Examples with CommonDropAdapterAssistant org.eclipse.ui.navigator.CommonDropAdapterAssistant used on opensource projects

Example 6 with CommonDropAdapterAssistant

use of org.eclipse.ui.navigator.CommonDropAdapterAssistant in project n4js by eclipse.

the class GHOLD_101_WorkingSetsTest_PluginUITest method testDndSupport.

/**
 */
@Test
public void testDndSupport() throws CoreException {
    final Collection<String> projectNames = newArrayList("A", "B", "C", "D", "E");
    final IWorkspaceDescription workspaceDescription = ResourcesPlugin.getWorkspace().getDescription();
    final boolean autoBuild = workspaceDescription.isAutoBuilding();
    try {
        // No need for the build at all.
        workspaceDescription.setAutoBuilding(false);
        for (final String projectName : projectNames) {
            JavaProjectSetupUtil.createSimpleProject(projectName);
            assertTrue("Project " + projectName + " is not accessible.", getProjectByName(projectName).isAccessible());
        }
    } finally {
        workspaceDescription.setAutoBuilding(autoBuild);
    }
    activateWorkingSetManager(ManualAssociationAwareWorkingSetManager.class);
    WorkingSetManager manager = broker.getActiveManager();
    WorkingSetDiffBuilder builder = new WorkingSetDiffBuilder(manager);
    List<WorkingSet> workingSets = newArrayList();
    workingSets.add(new ManualAssociationWorkingSet(newArrayList(), "WS1", manager));
    workingSets.add(new ManualAssociationWorkingSet(newArrayList(), "WS2", manager));
    workingSets.add(new ManualAssociationWorkingSet(newArrayList(), "WS3", manager));
    for (WorkingSet workingSet : workingSets) {
        builder.add(workingSet);
    }
    workingSets.add(0, manager.getWorkingSets()[0]);
    Diff<WorkingSet> diff = builder.build(Iterables.toArray(workingSets, WorkingSet.class), Iterables.toArray(workingSets, WorkingSet.class));
    manager.updateState(diff);
    waitForIdleState();
    broker.refreshNavigator();
    waitForIdleState();
    commonViewer.expandToLevel(2);
    waitForIdleState();
    TreeItem[] treeItems = commonViewer.getTree().getItems();
    final int expectedItemCount = workingSets.size();
    assertTrue("Expected exactly " + expectedItemCount + " items in the Project Explorer. Input was: " + Arrays.toString(treeItems), treeItems.length == expectedItemCount);
    for (TreeItem item : treeItems) {
        Object data = item.getData();
        assertTrue("Expected instance of working set. Was: " + data, data instanceof WorkingSet);
        WorkingSet workingSet = (WorkingSet) data;
        if (WorkingSet.OTHERS_WORKING_SET_ID.equals(workingSet.getId())) {
            assertEquals("Expected " + projectNames.size() + " elements. Got: " + item.getItemCount(), projectNames.size(), item.getItemCount());
        } else {
            assertEquals("Expected 0 elements. Got: " + item.getItemCount(), 0, item.getItemCount());
        }
    }
    StructuredSelection selection = new StructuredSelection(getProjectsByName("A", "B", "C"));
    commonViewer.setSelection(selection);
    assertEquals(3, commonViewer.getTree().getSelection().length);
    INavigatorDnDService dnDService = projectExplorer.getNavigatorContentService().getDnDService();
    CommonDropAdapterAssistant[] dropAdapterAssistants = dnDService.findCommonDropAdapterAssistants(manager.getWorkingSets()[1], commonViewer.getStructuredSelection());
    assertTrue(!Arrays2.isEmpty(dropAdapterAssistants));
    N4JSProjectInWorkingSetDropAdapterAssistant[] n4DropAdapterAssistants = Arrays2.filter(dropAdapterAssistants, N4JSProjectInWorkingSetDropAdapterAssistant.class);
    assertTrue(!Arrays2.isEmpty(n4DropAdapterAssistants));
    N4JSProjectInWorkingSetDropAdapterAssistant assistant = n4DropAdapterAssistants[0];
    CommonDropAdapter adapter = assistant.getCommonDropAdapter();
    LocalSelectionTransfer.getTransfer().setSelection(commonViewer.getStructuredSelection());
    assistant.handleDrop(adapter, null, manager.getWorkingSets()[1]);
    waitForIdleState();
    broker.refreshNavigator();
    waitForIdleState();
    commonViewer.expandToLevel(2);
    waitForIdleState();
    treeItems = commonViewer.getTree().getItems();
    for (TreeItem item : treeItems) {
        Object data = item.getData();
        assertTrue("Expected instance of working set. Was: " + data, data instanceof WorkingSet);
        WorkingSet workingSet = (WorkingSet) data;
        if (WorkingSet.OTHERS_WORKING_SET_ID.equals(workingSet.getId())) {
            assertEquals("Expected " + (projectNames.size() - 3) + " elements. Got: " + item.getItemCount(), projectNames.size() - 3, item.getItemCount());
        } else if ("WS1".equals(workingSet.getId())) {
            assertEquals("Expected 3 elements. Got: " + item.getItemCount(), 3, item.getItemCount());
        } else {
            assertEquals("Expected 0 elements. Got: " + item.getItemCount(), 0, item.getItemCount());
        }
    }
}