFocusControl();
else
focusControl = availableIUGroup.getDefaultFocusControl();
if (focusControl != null)
focusControl.setFocus();
updateDetails();
iuDetailsGroup.enablePropertyLink(availableIUGroup.getSelectedIUElements().length == 1);
updateSelection();
if (repoSelector != null) {
repoSelector.setRepositorySelection(AvailableIUGroup.AVAILABLE_NONE, null);
setDescription(ProvUIMessages.AvailableIUsPage_SelectASite);
}
if (resolveAllCheckbox != null) {
IDialogSettings settings = ProvUIActivator.getDefault().getDialogSettings();
IDialogSettings section = settings.getSection(DIALOG_SETTINGS_SECTION);
String value = null;
if (section != null)
value = section.get(RESOLVE_ALL);
// no section or no value in the section
if (value == null)
resolveAllCheckbox.setSelection(true);
else
resolveAllCheckbox.setSelection(section.getBoolean(RESOLVE_ALL));
}
}
private void makeQueryContext() {
// Make a local query context that is based on the default.
IUViewQueryContext defaultQueryContext = ProvUI.getQueryContext(getPolicy());
queryContext = new IUViewQueryContext(defaultQueryContext.getViewType());
if (defaultQueryContext.getHideAlreadyInstalled()) {
queryContext.hideAlreadyInstalled(getProfileId());
} else {
queryContext.setInstalledProfileId(getProfileId());
}
queryContext.setShowLatestVersionsOnly(defaultQueryContext.getShowLatestVersionsOnly());
// Now check for saved away dialog settings
IDialogSettings settings = ProvUIActivator.getDefault().getDialogSettings();
IDialogSettings section = settings.getSection(DIALOG_SETTINGS_SECTION);
if (section != null) {
// View by...
try {
if (section.get(AVAILABLE_VIEW_TYPE) != null)
queryContext.setViewType(section.getInt(AVAILABLE_VIEW_TYPE));
} catch (NumberFormatException e) {
// Ignore if there actually was a value that didn't parse.
}
// We no longer (in 3.5) show a view by site, so ignore any older dialog setting that
// instructs us to do this.
if (queryContext.getViewType() == IUViewQueryContext.AVAILABLE_VIEW_BY_REPO)
queryContext.setViewType(IUViewQueryContext.AVAILABLE_VIEW_BY_CATEGORY);
// Show latest versions
if (section.get(SHOW_LATEST_VERSIONS_ONLY) != null)
queryContext.setShowLatestVersionsOnly(section.getBoolean(SHOW_LATEST_VERSIONS_ONLY));
// Hide installed content
boolean hideContent = section.getBoolean(HIDE_INSTALLED_IUS);
if (hideContent)
queryContext.hideAlreadyInstalled(getProfileId());
else {
queryContext.setInstalledProfileId(getProfileId());
queryContext.showAlreadyInstalled();
}
}
}
private void getColumnWidthsFromSettings() {
IDialogSettings settings = ProvUIActivator.getDefault().getDialogSettings();
IDialogSettings section = settings.getSection(DIALOG_SETTINGS_SECTION);
if (section != null) {
try {
if (section.get(NAME_COLUMN_WIDTH) != null)
nameColumn.setWidthInPixels(section.getInt(NAME_COLUMN_WIDTH));
if (section.get(VERSION_COLUMN_WIDTH) != null)
versionColumn.setWidthInPixels(section.getInt(VERSION_COLUMN_WIDTH));
} catch (NumberFormatException e) {
// Ignore if there actually was a value that didn't parse.
}
}
}
private int[] getSashWeights() {
IDialogSettings settings = ProvUIActivator.getDefault().getDialogSettings();
IDialogSettings section = settings.getSection(DIALOG_SETTINGS_SECTION);
if (section != null) {
try {
int[] weights = new int[2];
if (section.get(LIST_WEIGHT) != null) {
weights[0] = section.getInt(LIST_WEIGHT);
if (section.get(DETAILS_WEIGHT) != null) {
weights[1] = section.getInt(DETAILS_WEIGHT);
return weights;
}
}
} catch (NumberFormatException e) {
// Ignore if there actually was a value that didn't parse.
}
}
return ILayoutConstants.IUS_TO_DETAILS_WEIGHTS;
}
public void saveBoundsRelatedSettings() {
if (getShell().isDisposed())
return;
IDialogSettings settings = ProvUIActivator.getDefault().getDialogSettings();
IDialogSettings section = settings.getSection(DIALOG_SETTINGS_SECTION);
if (section == null) {
section = settings.addNewSection(DIALOG_SETTINGS_SECTION);
}
section.put(AVAILABLE_VIEW_TYPE, queryContext.getViewType());
section.put(SHOW_LATEST_VERSIONS_ONLY, showLatestVersionsCheckbox.getSelection());
section.put(HIDE_INSTALLED_IUS, hideInstalledCheckbox.getSelection());
if (resolveAllCheckbox != null)
section.put(RESOLVE_ALL, resolveAllCheckbox.getSelection());
TreeColumn col = availableIUGroup.getCheckboxTreeViewer().getTree().getColumn(0);
section.put(NAME_COLUMN_WIDTH, col.getWidth());
col = availableIUGroup.getCheckboxTreeViewer().getTree().getColumn(1);
section.put(VERSION_COLUMN_WIDTH, col.getWidth());
int[] weights = sashForm.getWeights();
section.put(LIST_WEIGHT, weights[0]);
section.put(DETAILS_WEIGHT, weights[1]);
}
void updateDetails() {
// First look for an empty explanation.
Object[] elements = ((IStructuredSelection) availableIUGroup.getStructuredViewer().getSelection()).toArray();
if (elements.length == 1 && elements[0] instanceof EmptyElementExplanation) {
String description = ((EmptyElementExplanation) elements[0]).getDescription();
if (description != null) {
iuDetailsGroup.setDetailText(description);
return;
}
}
// Now look for IU's
java.util.List<IInstallableUnit> selected = getSelectedIUs();
if (selected.size() == 1) {
StringBuffer result = new StringBuffer();
String description = selected.get(0).getProperty(IInstallableUnit.PROP_DESCRIPTION, null);
if (description != null) {
result.append(description);
} else {
String name = selected.get(0).getProperty(IInstallableUnit.PROP_NAME, null);
if (name != null)
result.append(name);
else
result.append(selected.get(0).getId());
result.append(" "); //$NON-NLS-1$
result.append(selected.get(0).getVersion().toString());
}
iuDetailsGroup.setDetailText(result.toString());
return;
}
iuDetailsGroup.setDetailText(""); //$NON-NLS-1$
}
public java.util.List<IInstallableUnit> getSelectedIUs() {
return availableIUGroup.getSelectedIUs();
}
/*
* This method is provided only for automated testing.
*/
public AvailableIUGroup testGetAvailableIUGroup() {
return availableIUGroup;
}
public IInstallableUnit[] getCheckedIUs() {
return availableIUGroup.getCheckedLeafIUs();
}
/*
* Overridden so that we don't call getNextPage().
* We use getNextPage() to start resolving the install 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();
}
/* (non-Javadoc)
* @see org.eclipse.equinox.internal.p2.ui.dialogs.ISelectableIUsPage#getCheckedIUElements()
*/
public Object[] getCheckedIUElements() {
return availableIUGroup.getCheckedLeafIUs();
}
/* (non-Javadoc)
* @see org.eclipse.equinox.internal.p2.ui.dialogs.ISelectableIUsPage#getSelectedIUElements()
*/
public Object[] getSelectedIUElements() {
return availableIUGroup.getSelectedIUElements();
}
/**
* Set the selections to be used in this page. This method only changes the
* selections of items that are already visible. It does not expand items
* or change the repository elements in order to make the selections valid.
*
* @param elements
*/
public void setCheckedElements(Object[] elements) {
if (availableIUGroup == null)
initialSelections = elements;
else
availableIUGroup.setChecked(elements);
}
void addViewerProvisioningListeners() {
// We might need to adjust the content of the available IU group's viewer
// according to installation changes. We want to be very selective about refreshing,
// because the viewer has its own listeners installed.
profileListener = new StructuredViewerProvisioningListener(availableIUGroup.getStructuredViewer(), ProvUIProvisioningListener.PROV_EVENT_PROFILE) {
protected void profileAdded(String id) {
// do nothing
}
protected void profileRemoved(String id) {
// do nothing
}
protected void profileChanged(String id) {
if (id.equals(getProfileId())) {
safeRefresh();
}
}
};
ProvUI.addProvisioningListener(profileListener);
}
void removeProvisioningListeners() {
if (profileListener != null) {
ProvUI.removeProvisioningListener(profileListener);
profileListener = null;
}
}
protected String getClipboardText(Control control) {
// The default label provider constructor uses the default column config.
// since we passed the default column config to the available iu group,
// we know that this label provider matches the one used there.
return CopyUtils.getIndentedClipboardText(getSelectedIUElements(), new IUDetailsLabelProvider());
}
public ProvisioningContext getProvisioningContext() {
// If the user can't manipulate repos, always resolve against everything
if (!getPolicy().getRepositoriesVisible() || repoSelector == null) {
return new ProvisioningContext();
}
// Consult the checkbox to see if we should resolve against everything,
// or use the combo to determine what to do.
if (resolveAllCheckbox.getSelection())
return new ProvisioningContext();
// Use the contents of the combo to determine the context
return repoSelector.getProvisioningContext();
}
}
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