Example usage for org.eclipse.jface.viewers TreeSelection TreeSelection

Introduction

In this page you can find the example usage for org.eclipse.jface.viewers TreeSelection TreeSelection.

Prototype

public TreeSelection(TreePath treePath, IElementComparer comparer)

Source Link

Document

Constructs a selection based on the elements identified by the given tree path.

Usage

From source file:com.atlassian.connector.eclipse.internal.crucible.ui.wizards.SelectChangesetsFromCruciblePage.java

License:Open Source License

@SuppressWarnings("unchecked")
private TreeSelection validateTreeSelection(TreeViewer treeViewer) {
    TreeSelection selection = getTreeSelection(treeViewer);
    if (selection != null) {
        ArrayList<TreePath> validSelections = new ArrayList<TreePath>();
        Iterator<Object> iterator = (selection).iterator();
        while (iterator.hasNext()) {
            Object element = iterator.next();
            if (element instanceof Change) {
                validSelections.add((selection).getPathsFor(element)[0]);
            } else if (element instanceof Repository) {
                validSelections.add((selection).getPathsFor(element)[0]);
            }/*from w w  w  .j a va  2  s  .  c  o  m*/
        }
        //set new selection
        TreeSelection newSelection = new TreeSelection(
                validSelections.toArray(new TreePath[validSelections.size()]),
                (selection).getElementComparer());
        treeViewer.setSelection(newSelection);
    } else {
        treeViewer.setSelection(new TreeSelection());
    }
    return getTreeSelection(treeViewer);
}

From source file:com.atlassian.connector.eclipse.internal.crucible.ui.wizards.SelectScmChangesetsPage.java

License:Open Source License

@SuppressWarnings("unchecked")
private TreeSelection validateTreeSelection(TreeViewer treeViewer, boolean allowChangesetsSelection) {
    TreeSelection selection = getTreeSelection(treeViewer);
    if (selection != null) {
        ArrayList<TreePath> validSelections = new ArrayList<TreePath>();
        Iterator<Object> iterator = (selection).iterator();
        while (iterator.hasNext()) {
            Object element = iterator.next();
            if (element instanceof ICustomChangesetLogEntry) {
                validSelections.add((selection).getPathsFor(element)[0]);
            } else if (allowChangesetsSelection && element instanceof ScmRepository) {
                validSelections.add((selection).getPathsFor(element)[0]);
            }/* w ww  .j  a va 2s .c  o m*/
        }
        //set new selection
        TreeSelection newSelection = new TreeSelection(
                validSelections.toArray(new TreePath[validSelections.size()]),
                (selection).getElementComparer());
        treeViewer.setSelection(newSelection);
    } else {
        treeViewer.setSelection(new TreeSelection());
    }
    return getTreeSelection(treeViewer);
}

From source file:com.google.dart.tools.internal.corext.refactoring.reorg.RenameSelectionState.java

License:Open Source License

public void restore(Object newElement) {
    if (fDisplay == null) {
        return;/*from ww w. j a v a2 s  .co  m*/
    }
    for (int i = 0; i < fParts.size(); i++) {
        IStructuredSelection currentSelection = fSelections.get(i);
        boolean changed = false;
        final ISetSelectionTarget target = (ISetSelectionTarget) fParts.get(i);
        final IStructuredSelection[] newSelection = new IStructuredSelection[1];
        newSelection[0] = currentSelection;
        if (currentSelection instanceof TreeSelection) {
            TreeSelection treeSelection = (TreeSelection) currentSelection;
            TreePath[] paths = treeSelection.getPaths();
            for (int p = 0; p < paths.length; p++) {
                TreePath path = paths[p];
                if (path.getSegmentCount() > 0 && path.getLastSegment().equals(fElement)) {
                    paths[p] = createTreePath(path, newElement);
                    changed = true;
                }
            }
            if (changed) {
                newSelection[0] = new TreeSelection(paths, treeSelection.getElementComparer());
            }
        } else {
            Object[] elements = currentSelection.toArray();
            for (int e = 0; e < elements.length; e++) {
                if (elements[e].equals(fElement)) {
                    elements[e] = newElement;
                    changed = true;
                }
            }
            if (changed) {
                newSelection[0] = new StructuredSelection(elements);
            }
        }
        if (changed) {
            fDisplay.asyncExec(new Runnable() {
                @Override
                public void run() {
                    target.selectReveal(newSelection[0]);
                }
            });
        }
    }
}

From source file:ext.org.eclipse.jdt.internal.ui.refactoring.reorg.RenameSelectionState.java

License:Open Source License

public void restore(Object newElement) {
    if (fDisplay == null)
        return;/*from w w w. j ava 2  s  .  co  m*/
    for (int i = 0; i < fParts.size(); i++) {
        IStructuredSelection currentSelection = fSelections.get(i);
        boolean changed = false;
        final ISetSelectionTarget target = (ISetSelectionTarget) fParts.get(i);
        final IStructuredSelection[] newSelection = new IStructuredSelection[1];
        newSelection[0] = currentSelection;
        if (currentSelection instanceof TreeSelection) {
            TreeSelection treeSelection = (TreeSelection) currentSelection;
            TreePath[] paths = treeSelection.getPaths();
            for (int p = 0; p < paths.length; p++) {
                TreePath path = paths[p];
                if (path.getSegmentCount() > 0 && path.getLastSegment().equals(fElement)) {
                    paths[p] = createTreePath(path, newElement);
                    changed = true;
                }
            }
            if (changed) {
                newSelection[0] = new TreeSelection(paths, treeSelection.getElementComparer());
            }
        } else {
            Object[] elements = currentSelection.toArray();
            for (int e = 0; e < elements.length; e++) {
                if (elements[e].equals(fElement)) {
                    elements[e] = newElement;
                    changed = true;
                }
            }
            if (changed) {
                newSelection[0] = new StructuredSelection(elements);
            }
        }
        if (changed) {
            fDisplay.asyncExec(new Runnable() {
                public void run() {
                    target.selectReveal(newSelection[0]);
                }
            });
        }
    }
}

From source file:org.eclipse.debug.internal.ui.viewers.model.InternalVirtualTreeModelViewer.java

License:Open Source License

private TreeSelection adjustSelectionForReplace(VirtualItem[] selectedItems, TreeSelection selection,
        VirtualItem item, Object element, Object parentElement) {
    if (item.getData() != null || selectedItems.length == selection.size() || parentElement == null) {
        // Don't do anything - we are not seeing an instance of bug 185673
        return selection;
    }/*from   w ww.  j  av a 2  s .  c  o  m*/
    for (int i = 0; i < selectedItems.length; i++) {
        if (item == selectedItems[i]) {
            // The current item was selected, but its data is null.
            // The data will be replaced by the given element, so to keep
            // it selected, we have to add it to the selection.
            TreePath[] originalPaths = selection.getPaths();
            int length = originalPaths.length;
            TreePath[] paths = new TreePath[length + 1];
            System.arraycopy(originalPaths, 0, paths, 0, length);
            // set the element temporarily so that we can call getTreePathFromItem
            item.setData(element);
            paths[length] = getTreePathFromItem(item);
            item.setData(null);
            return new TreeSelection(paths, selection.getElementComparer());
        }
    }
    // The item was not selected, return the given selection
    return selection;
}

From source file:org.eclipse.jdt.ui.tests.packageview.WorkingSetDropAdapterTest.java

License:Open Source License

private ITreeSelection createSelection(Object selectedElement, List treePathes) {
    if (treePathes == null) {
        treePathes = new ArrayList();
        treePathes.add(new TreePath(new Object[] { selectedElement }));
    }/*from  ww  w . ja va2 s .co  m*/
    return new TreeSelection((TreePath[]) treePathes.toArray(new TreePath[treePathes.size()]),
            fPackageExplorer.getTreeViewer().getComparer());
}

From source file:org.eclipse.nebula.jface.galleryviewer.GalleryTreeViewer.java

License:Open Source License

/**
 * Removes the element at the specified index of the parent. The selection
 * is updated if required.//from   ww w.j  a v  a 2 s  .  co m
 * 
 * @param parentOrTreePath
 *            the parent element, the input element, or a tree path to the
 *            parent element
 * @param index
 *            child index
 * @since 3.3
 */
public void remove(final Object parentOrTreePath, final int index) {
    // if (isBusy())
    // return;
    final List oldSelection = new LinkedList(Arrays.asList(((TreeSelection) getSelection()).getPaths()));
    preservingSelection(new Runnable() {
        public void run() {
            TreePath removedPath = null;
            if (internalIsInputOrEmptyPath(parentOrTreePath)) {
                Gallery gallery = (Gallery) getControl();
                if (index < gallery.getItemCount()) {
                    GalleryItem item = gallery.getItem(index);
                    if (item.getData() != null) {
                        removedPath = getTreePathFromItem(item);
                        disassociate(item);
                    }
                    item.dispose();
                }
            } else {
                Widget[] parentItems = internalFindItems(parentOrTreePath);
                for (int i = 0; i < parentItems.length; i++) {
                    GalleryItem parentItem = (GalleryItem) parentItems[i];
                    if (index < parentItem.getItemCount()) {
                        GalleryItem item = parentItem.getItem(index);
                        if (item.getData() != null) {
                            removedPath = getTreePathFromItem(item);
                            disassociate(item);
                        }
                        item.dispose();
                    }
                }
            }
            if (removedPath != null) {
                boolean removed = false;
                for (Iterator it = oldSelection.iterator(); it.hasNext();) {
                    TreePath path = (TreePath) it.next();
                    if (path.startsWith(removedPath, getComparer())) {
                        it.remove();
                        removed = true;
                    }
                }
                if (removed) {
                    setSelection(new TreeSelection(
                            (TreePath[]) oldSelection.toArray(new TreePath[oldSelection.size()]),
                            getComparer()), false);
                }

            }
        }
    });
}

From source file:org.eclipse.nebula.jface.gridviewer.GridTreeViewer.java

License:Open Source License

/**
 * Removes the element at the specified index of the parent.  The selection is updated if required.
 *
 * @param parentOrTreePath the parent element, the input element, or a tree path to the parent element
 * @param index child index// w w  w  . ja va  2  s .co m
 * @since 3.3
 */
public void remove(final Object parentOrTreePath, final int index) {
    if (checkBusy())
        return;
    final List oldSelection = new LinkedList(Arrays.asList(((TreeSelection) getSelection()).getPaths()));
    preservingSelection(new Runnable() {
        public void run() {
            TreePath removedPath = null;
            if (internalIsInputOrEmptyPath(parentOrTreePath)) {
                Tree tree = (Tree) getControl();
                if (index < tree.getItemCount()) {
                    TreeItem item = tree.getItem(index);
                    if (item.getData() != null) {
                        removedPath = getTreePathFromItem(item);
                        disassociate(item);
                    }
                    item.dispose();
                }
            } else {
                Widget[] parentItems = internalFindItems(parentOrTreePath);
                for (int i = 0; i < parentItems.length; i++) {
                    TreeItem parentItem = (TreeItem) parentItems[i];
                    if (parentItem.isDisposed())
                        continue;
                    if (index < parentItem.getItemCount()) {
                        TreeItem item = parentItem.getItem(index);
                        if (item.getData() != null) {
                            removedPath = getTreePathFromItem(item);
                            disassociate(item);
                        }
                        item.dispose();
                    }
                }
            }
            if (removedPath != null) {
                boolean removed = false;
                for (Iterator it = oldSelection.iterator(); it.hasNext();) {
                    TreePath path = (TreePath) it.next();
                    if (path.startsWith(removedPath, getComparer())) {
                        it.remove();
                        removed = true;
                    }
                }
                if (removed) {
                    setSelection(new TreeSelection(
                            (TreePath[]) oldSelection.toArray(new TreePath[oldSelection.size()]),
                            getComparer()), false);
                }

            }
        }
    });
}

From source file:org.eclipse.wst.jsdt.internal.ui.refactoring.reorg.RenameSelectionState.java

License:Open Source License

public void restore(Object newElement) {
    if (fDisplay == null)
        return;/*from w  w w  .  j  a v  a 2  s . co m*/
    for (int i = 0; i < fParts.size(); i++) {
        IStructuredSelection currentSelection = (IStructuredSelection) fSelections.get(i);
        boolean changed = false;
        final ISetSelectionTarget target = (ISetSelectionTarget) fParts.get(i);
        final IStructuredSelection[] newSelection = new IStructuredSelection[1];
        newSelection[0] = currentSelection;
        if (currentSelection instanceof TreeSelection) {
            TreeSelection treeSelection = (TreeSelection) currentSelection;
            TreePath[] paths = treeSelection.getPaths();
            for (int p = 0; p < paths.length; p++) {
                TreePath path = paths[p];
                if (path.getSegmentCount() > 0 && path.getLastSegment().equals(fElement)) {
                    paths[p] = createTreePath(path, newElement);
                    changed = true;
                }
            }
            if (changed) {
                newSelection[0] = new TreeSelection(paths, treeSelection.getElementComparer());
            }
        } else {
            Object[] elements = currentSelection.toArray();
            for (int e = 0; e < elements.length; e++) {
                if (elements[e].equals(fElement)) {
                    elements[e] = newElement;
                    changed = true;
                }
            }
            if (changed) {
                newSelection[0] = new StructuredSelection(elements);
            }
        }
        if (changed) {
            fDisplay.asyncExec(new Runnable() {
                public void run() {
                    target.selectReveal(newSelection[0]);
                }
            });
        }
    }
}

From source file:org.mingy.jsfs.ui.viewer.CTreeComboViewer.java

License:Open Source License

/**
 * Fix for bug 185673: If the currently replaced item was selected, add it
 * to the selection that is being restored. Only do this if its getData() is
 * currently null// ww w .  j a v  a  2 s. c  o m
 * 
 * @param selectedItems
 * @param selection
 * @param item
 * @param element
 * @return
 */
private TreeSelection adjustSelectionForReplace(Item[] selectedItems, TreeSelection selection,
        CTreeComboItem item, Object element, Object parentElement) {
    if (item.getData() != null || selectedItems.length == selection.size() || parentElement == null) {
        // Don't do anything - we are not seeing an instance of bug 185673
        return selection;
    }
    for (int i = 0; i < selectedItems.length; i++) {
        if (item == selectedItems[i]) {
            // The current item was selected, but its data is null.
            // The data will be replaced by the given element, so to keep
            // it selected, we have to add it to the selection.
            TreePath[] originalPaths = selection.getPaths();
            int length = originalPaths.length;
            TreePath[] paths = new TreePath[length + 1];
            System.arraycopy(originalPaths, 0, paths, 0, length);
            // set the element temporarily so that we can call
            // getTreePathFromItem
            item.setData(element);
            paths[length] = getTreePathFromItem(item);
            item.setData(null);
            return new TreeSelection(paths, selection.getElementComparer());
        }
    }
    // The item was not selected, return the given selection
    return selection;
}