Java tutorial
/******************************************************************************* * Copyright (c) 2008-2010 Sonatype, Inc. * 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: * Sonatype, Inc. - initial API and implementation *******************************************************************************/ package org.eclipse.m2e.editor.pom; import java.util.ArrayList; import java.util.HashSet; import java.util.Iterator; import java.util.List; import java.util.Set; import org.slf4j.Logger; import org.slf4j.LoggerFactory; import org.eclipse.core.runtime.CoreException; import org.eclipse.core.runtime.IProgressMonitor; import org.eclipse.core.runtime.IStatus; import org.eclipse.core.runtime.Status; import org.eclipse.core.runtime.jobs.Job; import org.eclipse.jface.action.Action; import org.eclipse.jface.action.ActionContributionItem; import org.eclipse.jface.action.IAction; import org.eclipse.jface.action.IMenuCreator; import org.eclipse.jface.action.IToolBarManager; import org.eclipse.jface.action.MenuManager; import org.eclipse.jface.action.Separator; import org.eclipse.jface.action.ToolBarManager; import org.eclipse.jface.dialogs.IMessageProvider; import org.eclipse.jface.viewers.IColorProvider; import org.eclipse.jface.viewers.IOpenListener; import org.eclipse.jface.viewers.ISelectionChangedListener; import org.eclipse.jface.viewers.IStructuredContentProvider; import org.eclipse.jface.viewers.IStructuredSelection; import org.eclipse.jface.viewers.ITreeContentProvider; import org.eclipse.jface.viewers.LabelProvider; import org.eclipse.jface.viewers.OpenEvent; import org.eclipse.jface.viewers.SelectionChangedEvent; import org.eclipse.jface.viewers.StructuredSelection; import org.eclipse.jface.viewers.TableViewer; import org.eclipse.jface.viewers.TreeViewer; import org.eclipse.jface.viewers.Viewer; import org.eclipse.jface.viewers.ViewerComparator; import org.eclipse.jface.viewers.ViewerFilter; import org.eclipse.osgi.util.NLS; import org.eclipse.swt.SWT; import org.eclipse.swt.custom.SashForm; import org.eclipse.swt.events.FocusAdapter; import org.eclipse.swt.events.FocusEvent; import org.eclipse.swt.events.FocusListener; import org.eclipse.swt.events.ModifyEvent; import org.eclipse.swt.events.ModifyListener; import org.eclipse.swt.graphics.Color; import org.eclipse.swt.graphics.Image; import org.eclipse.swt.layout.FillLayout; import org.eclipse.swt.layout.GridData; import org.eclipse.swt.layout.GridLayout; import org.eclipse.swt.layout.RowLayout; import org.eclipse.swt.widgets.Composite; import org.eclipse.swt.widgets.Control; import org.eclipse.swt.widgets.Display; import org.eclipse.swt.widgets.Menu; import org.eclipse.swt.widgets.Table; import org.eclipse.swt.widgets.Tree; import org.eclipse.ui.forms.IManagedForm; import org.eclipse.ui.forms.editor.FormPage; import org.eclipse.ui.forms.widgets.ExpandableComposite; import org.eclipse.ui.forms.widgets.FormToolkit; import org.eclipse.ui.forms.widgets.ScrolledForm; import org.eclipse.ui.forms.widgets.Section; import org.eclipse.ui.progress.UIJob; import org.apache.maven.artifact.Artifact; import org.apache.maven.artifact.resolver.filter.ArtifactFilter; import org.apache.maven.project.MavenProject; import org.sonatype.aether.graph.DependencyNode; import org.sonatype.aether.graph.DependencyVisitor; import org.eclipse.m2e.core.MavenPlugin; import org.eclipse.m2e.core.embedder.ArtifactKey; import org.eclipse.m2e.core.internal.IMavenConstants; import org.eclipse.m2e.core.internal.MavenPluginActivator; import org.eclipse.m2e.core.project.IMavenProjectChangedListener; import org.eclipse.m2e.core.project.IMavenProjectFacade; import org.eclipse.m2e.core.project.IMavenProjectRegistry; import org.eclipse.m2e.core.project.MavenProjectChangedEvent; import org.eclipse.m2e.core.ui.internal.actions.OpenPomAction; import org.eclipse.m2e.editor.MavenEditorImages; import org.eclipse.m2e.editor.internal.Messages; /** * @author Eugene Kuleshov * @author Benjamin Bentmann */ public class DependencyTreePage extends FormPage implements IMavenProjectChangedListener, IPomFileChangedListener { private static final Logger log = LoggerFactory.getLogger(DependencyTreePage.class); protected static final Object[] EMPTY = new Object[0]; final MavenPomEditor pomEditor; TreeViewer treeViewer; TableViewer listViewer; SearchControl searchControl; SearchMatcher searchMatcher; DependencyFilter searchFilter; ListSelectionFilter listSelectionFilter; ViewerFilter currentFilter; ArrayList<DependencyNode> dependencyNodes = new ArrayList<DependencyNode>(); Color searchHighlightColor; MavenProject mavenProject; boolean isSettingSelection = false; Action hierarchyFilterAction; private Job dataLoadingJob; String currentClasspath = Artifact.SCOPE_TEST; public DependencyTreePage(MavenPomEditor pomEditor) { super(pomEditor, IMavenConstants.PLUGIN_ID + ".pom.dependencyTree", Messages.DependencyTreePage_title); //$NON-NLS-1$ this.pomEditor = pomEditor; } protected void createFormContent(IManagedForm managedForm) { MavenPluginActivator.getDefault().getMavenProjectManager().addMavenProjectChangedListener(this); FormToolkit formToolkit = managedForm.getToolkit(); searchHighlightColor = new Color(Display.getDefault(), 242, 218, 170); ScrolledForm form = managedForm.getForm(); form.setText(formatFormTitle()); form.setExpandHorizontal(true); form.setExpandVertical(true); Composite body = form.getBody(); body.setLayout(new FillLayout()); SashForm sashForm = new SashForm(body, SWT.NONE); formToolkit.adapt(sashForm); formToolkit.adapt(sashForm, true, true); createHierarchySection(sashForm, formToolkit); createListSection(sashForm, formToolkit); sashForm.setWeights(new int[] { 1, 1 }); createSearchBar(managedForm); // compatibility proxy to support Eclipse 3.2 FormUtils.decorateHeader(managedForm.getToolkit(), form.getForm()); initPopupMenu(treeViewer, ".tree"); //$NON-NLS-1$ initPopupMenu(listViewer, ".list"); //$NON-NLS-1$ loadData(false); } private void initPopupMenu(Viewer viewer, String id) { MenuManager menuMgr = new MenuManager("#PopupMenu-" + id); //$NON-NLS-1$ menuMgr.setRemoveAllWhenShown(true); Menu menu = menuMgr.createContextMenu(viewer.getControl()); viewer.getControl().setMenu(menu); getEditorSite().registerContextMenu(MavenPomEditor.EDITOR_ID + id, menuMgr, viewer, false); } String formatFormTitle() { return NLS.bind(Messages.DependencyTreePage_form_title, currentClasspath); } void loadData(final boolean force) { // form.setMessage() forces the panel layout, which messes up the viewers // (e.g. long entries in the tree cause it to expand horizontally so much // doesn't fit into the editor anymore). Clearing the input in the viewers // helps to ensure they won't change the size when the message is set. if (treeViewer.getTree().isDisposed()) { return; } treeViewer.setInput(null); if (listViewer.getTable().isDisposed()) { return; } listViewer.setInput(null); FormUtils.setMessage(getManagedForm().getForm(), Messages.DependencyTreePage_message_resolving, IMessageProvider.WARNING); dataLoadingJob = new Job(Messages.DependencyTreePage_job_loading) { protected IStatus run(IProgressMonitor monitor) { try { mavenProject = pomEditor.readMavenProject(force, monitor); if (mavenProject == null) { log.error("Unable to read maven project. Dependencies not updated."); //$NON-NLS-1$ return Status.CANCEL_STATUS; } final DependencyNode dependencyNode = pomEditor.readDependencyTree(force, currentClasspath, monitor); if (dependencyNode == null) { return Status.CANCEL_STATUS; } dependencyNode.accept(new DependencyVisitor() { public boolean visitEnter(DependencyNode node) { if (node.getDependency() != null) { dependencyNodes.add(node); } return true; } public boolean visitLeave(DependencyNode dependencynode) { return true; } }); getPartControl().getDisplay().syncExec(new Runnable() { public void run() { FormUtils.setMessage(getManagedForm().getForm(), null, IMessageProvider.NONE); if (treeViewer.getTree().isDisposed()) { return; } treeViewer.setInput(dependencyNode); treeViewer.expandAll(); if (listViewer.getTable().isDisposed()) { return; } listViewer.setInput(mavenProject); } }); } catch (final CoreException ex) { log.error(ex.getMessage(), ex); getPartControl().getDisplay().asyncExec(new Runnable() { public void run() { FormUtils.setMessage(getManagedForm().getForm(), ex.getMessage(), IMessageProvider.ERROR); } }); } return Status.OK_STATUS; } }; dataLoadingJob.schedule(); } private void createHierarchySection(Composite sashForm, FormToolkit formToolkit) { Composite hierarchyComposite = formToolkit.createComposite(sashForm, SWT.NONE); hierarchyComposite.setLayout(new GridLayout()); Section hierarchySection = formToolkit.createSection(hierarchyComposite, ExpandableComposite.TITLE_BAR); hierarchySection.marginHeight = 1; GridData gd_hierarchySection = new GridData(SWT.FILL, SWT.FILL, true, true); gd_hierarchySection.widthHint = 100; gd_hierarchySection.minimumWidth = 100; hierarchySection.setLayoutData(gd_hierarchySection); hierarchySection.setText(Messages.DependencyTreePage_section_hierarchy); formToolkit.paintBordersFor(hierarchySection); Tree tree = formToolkit.createTree(hierarchySection, SWT.H_SCROLL | SWT.V_SCROLL | SWT.MULTI); hierarchySection.setClient(tree); treeViewer = new TreeViewer(tree); treeViewer.setData(FormToolkit.KEY_DRAW_BORDER, Boolean.TRUE); DependencyTreeLabelProvider treeLabelProvider = new DependencyTreeLabelProvider(); treeViewer.setContentProvider(new DependencyTreeContentProvider()); treeViewer.setLabelProvider(treeLabelProvider); treeViewer.addSelectionChangedListener(new ISelectionChangedListener() { public void selectionChanged(SelectionChangedEvent event) { if (!isSettingSelection) { isSettingSelection = true; IStructuredSelection selection = (IStructuredSelection) treeViewer.getSelection(); selectListElements(new DependencyNodeMatcher(selection)); isSettingSelection = false; } } }); treeViewer.addOpenListener(new IOpenListener() { public void open(OpenEvent event) { IStructuredSelection selection = (IStructuredSelection) treeViewer.getSelection(); for (Iterator<?> it = selection.iterator(); it.hasNext();) { Object o = it.next(); if (o instanceof DependencyNode) { org.sonatype.aether.artifact.Artifact a = ((DependencyNode) o).getDependency() .getArtifact(); OpenPomAction.openEditor(a.getGroupId(), a.getArtifactId(), a.getVersion(), null); } } } }); createHierarchyToolbar(hierarchySection, treeLabelProvider, formToolkit); } private void createHierarchyToolbar(Section hierarchySection, final DependencyTreeLabelProvider treeLabelProvider, FormToolkit formToolkit) { ToolBarManager hiearchyToolBarManager = new ToolBarManager(SWT.FLAT); hiearchyToolBarManager .add(new Action(Messages.DependencyTreePage_action_collapseAll, MavenEditorImages.COLLAPSE_ALL) { public void run() { treeViewer.collapseAll(); } }); hiearchyToolBarManager .add(new Action(Messages.DependencyTreePage_action_expandAll, MavenEditorImages.EXPAND_ALL) { public void run() { treeViewer.expandAll(); } }); hiearchyToolBarManager.add(new Separator()); hiearchyToolBarManager.add(new Action(Messages.DependencyTreePage_action_sort, MavenEditorImages.SORT) { public int getStyle() { return AS_CHECK_BOX; } public void run() { if (treeViewer.getComparator() == null) { treeViewer.setComparator(new ViewerComparator()); } else { treeViewer.setComparator(null); } } }); hiearchyToolBarManager .add(new Action(Messages.DependencyTreePage_action_showGroupId, MavenEditorImages.SHOW_GROUP) { public int getStyle() { return AS_CHECK_BOX; } public void run() { treeLabelProvider.setShowGroupId(isChecked()); treeViewer.refresh(); } }); hierarchyFilterAction = new Action(Messages.DependencyTreePage_action_filterSearch, MavenEditorImages.FILTER) { public int getStyle() { return AS_CHECK_BOX; } public void run() { if (isChecked()) { setTreeFilter(currentFilter, true); // treeViewer.setFilters(new ViewerFilter[] {searchFilter, listSelectionFilter}); } else { treeViewer.removeFilter(searchFilter); } treeViewer.refresh(); treeViewer.expandAll(); } }; hierarchyFilterAction.setChecked(true); hiearchyToolBarManager.add(hierarchyFilterAction); Composite toolbarComposite = formToolkit.createComposite(hierarchySection); toolbarComposite.setBackground(null); RowLayout rowLayout = new RowLayout(); rowLayout.wrap = false; rowLayout.marginRight = 0; rowLayout.marginLeft = 0; rowLayout.marginTop = 0; rowLayout.marginBottom = 0; toolbarComposite.setLayout(rowLayout); hiearchyToolBarManager.createControl(toolbarComposite); hierarchySection.setTextClient(toolbarComposite); } private void createListSection(SashForm sashForm, FormToolkit formToolkit) { Composite listComposite = formToolkit.createComposite(sashForm, SWT.NONE); listComposite.setLayout(new GridLayout()); Section listSection = formToolkit.createSection(listComposite, ExpandableComposite.TITLE_BAR); listSection.marginHeight = 1; GridData gd_listSection = new GridData(SWT.FILL, SWT.FILL, true, true); gd_listSection.widthHint = 100; gd_listSection.minimumWidth = 100; listSection.setLayoutData(gd_listSection); listSection.setText(Messages.DependencyTreePage_section_resolvedDeps); formToolkit.paintBordersFor(listSection); final DependencyListLabelProvider listLabelProvider = new DependencyListLabelProvider(); Table table = formToolkit.createTable(listSection, SWT.FLAT | SWT.MULTI); listSection.setClient(table); // listViewer = new TableViewer(listSection, SWT.FLAT | SWT.MULTI); listViewer = new TableViewer(table); listViewer.setData(FormToolkit.KEY_DRAW_BORDER, Boolean.TRUE); listViewer.setContentProvider(new DependencyListContentProvider()); listViewer.setLabelProvider(listLabelProvider); listViewer.setComparator(new ViewerComparator()); // by default is sorted listSelectionFilter = new ListSelectionFilter(); listViewer.addSelectionChangedListener(listSelectionFilter); listViewer.getTable().addFocusListener(listSelectionFilter); listViewer.addOpenListener(new IOpenListener() { public void open(OpenEvent event) { IStructuredSelection selection = (IStructuredSelection) listViewer.getSelection(); for (Iterator<?> it = selection.iterator(); it.hasNext();) { Object o = it.next(); if (o instanceof Artifact) { Artifact a = (Artifact) o; OpenPomAction.openEditor(a.getGroupId(), a.getArtifactId(), a.getVersion(), null); } } } }); createListToolbar(listSection, listLabelProvider, formToolkit); } private void createListToolbar(Section listSection, final DependencyListLabelProvider listLabelProvider, FormToolkit formToolkit) { ToolBarManager listToolBarManager = new ToolBarManager(SWT.FLAT); listToolBarManager.add(new Action(Messages.DependencyTreePage_action_sort, MavenEditorImages.SORT) { { setChecked(true); } public int getStyle() { return AS_CHECK_BOX; } public void run() { if (listViewer.getComparator() == null) { listViewer.setComparator(new ViewerComparator()); } else { listViewer.setComparator(null); } } }); listToolBarManager .add(new Action(Messages.DependencyTreePage_action_showGroupId, MavenEditorImages.SHOW_GROUP) { public int getStyle() { return AS_CHECK_BOX; } public void run() { listLabelProvider.setShowGroupId(isChecked()); listViewer.refresh(); } }); listToolBarManager.add(new Action(Messages.DependencyTreePage_action_filter, MavenEditorImages.FILTER) { public int getStyle() { return AS_CHECK_BOX; } public void run() { if (listViewer.getFilters() == null || listViewer.getFilters().length == 0) { listViewer.addFilter(searchFilter); } else { listViewer.removeFilter(searchFilter); } } }); Composite toolbarComposite = formToolkit.createComposite(listSection); toolbarComposite.setBackground(null); RowLayout rowLayout = new RowLayout(); rowLayout.wrap = false; rowLayout.marginRight = 0; rowLayout.marginLeft = 0; rowLayout.marginTop = 0; rowLayout.marginBottom = 0; toolbarComposite.setLayout(rowLayout); listToolBarManager.createControl(toolbarComposite); listSection.setTextClient(toolbarComposite); } private void createSearchBar(IManagedForm managedForm) { searchControl = new SearchControl(Messages.DependencyTreePage_find, managedForm); searchMatcher = new SearchMatcher(searchControl); searchFilter = new DependencyFilter(new SearchMatcher(searchControl)); treeViewer.addFilter(searchFilter); // by default is filtered ScrolledForm form = managedForm.getForm(); IToolBarManager toolBarManager = form.getForm().getToolBarManager(); toolBarManager.add(searchControl); class ClasspathDropdown extends Action implements IMenuCreator { private Menu menu; public ClasspathDropdown() { setText(Messages.DependencyTreePage_classpath); setImageDescriptor(MavenEditorImages.SCOPE); setMenuCreator(this); } public Menu getMenu(Menu parent) { return null; } public Menu getMenu(Control parent) { if (menu != null) { menu.dispose(); } menu = new Menu(parent); addToMenu(menu, Messages.DependencyTreePage_scope_all, Artifact.SCOPE_TEST, currentClasspath); addToMenu(menu, Messages.DependencyTreePage_scope_comp_runtime, Artifact.SCOPE_COMPILE_PLUS_RUNTIME, currentClasspath); addToMenu(menu, Messages.DependencyTreePage_scope_compile, Artifact.SCOPE_COMPILE, currentClasspath); addToMenu(menu, Messages.DependencyTreePage_scope_runtime, Artifact.SCOPE_RUNTIME, currentClasspath); return menu; } protected void addToMenu(Menu parent, String text, String scope, String currentScope) { ClasspathAction action = new ClasspathAction(text, scope); action.setChecked(scope.equals(currentScope)); new ActionContributionItem(action).fill(parent, -1); } public void dispose() { if (menu != null) { menu.dispose(); menu = null; } } } toolBarManager.add(new ClasspathDropdown()); toolBarManager.add(new Separator()); toolBarManager.add(new Action(Messages.DependencyTreePage_action_refresh, MavenEditorImages.REFRESH) { public void run() { loadData(true); } }); form.updateToolBar(); searchControl.getSearchText().addFocusListener(new FocusAdapter() { public void focusGained(FocusEvent e) { isSettingSelection = true; selectListElements(searchMatcher); selectTreeElements(searchMatcher); setTreeFilter(searchFilter, false); isSettingSelection = false; } }); searchControl.getSearchText().addModifyListener(new ModifyListener() { public void modifyText(ModifyEvent e) { isSettingSelection = true; selectListElements(searchMatcher); selectTreeElements(searchMatcher); setTreeFilter(searchFilter, false); isSettingSelection = false; } }); } protected void setTreeFilter(ViewerFilter filter, boolean force) { currentFilter = filter; if (filter != null && (force || (treeViewer.getFilters().length > 0 && treeViewer.getFilters()[0] != filter))) { treeViewer.addFilter(filter); } } protected void selectListElements(Matcher matcher) { DependencyListLabelProvider listLabelProvider = (DependencyListLabelProvider) listViewer.getLabelProvider(); listLabelProvider.setMatcher(matcher); listViewer.refresh(); if (!matcher.isEmpty() && mavenProject != null) { Set<Artifact> projectArtifacts = mavenProject.getArtifacts(); for (Artifact a : projectArtifacts) { if (matcher.isMatchingArtifact(a.getGroupId(), a.getArtifactId())) { listViewer.reveal(a); break; } } } } void selectTreeElements(Matcher matcher) { DependencyTreeLabelProvider treeLabelProvider = (DependencyTreeLabelProvider) treeViewer.getLabelProvider(); treeLabelProvider.setMatcher(matcher); treeViewer.refresh(); treeViewer.expandAll(); if (!matcher.isEmpty()) { for (DependencyNode node : dependencyNodes) { org.sonatype.aether.artifact.Artifact a = node.getDependency().getArtifact(); if (matcher.isMatchingArtifact(a.getGroupId(), a.getGroupId())) { treeViewer.reveal(node); break; } } } } static class DependencyFilter extends ViewerFilter { protected Matcher matcher; public DependencyFilter(Matcher matcher) { this.matcher = matcher; } public boolean select(Viewer viewer, Object parentElement, Object element) { if (matcher != null && !matcher.isEmpty()) { // matcher = new TextMatcher(searchControl.getSearchText().getText()); if (element instanceof Artifact) { Artifact a = (Artifact) element; return matcher.isMatchingArtifact(a.getGroupId(), a.getArtifactId()); } else if (element instanceof DependencyNode) { DependencyNode node = (DependencyNode) element; org.sonatype.aether.artifact.Artifact a = node.getDependency().getArtifact(); if (matcher.isMatchingArtifact(a.getGroupId(), a.getArtifactId())) { return true; } class ChildMatcher implements DependencyVisitor { protected boolean foundMatch = false; public boolean visitEnter(DependencyNode node) { org.sonatype.aether.artifact.Artifact a = node.getDependency().getArtifact(); if (matcher.isMatchingArtifact(a.getGroupId(), a.getArtifactId())) { foundMatch = true; return false; } return true; } public boolean visitLeave(DependencyNode node) { return true; } } ; ChildMatcher childMatcher = new ChildMatcher(); node.accept(childMatcher); return childMatcher.foundMatch; } } return true; } } class ListSelectionFilter extends DependencyFilter implements ISelectionChangedListener, FocusListener { public ListSelectionFilter() { super(null); // no filter by default } // ISelectionChangedListener public void selectionChanged(SelectionChangedEvent event) { if (!isSettingSelection) { isSettingSelection = true; IStructuredSelection selection = (IStructuredSelection) listViewer.getSelection(); matcher = new ArtifactMatcher(selection); selectTreeElements(matcher); setTreeFilter(this, false); isSettingSelection = false; } } // FocusListener public void focusGained(FocusEvent e) { if (hierarchyFilterAction.isChecked()) { setTreeFilter(this, false); // treeViewer.addFilter(this); } } public void focusLost(FocusEvent e) { // treeViewer.removeFilter(this); matcher = null; } } final class DependencyTreeContentProvider implements ITreeContentProvider { public Object[] getElements(Object input) { return getChildren(input); } public Object[] getChildren(Object element) { if (element instanceof DependencyNode) { DependencyNode node = (DependencyNode) element; List<DependencyNode> children = node.getChildren(); return children.toArray(new DependencyNode[children.size()]); } return new Object[0]; } public Object getParent(Object element) { return null; } public boolean hasChildren(Object element) { if (element instanceof DependencyNode) { DependencyNode node = (DependencyNode) element; return !node.getChildren().isEmpty(); } return false; } public void dispose() { } public void inputChanged(Viewer viewer, Object oldInput, Object newInput) { } } final class DependencyTreeLabelProvider extends LabelProvider implements IColorProvider { private boolean showGroupId = false; private Matcher matcher = null; public void setMatcher(Matcher matcher) { this.matcher = matcher; } public void setShowGroupId(boolean showGroupId) { this.showGroupId = showGroupId; } // IColorProvider public Color getForeground(Object element) { if (element instanceof DependencyNode) { DependencyNode node = (DependencyNode) element; String scope = node.getDependency().getScope(); if (scope != null && !"compile".equals(scope)) { //$NON-NLS-1$ return Display.getDefault().getSystemColor(SWT.COLOR_DARK_GRAY); } } return null; } public Color getBackground(Object element) { if (matcher != null && !matcher.isEmpty() && element instanceof DependencyNode) { org.sonatype.aether.artifact.Artifact a = ((DependencyNode) element).getDependency().getArtifact(); if (matcher.isMatchingArtifact(a.getGroupId(), a.getArtifactId())) { return searchHighlightColor; } } return null; } // LabelProvider @Override public String getText(Object element) { if (element instanceof DependencyNode) { DependencyNode node = (DependencyNode) element; org.sonatype.aether.artifact.Artifact a = node.getDependency().getArtifact(); org.sonatype.aether.artifact.Artifact c = null; if (!node.getAliases().isEmpty()) { c = node.getAliases().iterator().next(); } StringBuilder label = new StringBuilder(128); if (showGroupId) { label.append(a.getGroupId()).append(" : "); } label.append(a.getArtifactId()).append(" : "); label.append(a.getBaseVersion()); if (node.getPremanagedVersion() != null && !node.getPremanagedVersion().equals(a.getBaseVersion())) { label.append(" (managed from ").append(node.getPremanagedVersion()).append(")"); } if (c != null) { String version = c.getBaseVersion(); if (!a.getBaseVersion().equals(version)) { label.append(" (omitted for conflict with ").append(version).append(")"); } } if (a.getClassifier().length() > 0) { label.append(Messages.DependencyTreePage_0).append(a.getClassifier()); } label.append(" [").append(node.getDependency().getScope()).append("]"); if (node.getPremanagedScope() != null) { label.append(" (from ").append(node.getPremanagedScope()).append(")"); } return label.toString(); } return element.toString(); } @Override public Image getImage(Object element) { if (element instanceof DependencyNode) { DependencyNode node = (DependencyNode) element; org.sonatype.aether.artifact.Artifact a = node.getDependency().getArtifact(); IMavenProjectRegistry projectManager = MavenPlugin.getMavenProjectRegistry(); IMavenProjectFacade projectFacade = projectManager.getMavenProject(a.getGroupId(), // a.getArtifactId(), // a.getBaseVersion() == null ? a.getVersion() : a.getBaseVersion()); return projectFacade == null ? MavenEditorImages.IMG_JAR : MavenEditorImages.IMG_PROJECT; } return null; } } public class DependencyListLabelProvider extends LabelProvider implements IColorProvider { private boolean showGroupId = false; private Matcher matcher = null; public void setMatcher(Matcher matcher) { this.matcher = matcher; } public void setShowGroupId(boolean showGroupId) { this.showGroupId = showGroupId; } // IColorProvider public Color getForeground(Object element) { if (element instanceof Artifact) { Artifact a = (Artifact) element; String scope = a.getScope(); if (scope != null && !"compile".equals(scope)) { //$NON-NLS-1$ return Display.getDefault().getSystemColor(SWT.COLOR_DARK_GRAY); } } return null; } public Color getBackground(Object element) { if (matcher != null && !matcher.isEmpty() && element instanceof Artifact) { Artifact a = (Artifact) element; if (matcher.isMatchingArtifact(a.getGroupId(), a.getArtifactId())) { return searchHighlightColor; } } return null; } // LabelProvider @Override public String getText(Object element) { if (element instanceof Artifact) { Artifact a = (Artifact) element; StringBuilder label = new StringBuilder(64); if (showGroupId) { label.append(a.getGroupId()).append(" : "); } label.append(a.getArtifactId()).append(" : ").append(a.getVersion()); if (a.hasClassifier()) { label.append(" - ").append(a.getClassifier()); } if (a.getScope() != null) { label.append(" [").append(a.getScope()).append("]"); } return label.toString(); } return super.getText(element); } @Override public Image getImage(Object element) { if (element instanceof Artifact) { Artifact a = (Artifact) element; IMavenProjectRegistry projectManager = MavenPlugin.getMavenProjectRegistry(); IMavenProjectFacade projectFacade = projectManager.getMavenProject(a.getGroupId(), // a.getArtifactId(), // a.getBaseVersion() == null ? a.getVersion() : a.getBaseVersion()); return projectFacade == null ? MavenEditorImages.IMG_JAR : MavenEditorImages.IMG_PROJECT; } return null; } } public class DependencyListContentProvider implements IStructuredContentProvider { public Object[] getElements(Object input) { if (input instanceof MavenProject) { MavenProject project = (MavenProject) input; List<Artifact> artifacts = new ArrayList<Artifact>(); ArtifactFilter filter = new org.apache.maven.artifact.resolver.filter.ScopeArtifactFilter( currentClasspath); for (Artifact artifact : project.getArtifacts()) { if (filter.include(artifact)) { artifacts.add(artifact); } } return artifacts.toArray(new Artifact[artifacts.size()]); } return null; } public void inputChanged(Viewer viewer, Object oldInput, Object newInput) { } public void dispose() { } } public static class ArtifactMatcher extends Matcher { protected final HashSet<String> artifactKeys = new HashSet<String>(); public ArtifactMatcher(IStructuredSelection selection) { for (Iterator<?> it = selection.iterator(); it.hasNext();) { addArtifactKey(it.next()); } } public boolean isEmpty() { return artifactKeys.isEmpty(); } public boolean isMatchingArtifact(String groupId, String artifactId) { return artifactKeys.contains(getKey(groupId, artifactId)); } protected void addArtifactKey(Object o) { if (o instanceof Artifact) { Artifact a = (Artifact) o; artifactKeys.add(getKey(a.getGroupId(), a.getArtifactId())); } } protected String getKey(String groupId, String artifactId) { return groupId + ":" + artifactId; } } public static class DependencyNodeMatcher extends ArtifactMatcher { public DependencyNodeMatcher(IStructuredSelection selection) { super(selection); } @Override protected void addArtifactKey(Object o) { if (o instanceof DependencyNode) { org.sonatype.aether.artifact.Artifact a = ((DependencyNode) o).getDependency().getArtifact(); artifactKeys.add(getKey(a.getGroupId(), a.getArtifactId())); } } } @Override public void dispose() { MavenPluginActivator.getDefault().getMavenProjectManager().removeMavenProjectChangedListener(this); if (searchHighlightColor != null) { searchHighlightColor.dispose(); } super.dispose(); } public void selectDepedency(ArtifactKey artifactKey) { if (dataLoadingJob != null && dataLoadingJob.getState() == Job.RUNNING) { try { dataLoadingJob.join(); } catch (InterruptedException ex) { // ignore } } if (mavenProject != null) { Artifact artifact = getArtifact(artifactKey); if (artifact != null) { listViewer.getTable().setFocus(); listViewer.setSelection(new StructuredSelection(artifact), true); } } } private Artifact getArtifact(ArtifactKey artifactKey) { Set<Artifact> artifacts = mavenProject.getArtifacts(); for (Artifact artifact : artifacts) { if (artifactKey.equals(new ArtifactKey(artifact))) { return artifact; } } return null; } public class ClasspathAction extends Action { private final String classpath; public ClasspathAction(String text, String classpath) { super(text, IAction.AS_RADIO_BUTTON); this.classpath = classpath; } public void run() { if (isChecked()) { currentClasspath = classpath; IManagedForm managedForm = DependencyTreePage.this.getManagedForm(); managedForm.getForm().setText(formatFormTitle()); loadData(false); } } } public void loadData() { loadData(true); } public void mavenProjectChanged(MavenProjectChangedEvent[] events, IProgressMonitor monitor) { if (getManagedForm() == null || getManagedForm().getForm() == null) return; for (int i = 0; i < events.length; i++) { if (events[i].getSource().equals(((MavenPomEditor) getEditor()).getPomFile())) { // file has been changed. need to update graph new UIJob(Messages.DependencyTreePage_job_reloading) { public IStatus runInUIThread(IProgressMonitor monitor) { loadData(); FormUtils.setMessage(getManagedForm().getForm(), null, IMessageProvider.WARNING); return Status.OK_STATUS; } }.schedule(); } } } public void fileChanged() { if (getManagedForm() == null || getManagedForm().getForm() == null) return; new UIJob(Messages.DependencyTreePage_job_reloading) { public IStatus runInUIThread(IProgressMonitor monitor) { FormUtils.setMessage(getManagedForm().getForm(), Messages.DependencyTreePage_message_updating, IMessageProvider.WARNING); return Status.OK_STATUS; } }.schedule(); } }