| /******************************************************************************* |
| * Copyright (c) 2007, 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 |
| *******************************************************************************/ |
| package org.eclipse.equinox.internal.p2.ui.model; |
| |
| import java.net.URI; |
| import org.eclipse.core.runtime.IProgressMonitor; |
| import org.eclipse.core.runtime.SubMonitor; |
| import org.eclipse.equinox.internal.p2.ui.ProvUIMessages; |
| import org.eclipse.equinox.internal.provisional.p2.core.ProvisionException; |
| import org.eclipse.equinox.internal.provisional.p2.director.ProfileChangeRequest; |
| import org.eclipse.equinox.internal.provisional.p2.director.ProvisioningPlan; |
| import org.eclipse.equinox.internal.provisional.p2.engine.IProfile; |
| import org.eclipse.equinox.internal.provisional.p2.engine.ProvisioningContext; |
| import org.eclipse.equinox.internal.provisional.p2.metadata.IInstallableUnit; |
| import org.eclipse.equinox.internal.provisional.p2.metadata.IRequiredCapability; |
| import org.eclipse.equinox.internal.provisional.p2.repository.IRepository; |
| import org.eclipse.equinox.internal.provisional.p2.ui.ProvUIImages; |
| import org.eclipse.equinox.internal.provisional.p2.ui.operations.ProvisioningUtil; |
| import org.eclipse.equinox.internal.provisional.p2.ui.policy.Policy; |
| import org.eclipse.equinox.internal.provisional.p2.ui.policy.QueryProvider; |
| |
| /** |
| * Element wrapper class for IU's that are available for installation. |
| * Used instead of the plain IU when additional information such as sizing |
| * info is necessary. |
| * |
| * @since 3.4 |
| */ |
| public class AvailableIUElement extends QueriedElement implements IIUElement { |
| |
| IInstallableUnit iu; |
| boolean shouldShowChildren = Policy.getDefault().getQueryContext().getShowAvailableChildren(); |
| boolean isInstalled = false; |
| boolean isUpdate = false; |
| |
| // Currently this variable is not settable due to the |
| // poor performance of sizing, but it is kept here for future improvement. |
| // If we reinstate the ability to compute individual sizes we would |
| // probably refer to some preference or policy to decide what to do. |
| // See https://bugs.eclipse.org/bugs/show_bug.cgi?id=221087 |
| private static boolean shouldShowSize = false; |
| long size = IIUElement.SIZE_UNKNOWN; |
| String profileID; |
| |
| public AvailableIUElement(Object parent, IInstallableUnit iu, String profileID, boolean showChildren) { |
| super(parent); |
| this.iu = iu; |
| this.profileID = profileID; |
| this.shouldShowChildren = showChildren; |
| } |
| |
| /* |
| * (non-Javadoc) |
| * |
| * @see org.eclipse.equinox.internal.provisional.p2.ui.model.ProvElement#getImageID(java.lang.Object) |
| */ |
| protected String getImageId(Object obj) { |
| if (isUpdate) |
| return ProvUIImages.IMG_UPDATED_IU; |
| else if (isInstalled) |
| return ProvUIImages.IMG_DISABLED_IU; |
| return ProvUIImages.IMG_IU; |
| } |
| |
| public String getLabel(Object o) { |
| return iu.getId(); |
| } |
| |
| public Object getAdapter(Class adapter) { |
| if (adapter == IInstallableUnit.class) |
| return iu; |
| return super.getAdapter(adapter); |
| } |
| |
| public long getSize() { |
| return size; |
| } |
| |
| public void computeSize(IProgressMonitor monitor) { |
| if (profileID == null) |
| return; |
| try { |
| SubMonitor mon = SubMonitor.convert(monitor, 100); |
| ProvisioningPlan plan = getSizingPlan(mon.newChild(50)); |
| size = ProvisioningUtil.getSize(plan, profileID, getProvisioningContext(), mon.newChild(50)); |
| } catch (ProvisionException e) { |
| handleException(e, ProvUIMessages.AvailableIUElement_ProfileNotFound); |
| size = IIUElement.SIZE_UNAVAILABLE; |
| } |
| } |
| |
| protected IProfile getProfile() throws ProvisionException { |
| return ProvisioningUtil.getProfile(profileID); |
| } |
| |
| protected ProvisioningPlan getSizingPlan(IProgressMonitor monitor) throws ProvisionException { |
| ProfileChangeRequest request = ProfileChangeRequest.createByProfileId(profileID); |
| request.addInstallableUnits(new IInstallableUnit[] {getIU()}); |
| return ProvisioningUtil.getProvisioningPlan(request, getProvisioningContext(), monitor); |
| } |
| |
| public IInstallableUnit getIU() { |
| return iu; |
| } |
| |
| public boolean shouldShowSize() { |
| return shouldShowSize; |
| } |
| |
| public boolean shouldShowVersion() { |
| return true; |
| } |
| |
| /* (non-Javadoc) |
| * @see org.eclipse.equinox.internal.p2.ui.model.QueriedElement#getDefaultQueryType() |
| */ |
| protected int getDefaultQueryType() { |
| return QueryProvider.AVAILABLE_IUS; |
| } |
| |
| /* (non-Javadoc) |
| * @see org.eclipse.equinox.internal.p2.ui.model.IUElement#getRequirements() |
| */ |
| public IRequiredCapability[] getRequirements() { |
| return iu.getRequiredCapabilities(); |
| } |
| |
| /* (non-Javadoc) |
| * @see org.eclipse.equinox.internal.p2.ui.model.IIUElement#shouldShowChildren() |
| */ |
| public boolean shouldShowChildren() { |
| return shouldShowChildren; |
| } |
| |
| public boolean equals(Object obj) { |
| if (this == obj) |
| return true; |
| if (obj == null) |
| return false; |
| if (!(obj instanceof AvailableIUElement)) |
| return false; |
| if (iu == null) |
| return false; |
| return iu.equals(((AvailableIUElement) obj).getIU()); |
| } |
| |
| public int hashCode() { |
| if (iu == null) |
| return 0; |
| return iu.hashCode(); |
| } |
| |
| public String toString() { |
| if (iu == null) |
| return "NULL"; //$NON-NLS-1$ |
| return iu.toString(); |
| } |
| |
| public void setIsInstalled(boolean isInstalled) { |
| this.isInstalled = isInstalled; |
| } |
| |
| public boolean isInstalled() { |
| return isInstalled; |
| } |
| |
| public void setIsUpdate(boolean isUpdate) { |
| this.isUpdate = isUpdate; |
| } |
| |
| public boolean isUpdate() { |
| return isUpdate; |
| } |
| |
| private ProvisioningContext getProvisioningContext() { |
| if (hasQueryable() && getQueryable() instanceof IRepository) |
| return new ProvisioningContext(new URI[] {((IRepository) getQueryable()).getLocation()}); |
| return new ProvisioningContext(); |
| } |
| } |