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TreeViewerMockup.java
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TreeViewerMockup.java
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package org.eclipse.jface.viewer;
import java.util.ArrayList;
import org.eclipse.core.runtime.IProgressMonitor;
import org.eclipse.core.runtime.IStatus;
import org.eclipse.core.runtime.Status;
import org.eclipse.core.runtime.jobs.Job;
import org.eclipse.jface.viewers.CellEditor;
import org.eclipse.jface.viewers.ColumnLabelProvider;
import org.eclipse.jface.viewers.ColumnViewerEditor;
import org.eclipse.jface.viewers.ColumnViewerEditorActivationEvent;
import org.eclipse.jface.viewers.ColumnViewerEditorActivationStrategy;
import org.eclipse.jface.viewers.EditingSupport;
import org.eclipse.jface.viewers.FocusCellOwnerDrawHighlighter;
import org.eclipse.jface.viewers.ITreeContentProvider;
import org.eclipse.jface.viewers.LabelProvider;
import org.eclipse.jface.viewers.TextCellEditor;
import org.eclipse.jface.viewers.TreeViewer;
import org.eclipse.jface.viewers.TreeViewerColumn;
import org.eclipse.jface.viewers.TreeViewerEditor;
import org.eclipse.jface.viewers.TreeViewerFocusCellManager;
import org.eclipse.jface.viewers.Viewer;
import org.eclipse.swt.SWT;
import org.eclipse.swt.layout.FillLayout;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.Control;
import com.xored.q7.quality.mockups.issues.BaseMockupPart;
public class TreeViewerMockup extends BaseMockupPart {
@Override
public Control construct(Composite parent) {
parent.setLayout(new FillLayout());
final TreeViewer tv = new TreeViewer(parent, SWT.BORDER | SWT.FULL_SELECTION);
tv.setContentProvider(new MyTreeContentProvider());
tv.getTree().setLinesVisible(true);
tv.getTree().setHeaderVisible(true);
TreeViewerFocusCellManager focusCellManager = new TreeViewerFocusCellManager(tv,
new FocusCellOwnerDrawHighlighter(tv));
ColumnViewerEditorActivationStrategy actSupport = new ColumnViewerEditorActivationStrategy(tv) {
protected boolean isEditorActivationEvent(
ColumnViewerEditorActivationEvent event) {
return event.eventType == ColumnViewerEditorActivationEvent.TRAVERSAL
|| event.eventType == ColumnViewerEditorActivationEvent.MOUSE_DOUBLE_CLICK_SELECTION
|| (event.eventType == ColumnViewerEditorActivationEvent.KEY_PRESSED && event.keyCode == SWT.CR)
|| event.eventType == ColumnViewerEditorActivationEvent.PROGRAMMATIC;
}
};
TreeViewerEditor.create(tv, focusCellManager, actSupport, ColumnViewerEditor.TABBING_HORIZONTAL
| ColumnViewerEditor.TABBING_MOVE_TO_ROW_NEIGHBOR
| ColumnViewerEditor.TABBING_VERTICAL | ColumnViewerEditor.KEYBOARD_ACTIVATION);
final TextCellEditor textCellEditor = new TextCellEditor(tv.getTree());
TreeViewerColumn column = new TreeViewerColumn(tv, SWT.NONE);
column.getColumn().setWidth(200);
column.getColumn().setMoveable(true);
column.getColumn().setText("Column 1");
column.setLabelProvider(new ColumnLabelProvider() {
public String getText(Object element) {
return "Column 1 => " + element.toString();
}
});
column = new TreeViewerColumn(tv, SWT.NONE);
column.getColumn().setWidth(200);
column.getColumn().setMoveable(true);
column.getColumn().setText("Column 2");
column.setLabelProvider(new ColumnLabelProvider() {
public String getText(Object element) {
return "Column 2 => " + element.toString();
}
});
column.setEditingSupport(new EditingSupport(tv) {
protected boolean canEdit(Object element) {
return true;
}
protected CellEditor getCellEditor(Object element) {
return textCellEditor;
}
protected Object getValue(Object element) {
return ((MyModel) element).counter + "";
}
protected void setValue(final Object element, final Object value) {
Job job = new Job("Thinking deeply") {
@Override
protected IStatus run(IProgressMonitor monitor) {
try {
Thread.sleep(1000);
tv.getControl().getDisplay().asyncExec(new Runnable() {
@Override
public void run() {
((MyModel) element).counter = Integer
.parseInt(value.toString());
tv.update(element, null);
}
});
} catch (InterruptedException e) {
}
return Status.OK_STATUS;
}
};
job.schedule();
}
});
tv.setLabelProvider(new LabelProvider());
tv.setInput(createModel());
return null;
}
public class MyTreeContentProvider implements ITreeContentProvider {
public Object[] getChildren(Object parentElement) {
return getElements(parentElement);
}
public Object[] getElements(Object inputElement) {
return ((MyModel) inputElement).child.toArray();
}
public boolean hasChildren(Object element) {
return ((MyModel) element).child.size() > 0;
}
public Object getParent(Object element) {
if (element == null) {
return null;
}
return ((MyModel) element).parent;
}
public void dispose()
{
}
public void inputChanged(Viewer viewer, Object old_input, Object new_input)
{
}
}
@SuppressWarnings("rawtypes")
public class MyModel {
public MyModel parent;
public ArrayList child = new ArrayList();
public int counter;
public MyModel(int counter, MyModel parent) {
this.parent = parent;
this.counter = counter;
}
public String toString() {
String rv = "Item ";
if (parent != null) {
rv = parent.toString() + ".";
}
rv += counter;
return rv;
}
}
@SuppressWarnings("unchecked")
private MyModel createModel() {
MyModel root = new MyModel(0, null);
root.counter = 0;
MyModel tmp;
MyModel tmp2;
for (int i = 1; i < 10; i++) {
tmp = new MyModel(i, root);
root.child.add(tmp);
for (int j = 1; j < i; j++) {
tmp2 = new MyModel(j, tmp);
tmp.child.add(tmp2);
if (j == 3) {
for (int k = 0; k < 2; k++) {
tmp2.child.add(new MyModel(k, tmp2));
}
}
}
}
return root;
}
}