Examples with ITreeContentProvider org.eclipse.jface.viewers.ITreeContentProvider used on opensource projects

Example 56 with ITreeContentProvider

use of org.eclipse.jface.viewers.ITreeContentProvider in project polymap4-core by Polymap4.

the class NavigatorSaveablesService method computeSaveables.

/**
 * helper to compute the saveables for which elements are part of the tree.
 * Must be called from a synchronized method.
 *
 * @return the saveables
 */
private Saveable[] computeSaveables() {
    ITreeContentProvider contentProvider = (ITreeContentProvider) viewer.getContentProvider();
    boolean isTreepathContentProvider = contentProvider instanceof ITreePathContentProvider;
    Object viewerInput = viewer.getInput();
    List result = new ArrayList();
    Set roots = new HashSet(Arrays.asList(contentProvider.getElements(viewerInput)));
    SaveablesProvider[] saveablesProviders = getSaveablesProviders();
    for (int i = 0; i < saveablesProviders.length; i++) {
        SaveablesProvider saveablesProvider = saveablesProviders[i];
        Saveable[] saveables = saveablesProvider.getSaveables();
        for (int j = 0; j < saveables.length; j++) {
            Saveable saveable = saveables[j];
            Object[] elements = saveablesProvider.getElements(saveable);
            // the saveable is added to the result if at least one of the
            // elements representing the saveable appears in the tree, i.e.
            // if its parent chain leads to a root node.
            boolean foundRoot = false;
            for (int k = 0; !foundRoot && k < elements.length; k++) {
                Object element = elements[k];
                if (roots.contains(element)) {
                    result.add(saveable);
                    foundRoot = true;
                } else if (isTreepathContentProvider) {
                    ITreePathContentProvider treePathContentProvider = (ITreePathContentProvider) contentProvider;
                    TreePath[] parentPaths = treePathContentProvider.getParents(element);
                    for (int l = 0; !foundRoot && l < parentPaths.length; l++) {
                        TreePath parentPath = parentPaths[l];
                        for (int m = 0; !foundRoot && m < parentPath.getSegmentCount(); m++) {
                            if (roots.contains(parentPath.getSegment(m))) {
                                result.add(saveable);
                                foundRoot = true;
                            }
                        }
                    }
                } else {
                    while (!foundRoot && element != null) {
                        if (roots.contains(element)) {
                            // found a parent chain leading to a root. The
                            // saveable is part of the tree.
                            result.add(saveable);
                            foundRoot = true;
                        } else {
                            element = contentProvider.getParent(element);
                        }
                    }
                }
            }
        }
    }
    return (Saveable[]) result.toArray(new Saveable[result.size()]);
}

Example 57 with ITreeContentProvider

use of org.eclipse.jface.viewers.ITreeContentProvider in project polymap4-core by Polymap4.

the class TreeViewerFrameSource method getParentFrame.

/**
 * Returns the parent frame, or <code>null</code> if there is no parent frame.
 *
 * @param flags a bit-wise OR of the frame source flag constants
 * @return the parent frame, or <code>null</code>
 */
protected Frame getParentFrame(int flags) {
    Object input = viewer.getInput();
    ITreeContentProvider provider = (ITreeContentProvider) viewer.getContentProvider();
    Object parent = provider.getParent(input);
    if (parent == null)
        return null;
    TreeFrame frame = createFrame(parent);
    if ((flags & IFrameSource.FULL_CONTEXT) != 0) {
        frame.setSelection(viewer.getSelection());
        // include current input in expanded set
        Object[] expanded = viewer.getExpandedElements();
        Object[] newExpanded = new Object[expanded.length + 1];
        System.arraycopy(expanded, 0, newExpanded, 0, expanded.length);
        newExpanded[newExpanded.length - 1] = input;
        frame.setExpandedElements(newExpanded);
    }
    return frame;
}

Example 58 with ITreeContentProvider

use of org.eclipse.jface.viewers.ITreeContentProvider in project tdq-studio-se by Talend.

the class ExplainExecution method displayResults.

private void displayResults(final ExplainNode node, final Query query) {
    getEditor().getSite().getShell().getDisplay().asyncExec(new Runnable() {

        public void run() {
            ResultsTab resultsTab = allocateResultsTab(query);
            try {
                Composite composite = resultsTab.getParent();
                GridLayout gLayout = new GridLayout();
                gLayout.numColumns = 2;
                gLayout.marginLeft = 0;
                gLayout.horizontalSpacing = 0;
                gLayout.verticalSpacing = 0;
                gLayout.marginWidth = 0;
                gLayout.marginHeight = 0;
                composite.setLayout(gLayout);
                composite.setData("parenttab", resultsTab.getTabItem());
                Composite pp = new Composite(composite, 0);
                pp.setLayout(new FillLayout());
                pp.setLayoutData(new GridData(1808));
                TableTreeViewer tv = new TableTreeViewer(pp, 0x10800);
                Table table = tv.getTableTree().getTable();
                table.setLinesVisible(true);
                table.setHeaderVisible(true);
                TableColumn tc = new TableColumn(table, 0);
                tc.setText("");
                tc = new TableColumn(table, 0);
                tc.setText("Cost");
                tc = new TableColumn(table, 0);
                tc.setText("Cardinality");
                TableLayout tableLayout = new TableLayout();
                tableLayout.addColumnData(new ColumnWeightData(6, 150, true));
                tableLayout.addColumnData(new ColumnWeightData(1, 50, true));
                tableLayout.addColumnData(new ColumnWeightData(1, 50, true));
                table.setLayout(tableLayout);
                tv.setContentProvider(new ITreeContentProvider() {

                    public void dispose() {
                    }

                    public Object[] getChildren(Object parentElement) {
                        return ((ExplainNode) parentElement).getChildren();
                    }

                    public Object[] getElements(Object inputElement) {
                        ExplainNode nd = (ExplainNode) inputElement;
                        return nd.getChildren();
                    }

                    public Object getParent(Object element) {
                        return ((ExplainNode) element).getParent();
                    }

                    public boolean hasChildren(Object element) {
                        return ((ExplainNode) element).getChildren().length > 0;
                    }

                    public void inputChanged(Viewer viewer1, Object obj, Object obj1) {
                    }
                });
                tv.setLabelProvider(new TreeLabelProvider() {
                });
                tv.setInput(node);
                tv.refresh();
                tv.expandAll();
                for (int i = 0; i < table.getColumnCount(); i++) table.getColumn(i).pack();
                final ExplainPlanActionGroup actionGroup = new ExplainPlanActionGroup(tv, node.getChildren()[0]);
                MenuManager menuManager = new MenuManager("ExplainPlanContextMenu");
                menuManager.setRemoveAllWhenShown(true);
                org.eclipse.swt.widgets.Menu contextMenu = menuManager.createContextMenu(table);
                tv.getControl().setMenu(contextMenu);
                menuManager.addMenuListener(new IMenuListener() {

                    public void menuAboutToShow(IMenuManager manager) {
                        actionGroup.fillContextMenu(manager);
                    }
                });
                composite.layout();
                composite.redraw();
            } catch (Exception e) {
                if (resultsTab != null) {
                    Composite composite = resultsTab.getParent();
                    String message = e.getMessage();
                    Label errorLabel = new Label(composite, 4);
                    errorLabel.setText(message);
                    errorLabel.setLayoutData(new GridData(4, 128, true, false));
                }
                SQLExplorerPlugin.error("Error creating explain tab", e);
            }
        }
    });
}

Example 59 with ITreeContentProvider

use of org.eclipse.jface.viewers.ITreeContentProvider in project egit by eclipse.

the class BranchSelectionDialog method createCustomArea.

@Override
protected Control createCustomArea(Composite parent) {
    Composite area = new Composite(parent, SWT.NONE);
    GridDataFactory.fillDefaults().grab(true, true).span(2, 1).applyTo(area);
    area.setLayout(new GridLayout(1, false));
    if (multiMode) {
        fTree = new FilteredCheckboxTree(area, null, SWT.NONE, new PatternFilter()) {

            /*
				 * Overridden to check page when refreshing is done.
				 */
            @Override
            protected WorkbenchJob doCreateRefreshJob() {
                WorkbenchJob refreshJob = super.doCreateRefreshJob();
                refreshJob.addJobChangeListener(new JobChangeAdapter() {

                    @Override
                    public void done(IJobChangeEvent event) {
                        if (event.getResult().isOK()) {
                            getDisplay().asyncExec(new Runnable() {

                                @Override
                                public void run() {
                                    checkPage();
                                }
                            });
                        }
                    }
                });
                return refreshJob;
            }
        };
        CachedCheckboxTreeViewer viewer = fTree.getCheckboxTreeViewer();
        GridDataFactory.fillDefaults().grab(true, true).applyTo(fTree);
        viewer.setContentProvider(new ITreeContentProvider() {

            @Override
            public void inputChanged(Viewer actViewer, Object oldInput, Object newInput) {
            // nothing
            }

            @Override
            public void dispose() {
            // nothing
            }

            @Override
            public boolean hasChildren(Object element) {
                return false;
            }

            @Override
            public Object getParent(Object element) {
                return null;
            }

            @Override
            public Object[] getElements(Object inputElement) {
                return ((List) inputElement).toArray();
            }

            @Override
            public Object[] getChildren(Object parentElement) {
                return null;
            }
        });
        viewer.addCheckStateListener(new ICheckStateListener() {

            @Override
            public void checkStateChanged(CheckStateChangedEvent event) {
                checkPage();
            }
        });
        viewer.setLabelProvider(new GitLabelProvider());
        viewer.setComparator(new ViewerComparator(CommonUtils.STRING_ASCENDING_COMPARATOR));
        viewer.setInput(nodes);
        preselectBranchMultiMode(nodes, fTree);
    } else {
        branchesList = new TableViewer(area, this.style | SWT.H_SCROLL | SWT.V_SCROLL | SWT.BORDER);
        GridDataFactory.fillDefaults().grab(true, true).applyTo(branchesList.getControl());
        branchesList.setContentProvider(ArrayContentProvider.getInstance());
        branchesList.setLabelProvider(new GitLabelProvider());
        branchesList.setComparator(new ViewerComparator(CommonUtils.STRING_ASCENDING_COMPARATOR));
        branchesList.setInput(nodes);
        preselectBranchSingleMode(nodes, branchesList);
        branchesList.addSelectionChangedListener(new ISelectionChangedListener() {

            @Override
            public void selectionChanged(SelectionChangedEvent event) {
                checkPage();
            }
        });
        branchesList.addDoubleClickListener(new IDoubleClickListener() {

            @Override
            public void doubleClick(DoubleClickEvent event) {
                buttonPressed(OK);
            }
        });
    }
    return area;
}

Example 60 with ITreeContentProvider

use of org.eclipse.jface.viewers.ITreeContentProvider in project egit by eclipse.

the class GitSynchronizeWizardPage method createControl.

@Override
public void createControl(Composite parent) {
    Composite composite = new Composite(parent, SWT.NONE);
    GridLayout layout = new GridLayout(1, false);
    layout.marginWidth = 0;
    layout.marginHeight = 0;
    composite.setLayout(layout);
    for (IProject project : ROOT.getProjects()) {
        RepositoryMapping repositoryMapping = RepositoryMapping.getMapping(project);
        if (repositoryMapping == null)
            continue;
        Repository repo = repositoryMapping.getRepository();
        Set<IProject> projects = resources.get(repo);
        if (projects == null) {
            projects = new HashSet<>();
            resources.put(repo, projects);
        }
        projects.add(project);
    }
    treeViewer = new TreeViewer(composite, SWT.BORDER | SWT.V_SCROLL | SWT.H_SCROLL | SWT.FULL_SELECTION);
    treeViewer.getTree().setLinesVisible(true);
    treeViewer.getTree().setHeaderVisible(true);
    treeViewer.getTree().setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, true));
    TreeViewerColumn projectsColumn = new TreeViewerColumn(treeViewer, SWT.LEAD);
    projectsColumn.getColumn().setText(UIText.GitBranchSynchronizeWizardPage_repository);
    projectsColumn.getColumn().setImage(repositoryImage);
    projectsColumn.setLabelProvider(new StyledCellLabelProvider() {

        @Override
        public void update(ViewerCell cell) {
            Object element = cell.getElement();
            if (element instanceof Repository) {
                Repository repo = (Repository) element;
                // $NON-NLS-1$
                String descr = "";
                try {
                    // $NON-NLS-1$ //$NON-NLS-2$
                    descr += " [" + repo.getBranch() + "]";
                } catch (IOException e) {
                    Activator.logError(e.getMessage(), e);
                }
                Color decorationsColor = JFaceResources.getColorRegistry().get(JFacePreferences.DECORATIONS_COLOR);
                String repoName = repo.getWorkTree().getName();
                int repoNameLen = repoName.length();
                StyleRange styleRange = new StyleRange(repoNameLen, repoNameLen + descr.length(), decorationsColor, null);
                cell.setImage(repositoryImage);
                cell.setText(repoName + descr);
                cell.setStyleRanges(new StyleRange[] { styleRange });
            }
            super.update(cell);
        }
    });
    TreeViewerColumn dstColumn = new TreeViewerColumn(treeViewer, SWT.LEAD);
    dstColumn.getColumn().setText(UIText.GitBranchSynchronizeWizardPage_destination);
    dstColumn.getColumn().setImage(branchImage);
    dstColumn.getColumn().setWidth(200);
    final ComboBoxCellEditor branchesEditor = new ComboBoxCellEditor(treeViewer.getTree(), new String[0]);
    branchesEditor.setActivationStyle(ComboBoxCellEditor.DROP_DOWN_ON_KEY_ACTIVATION | ComboBoxCellEditor.DROP_DOWN_ON_MOUSE_ACTIVATION);
    ((CCombo) branchesEditor.getControl()).addSelectionListener(new SelectionAdapter() {

        @Override
        public void widgetSelected(SelectionEvent e) {
            CCombo combo = (CCombo) e.widget;
            TreeSelection sel = (TreeSelection) treeViewer.getSelection();
            int selectedIdx = combo.getSelectionIndex();
            Repository repo = (Repository) sel.getFirstElement();
            if (selectedIdx != -1) {
                selectedBranches.put(repo, combo.getItem(selectedIdx));
                setPageComplete(true);
            } else {
                selectedBranches.put(repo, null);
                setPageComplete(false);
            }
        }
    });
    dstColumn.setEditingSupport(new EditingSupport(treeViewer) {

        @Override
        protected void setValue(Object element, Object value) {
            int intValue = ((Integer) value).intValue();
            if (intValue == -1)
                return;
            CCombo combo = (CCombo) branchesEditor.getControl();
            String branch = combo.getItem(intValue);
            selectedBranches.put((Repository) element, branch);
            treeViewer.refresh(element, true);
            validatePage();
        }

        @Override
        protected Object getValue(Object element) {
            String branch = selectedBranches.get(element);
            CCombo combo = (CCombo) branchesEditor.getControl();
            int index = branch == null ? 0 : combo.indexOf(branch);
            return Integer.valueOf(index);
        }

        @Override
        protected CellEditor getCellEditor(Object element) {
            Repository repo = (Repository) element;
            List<String> refs = new LinkedList<>(repo.getAllRefs().keySet());
            List<Ref> additionalRefs;
            try {
                additionalRefs = repo.getRefDatabase().getAdditionalRefs();
            } catch (IOException e) {
                additionalRefs = null;
            }
            if (additionalRefs != null)
                for (Ref ref : additionalRefs) refs.add(ref.getName());
            Collections.sort(refs, CommonUtils.STRING_ASCENDING_COMPARATOR);
            branchesEditor.setItems(refs.toArray(new String[refs.size()]));
            return branchesEditor;
        }

        @Override
        protected boolean canEdit(Object element) {
            return true;
        }
    });
    dstColumn.setLabelProvider(new ColumnLabelProvider() {

        @Override
        public String getText(Object element) {
            String branch = selectedBranches.get(element);
            // $NON-NLS-1$
            return branch == null ? "" : branch;
        }
    });
    treeViewer.setContentProvider(new ITreeContentProvider() {

        @Override
        public void inputChanged(Viewer viewer, Object oldInput, Object newInput) {
        // nothing to do
        }

        @Override
        public void dispose() {
        // nothing to do
        }

        @Override
        public Object[] getElements(Object inputElement) {
            return (Object[]) inputElement;
        }

        @Override
        public boolean hasChildren(Object element) {
            return false;
        }

        @Override
        public Object getParent(Object element) {
            return null;
        }

        @Override
        public Object[] getChildren(Object parentElement) {
            return new Object[0];
        }
    });
    List<Repository> repositoriesList = new ArrayList<>(resources.keySet());
    Collections.sort(repositoriesList, new Comparator<Repository>() {

        @Override
        public int compare(Repository o1, Repository o2) {
            String name1 = o1.getWorkTree().getName();
            String name2 = o2.getWorkTree().getName();
            return name1.compareToIgnoreCase(name2);
        }
    });
    treeViewer.setInput(repositoriesList.toArray(new Repository[repositoriesList.size()]));
    projectsColumn.getColumn().pack();
    Composite buttonsComposite = new Composite(composite, SWT.NONE);
    layout = new GridLayout(4, false);
    layout.numColumns = 1;
    layout.marginWidth = 0;
    layout.marginHeight = 0;
    buttonsComposite.setLayout(layout);
    buttonsComposite.setLayoutData(GridDataFactory.fillDefaults().grab(true, false).create());
    final Button fetchChanges = new Button(buttonsComposite, SWT.CHECK);
    fetchChanges.setText(UIText.GitBranchSynchronizeWizardPage_fetchChangesFromRemote);
    fetchChanges.addSelectionListener(new SelectionAdapter() {

        @Override
        public void widgetSelected(SelectionEvent e) {
            forceFetch = fetchChanges.getSelection();
        }
    });
    fetchChanges.setLayoutData(GridDataFactory.fillDefaults().grab(true, false).create());
    fetchChanges.setSelection(Activator.getDefault().getPreferenceStore().getBoolean(UIPreferences.SYNC_VIEW_FETCH_BEFORE_LAUNCH));
    final Button includeLocal = new Button(buttonsComposite, SWT.CHECK);
    includeLocal.setText(UIText.GitBranchSynchronizeWizardPage_includeUncommitedChanges);
    includeLocal.addSelectionListener(new SelectionAdapter() {

        @Override
        public void widgetSelected(SelectionEvent e) {
            shouldIncludeLocal = includeLocal.getSelection();
        }
    });
    includeLocal.setLayoutData(GridDataFactory.fillDefaults().grab(true, false).create());
    Dialog.applyDialogFont(composite);
    setPageComplete(false);
    setControl(composite);
}