private void packTable() {
for (int i = 0; i < titles.length; i++) {
tree.getColumn(i).pack();
}
if (tree.getColumn(titles.length - 1).getWidth() < MAX_WIDTH) {
tree.getColumn(titles.length - 1).setWidth(MAX_WIDTH);
}
}
/**
* Gets the column index corresponding to the given column.
*
* @param tree The tree
* @param column The thread column
* @return The column index
*/
private static int getColumnIndex(Tree tree, HeapColumn column) {
for (int i = 0; i < tree.getColumnCount(); i++) {
if (tree.getColumn(i).getText().equals(column.label)) {
return i;
}
}
return -1;
}
/**
* Gets the column index corresponding to the given column.
*
* @param column The heap column
* @return The column index
*/
private int getColumnIndex(HeapColumn column) {
Tree table = treeViewer.getTree();
for (int i = 0; i < table.getColumnCount(); i++) {
if (table.getColumn(i).getText().equals(column.label)) {
return i;
}
}
return -1;
}
/**
* Gets the column index corresponding to the given column.
*
* @param column The attribute column
* @return The column index
*/
private int getColumnIndex(PropertiesColumn column) {
Tree tree = viewer.getTree();
for (int i = 0; i < tree.getColumnCount(); i++) {
if (tree.getColumn(i).getText().equals(column.label)) {
return i;
}
}
return -1;
}
public ContactTab(final Composite composite) {
super(composite, 0);
this.setLayout(new GridLayout(1, false));
Composite containerHeaderSession = new Composite(this, SWT.NONE);
containerHeaderSession.setLayoutData(new GridData(GridData.FILL_HORIZONTAL));
containerHeaderSession.setLayout(new GridLayout(2, false));
final Combo comboSession = new Combo(containerHeaderSession, SWT.DROP_DOWN | SWT.READ_ONLY);
comboSession.add("分类1");
comboSession.add("分类2");
comboSession.add("分类3");
comboSession.add("分类4");
comboSession.select(0);
final Label labelHeader1 = new Label(containerHeaderSession, SWT.NONE);
labelHeader1.setText("共1人");
tree =
new Tree(
this, /*SWT.CHECK | */
SWT.VIRTUAL
| SWT.MULTI
| SWT.BORDER
| SWT.FULL_SELECTION
| SWT.H_SCROLL
| SWT.V_SCROLL);
tree.setLinesVisible(true);
tree.setHeaderVisible(true);
// tree.setRedraw(true);
tree.setLayoutData(new GridData(GridData.FILL_BOTH));
for (int i = 0; i < titles.length; i++) {
TreeColumn column = new TreeColumn(tree, SWT.NONE);
column.setText(titles[i]);
}
tree.addTreeListener(
new TreeAdapter() {
@Override
public void treeCollapsed(TreeEvent e) {
super.treeCollapsed(e);
expand();
}
@Override
public void treeExpanded(TreeEvent e) {
super.treeExpanded(e);
expand();
}
private void expand() {
// System.out.println("expand...");
isExpanding = true;
Display.getDefault()
.timerExec(
500,
new Runnable() {
public void run() {
isExpanding = false;
// System.out.println("isGroupClick: " + isGroupClick);
}
});
}
});
tree.addMouseListener(
new MouseAdapter() {
@Override
public void mouseDown(MouseEvent event) {
super.mouseDown(event);
}
@Override
public void mouseDoubleClick(MouseEvent event) {
super.mouseDoubleClick(event);
Point point = new Point(event.x, event.y);
TreeItem item = tree.getItem(point);
// System.out.println("Mouse double click: " + item);
if (item != null && item.getData() != null && isExpanding == false) {
ContactInfoDialog dialog =
new ContactInfoDialog(getParent().getShell(), ContactInfoComposite.TYPE_EDIT);
ContactInfo info = (ContactInfo) item.getData();
dialog.setData(info);
if (dialog.open() == ContactInfoDialog.OK) {
AppData.getInstance().getMainWin().refreshContactData(true);
}
}
}
});
tree.addSelectionListener(
new SelectionAdapter() {
@Override
public void widgetSelected(SelectionEvent event) {
if (event.detail == SWT.CHECK) {
TreeItem item = (TreeItem) event.item;
boolean checked = item.getChecked();
UIUtil.checkItems(item, checked);
UIUtil.checkPath(item.getParentItem(), checked, false);
} else {
TreeItem item = (TreeItem) event.item;
ContactInfo info = null;
if (item != null && item.getData() != null) {
info = (ContactInfo) item.getData();
}
AppData.getInstance().getMainWin().showDetail(info);
}
}
});
setupPopupMenu();
Composite containerHeaderEdit = new Composite(this, SWT.NONE);
containerHeaderEdit.setLayoutData(new GridData(GridData.FILL_HORIZONTAL));
containerHeaderEdit.setLayout(new GridLayout(7, false));
final Label labelCatalog = new Label(containerHeaderEdit, SWT.PUSH);
labelCatalog.setText("小类：");
final Combo comboCatalog = new Combo(containerHeaderEdit, SWT.DROP_DOWN | SWT.READ_ONLY);
comboCatalog.add("小类1");
comboCatalog.add("小类2");
final Label labelSearch = new Label(containerHeaderEdit, SWT.PUSH);
labelSearch.setText("联系人搜索：");
final Text textSearch = new Text(containerHeaderEdit, SWT.BORDER);
textSearch.setLayoutData(new GridData(150, SWT.DEFAULT));
final Button buttonAdd = new Button(containerHeaderEdit, SWT.PUSH);
buttonAdd.setText("新增...");
buttonAdd.setLayoutData(new GridData(100, SWT.DEFAULT));
buttonAdd.addSelectionListener(
new SelectionAdapter() {
@Override
public void widgetSelected(SelectionEvent e) {
AppData.getInstance().getMainWin().addContact();
}
});
final Button buttonImport = new Button(containerHeaderEdit, SWT.PUSH);
buttonImport.setText("导入...");
buttonImport.setLayoutData(new GridData(100, SWT.DEFAULT));
final Button buttonExport = new Button(containerHeaderEdit, SWT.PUSH);
buttonExport.setText("导出...");
buttonExport.setLayoutData(new GridData(100, SWT.DEFAULT));
if (!USE_PACK) {
for (int i = 0; i < titles.length; i++) {
if (i == 0) {
tree.getColumn(i).setWidth(200);
} else {
tree.getColumn(i).setWidth(100);
}
}
}
if (USE_VIRTUAL) {
tree.addListener(
SWT.SetData,
new Listener() {
@Override
public void handleEvent(Event event) {
TreeItem item = (TreeItem) event.item;
TreeItem parentItem = item.getParentItem();
String text = null;
if (parentItem == null) {
ContactGroupInfo groupInfo = groupInfoList.get(tree.indexOf(item));
text = groupInfo.getGroupName() + " (共" + groupInfo.getSize() + "人)";
item.setText(text);
item.setItemCount(groupInfo.getSize());
item.setExpanded(true);
} else {
ContactGroupInfo groupInfo = groupInfoList.get(tree.indexOf(parentItem));
ContactInfo info = results.get(groupInfo.getIndex(parentItem.indexOf(item)));
fillItem(item, info);
}
if (USE_PACK) {
packTable();
}
}
});
}
reloadData(false);
}
public void createPartControl(Composite parent) {
statusline = getViewSite().getActionBars().getStatusLineManager();
statusline.setMessage(
Activator.getImageDescriptor("icons/info.png").createImage(),
Messages.StatusLine_DropFilesHint);
makeActions();
ScrolledComposite scrolledComposite = new ScrolledComposite(parent, SWT.V_SCROLL);
scrolledComposite.setExpandVertical(true);
scrolledComposite.setExpandHorizontal(true);
Composite content = new Composite(scrolledComposite, SWT.NONE);
content.setLayout(new GridLayout(1, false));
scrolledComposite.setContent(content);
toolBarManager = new ToolBarManager();
toolBarManager.add(encryptFilesAction);
toolBarManager.add(newFolderAction);
toolBarManager.add(new Separator("static"));
toolBarManager.add(exportSelectionAction);
toolBarManager.add(renameAction);
toolBarManager.add(deleteSelectionAction);
toolBarManager.add(new Separator("static"));
toolBarManager.add(expandAllAction);
toolBarManager.add(collapseAllAction);
ToolBar toolbar = toolBarManager.createControl(content);
toolbar.setLayoutData(new GridData(SWT.LEFT, SWT.CENTER, true, false));
// Create the tree viewer as a child of the composite parent
treeViewer =
new TreeViewer(
content, SWT.FULL_SELECTION | SWT.MULTI | SWT.H_SCROLL | SWT.V_SCROLL | SWT.BORDER);
// Anpassungen für TreeTable
tree = treeViewer.getTree();
GridData gridData = new GridData(SWT.FILL, SWT.FILL, true, true);
treeViewer.getControl().setLayoutData(gridData);
treeViewer.setUseHashlookup(true);
/** * Tree table specific code starts ** */
tree.setHeaderVisible(true);
tree.setLinesVisible(true);
for (SteadyTableIdentifier identifier : SteadyTableIdentifier.values()) {
new TreeColumn(tree, SWT.NONE).setText(Messages.getSteadyTableColumnTitle(identifier));
tree.getColumn(identifier.ordinal()).setWidth(identifier.columnWidth);
}
/** * Tree table specific code ends ** */
// layout the tree viewer below the text field
gridData = new GridData();
gridData.grabExcessHorizontalSpace = true;
gridData.grabExcessVerticalSpace = true;
gridData.horizontalAlignment = GridData.FILL;
gridData.verticalAlignment = GridData.FILL;
treeViewer.getControl().setLayoutData(gridData);
treeViewer.setContentProvider(new SteadyTreeTableContentProvider());
treeViewer.setLabelProvider(new SteadyTreeTableLabelProvider());
root = getInitialInput();
treeViewer.setInput(root);
treeViewer.expandToLevel(1);
// Drag-Part //////////////////////////////////////////////////////////
DragSource source = new DragSource(tree, DND.DROP_COPY | DND.DROP_MOVE);
source.setTransfer(new Transfer[] {TextTransfer.getInstance()});
source.addDragListener(new TreeDragSourceListener(tree));
// Drop-Part //////////////////////////////////////////////////////////
DropTarget dropTarget = new DropTarget(tree, DND.DROP_COPY | DND.DROP_DEFAULT);
dropTarget.setTransfer(new Transfer[] {TextTransfer.getInstance(), FileTransfer.getInstance()});
dropTarget.addDropListener(new TreeDropTargetAdapter(treeViewer, root));
addListeners();
createContextMenu();
createFiltersAndSorters();
}
public static void main(String[] args) {
final Display display = new Display();
Shell shell = new Shell(display);
shell.setText("Custom gradient selection for Tree");
shell.setLayout(new FillLayout());
final Tree tree = new Tree(shell, SWT.MULTI | SWT.FULL_SELECTION);
tree.setHeaderVisible(false);
tree.setLinesVisible(false);
int columnCount = 4;
for (int i = 0; i < columnCount; i++) {
TreeColumn column = new TreeColumn(tree, SWT.NONE);
column.setText("Column " + i);
}
int itemCount = 3;
for (int i = 0; i < itemCount; i++) {
TreeItem item1 = new TreeItem(tree, SWT.NONE);
item1.setText("item " + i);
for (int c = 1; c < columnCount; c++) {
item1.setText(c, "item [" + i + "-" + c + "]");
}
for (int j = 0; j < itemCount; j++) {
TreeItem item2 = new TreeItem(item1, SWT.NONE);
item2.setText("item [" + i + " " + j + "]");
for (int c = 1; c < columnCount; c++) {
item2.setText(c, "item [" + i + " " + j + "-" + c + "]");
}
for (int k = 0; k < itemCount; k++) {
TreeItem item3 = new TreeItem(item2, SWT.NONE);
item3.setText("item [" + i + " " + j + " " + k + "]");
for (int c = 1; c < columnCount; c++) {
item3.setText(c, "item [" + i + " " + j + " " + k + "-" + c + "]");
}
}
}
}
/*
* NOTE: MeasureItem, PaintItem and EraseItem are called repeatedly.
* Therefore, it is critical for performance that these methods be
* as efficient as possible.
*/
tree.addListener(
SWT.EraseItem,
new Listener() {
public void handleEvent(Event event) {
event.detail &= ~SWT.HOT;
if ((event.detail & SWT.SELECTED) != 0) {
GC gc = event.gc;
Rectangle area = tree.getClientArea();
/*
* If you wish to paint the selection beyond the end of
* last column, you must change the clipping region.
*/
int columnCount = tree.getColumnCount();
if (event.index == columnCount - 1 || columnCount == 0) {
int width = area.x + area.width - event.x;
if (width > 0) {
Region region = new Region();
gc.getClipping(region);
region.add(event.x, event.y, width, event.height);
gc.setClipping(region);
region.dispose();
}
}
gc.setAdvanced(true);
if (gc.getAdvanced()) gc.setAlpha(127);
Rectangle rect = event.getBounds();
Color foreground = gc.getForeground();
Color background = gc.getBackground();
gc.setForeground(display.getSystemColor(SWT.COLOR_RED));
gc.setBackground(display.getSystemColor(SWT.COLOR_LIST_BACKGROUND));
gc.fillGradientRectangle(0, rect.y, 500, rect.height, false);
// restore colors for subsequent drawing
gc.setForeground(foreground);
gc.setBackground(background);
event.detail &= ~SWT.SELECTED;
}
}
});
for (int i = 0; i < columnCount; i++) {
tree.getColumn(i).pack();
}
tree.setSelection(tree.getItem(0));
shell.setSize(500, 200);
shell.open();
while (!shell.isDisposed()) {
if (!display.readAndDispatch()) display.sleep();
}
display.dispose();
}