Revision 2204e24e
Added by Patrick Plitzner about 5 years ago
| eu.etaxonomy.taxeditor.store/src/main/java/eu/etaxonomy/taxeditor/preference/wizard/CheckBoxTreeComposite.java | ||
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*/ |
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package eu.etaxonomy.taxeditor.preference.wizard; |
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import java.util.Arrays; |
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import java.util.List; |
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import org.eclipse.jface.resource.JFaceResources; |
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import org.eclipse.jface.viewers.AbstractTreeViewer; |
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import org.eclipse.jface.viewers.CheckboxTreeViewer; |
| ... | ... | |
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import org.eclipse.swt.layout.GridLayout; |
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import org.eclipse.swt.widgets.Button; |
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import org.eclipse.swt.widgets.Composite; |
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import org.eclipse.swt.widgets.Label; |
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import org.eclipse.swt.widgets.Tree; |
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import org.eclipse.swt.widgets.TreeItem; |
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import org.eclipse.swt.widgets.Widget; |
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private Button btnCollapse; |
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private Button btnExpand; |
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private Button btnSelectAllChildren; |
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private Button btnSelectDirectChildren; |
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public CheckBoxTreeComposite(Composite parent, ITreeContentProvider contentProvider, IBaseLabelProvider labelProvider, int style) {
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super(parent, style); |
| ... | ... | |
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Composite toolbar = new Composite(composite, SWT.NONE); |
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toolbar.setLayoutData(new GridData(SWT.RIGHT, SWT.CENTER, true, false, 1, 1)); |
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GridLayout gl_toolbar = new GridLayout(4, false); |
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gl_toolbar.horizontalSpacing = 4; |
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gl_toolbar.marginHeight = 0; |
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gl_toolbar.verticalSpacing = 0; |
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toolbar.setLayout(gl_toolbar); |
| ... | ... | |
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btnExpand.setImage(ImageResources.getImage(ImageResources.EXPAND)); |
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btnExpand.setToolTipText(Messages.CheckBoxTreeComposite_EXPAND); |
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btnSelectAllChildren = new Button(toolbar, SWT.NONE); |
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btnSelectAllChildren.addSelectionListener(this); |
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btnSelectAllChildren.setImage(ImageResources.getImage(ImageResources.HIERARCHICAL)); |
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btnSelectAllChildren.setToolTipText(Messages.CheckBoxTreeComposite_TOGGLE_TREE_SELECTION); |
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new Label(toolbar, SWT.NONE); |
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btnSelectDirectChildren = new Button(toolbar, SWT.NONE); |
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btnSelectDirectChildren.addSelectionListener(this); |
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btnSelectDirectChildren.setImage(ImageResources.getImage(ImageResources.FLAT)); |
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btnSelectDirectChildren.setToolTipText("Select direct children");
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btnSelectAllChildren = new Button(toolbar, SWT.NONE); |
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btnSelectAllChildren.addSelectionListener(this); |
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btnSelectAllChildren.setImage(ImageResources.getImage(ImageResources.HIERARCHICAL)); |
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btnSelectAllChildren.setToolTipText(Messages.CheckBoxTreeComposite_TOGGLE_TREE_SELECTION); |
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Tree tree = new Tree(composite, SWT.BORDER | SWT.CHECK); |
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tree.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, true)); |
| ... | ... | |
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else if(e.widget == btnExpand){
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viewer.expandToLevel(firstElement, AbstractTreeViewer.ALL_LEVELS); |
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} |
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else if(e.widget == btnSelectDirectChildren){
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Widget item = viewer.testFindItem(firstElement); |
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if(item instanceof TreeItem){
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viewer.expandToLevel(firstElement, 1); |
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TreeItem treeItem = (TreeItem) item; |
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TreeItem[] childItems = treeItem.getItems(); |
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List<TreeItem> childItemList = Arrays.asList(childItems); |
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boolean allChecked = childItemList.stream().allMatch(childItem->childItem.getChecked()); |
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childItemList.stream().forEach(childItem->childItem.setChecked(!allChecked)); |
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TreeItem parent = getRoot(treeItem); |
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updateItem(parent); |
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} |
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} |
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else if(e.widget == btnSelectAllChildren){
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Widget item = viewer.testFindItem(firstElement); |
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boolean checked = false; |
| ... | ... | |
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break; |
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} |
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} |
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if(item!=null){
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if(item instanceof TreeItem){
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viewer.expandToLevel(firstElement, AbstractTreeViewer.ALL_LEVELS); |
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viewer.setSubtreeChecked(firstElement, !checked); |
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TreeItem[] rootItems = viewer.getTree().getItems(); |
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for (TreeItem rootItem : rootItems) {
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updateItem(rootItem); |
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} |
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TreeItem parent = getRoot((TreeItem) item); |
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updateItem(parent); |
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} |
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} |
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} |
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/** |
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* @param treeItem |
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* @return |
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*/ |
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private TreeItem getRoot(TreeItem treeItem) {
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TreeItem parent = treeItem; |
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while(parent.getParentItem()!=null){
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parent = parent.getParentItem(); |
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} |
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return parent; |
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} |
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@Override |
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public void widgetDefaultSelected(SelectionEvent e) {
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} |
Also available in: Unified diff
ref #7912 Add "Select direct children" button