--- /dev/null
+package org.argeo.cms.swt.widgets;
+
+import org.argeo.api.cms.ux.CmsStyle;
+import org.argeo.cms.swt.CmsSwtUtils;
+import org.argeo.cms.swt.SwtEditablePart;
+import org.argeo.eclipse.ui.specific.EclipseUiSpecificUtils;
+import org.eclipse.swt.SWT;
+import org.eclipse.swt.events.FocusListener;
+import org.eclipse.swt.events.MouseListener;
+import org.eclipse.swt.widgets.Composite;
+import org.eclipse.swt.widgets.Control;
+
+/** Editable text part displaying styled text. */
+public abstract class StyledControl extends Composite implements SwtEditablePart {
+ private static final long serialVersionUID = -6372283442330912755L;
+ private Control control;
+
+ private Composite container;
+ private Composite box;
+
+ protected MouseListener mouseListener;
+ protected FocusListener focusListener;
+
+ private Boolean editing = Boolean.FALSE;
+
+ private Composite ancestorToLayout;
+
+ public StyledControl(Composite parent, int swtStyle) {
+ super(parent, swtStyle);
+ setLayout(CmsSwtUtils.noSpaceGridLayout());
+ }
+
+ protected abstract Control createControl(Composite box, String style);
+
+ protected Composite createBox() {
+ Composite box = new Composite(container, SWT.INHERIT_DEFAULT);
+ setContainerLayoutData(box);
+ box.setLayout(CmsSwtUtils.noSpaceGridLayout(3));
+ return box;
+ }
+
+ protected Composite createContainer() {
+ Composite container = new Composite(this, SWT.INHERIT_DEFAULT);
+ setContainerLayoutData(container);
+ container.setLayout(CmsSwtUtils.noSpaceGridLayout());
+ return container;
+ }
+
+ @Override
+ public Control getControl() {
+ return control;
+ }
+
+ protected synchronized Boolean isEditing() {
+ return editing;
+ }
+
+ @Override
+ public synchronized void startEditing() {
+ assert !isEditing();
+ editing = true;
+ // int height = control.getSize().y;
+ String style = (String) EclipseUiSpecificUtils.getStyleData(control);
+ clear(false);
+ refreshControl(style);
+
+ // add the focus listener to the newly created edition control
+ if (focusListener != null)
+ control.addFocusListener(focusListener);
+ }
+
+ @Override
+ public synchronized void stopEditing() {
+ assert isEditing();
+ editing = false;
+ String style = (String) EclipseUiSpecificUtils.getStyleData(control);
+ clear(false);
+ refreshControl(style);
+ }
+
+ protected void refreshControl(String style) {
+ control = createControl(box, style);
+ setControlLayoutData(control);
+ if (ancestorToLayout != null)
+ ancestorToLayout.layout(true, true);
+ else
+ getParent().layout(true, true);
+ }
+
+ public void setStyle(CmsStyle style) {
+ setStyle(style.style());
+ }
+
+ public void setStyle(String style) {
+ Object currentStyle = null;
+ if (control != null)
+ currentStyle = EclipseUiSpecificUtils.getStyleData(control);
+ if (currentStyle != null && currentStyle.equals(style))
+ return;
+
+ clear(true);
+ refreshControl(style);
+
+ if (style != null) {
+ CmsSwtUtils.style(box, style + "_box");
+ CmsSwtUtils.style(container, style + "_container");
+ }
+ }
+
+ /** To be overridden */
+ protected void setControlLayoutData(Control control) {
+ control.setLayoutData(CmsSwtUtils.fillWidth());
+ }
+
+ /** To be overridden */
+ protected void setContainerLayoutData(Composite composite) {
+ composite.setLayoutData(CmsSwtUtils.fillWidth());
+ }
+
+ protected void clear(boolean deep) {
+ if (deep) {
+ for (Control control : getChildren())
+ control.dispose();
+ container = createContainer();
+ box = createBox();
+ } else {
+ control.dispose();
+ }
+ }
+
+ public void setMouseListener(MouseListener mouseListener) {
+ if (this.mouseListener != null && control != null)
+ control.removeMouseListener(this.mouseListener);
+ this.mouseListener = mouseListener;
+ if (control != null && this.mouseListener != null)
+ control.addMouseListener(mouseListener);
+ }
+
+ public void setFocusListener(FocusListener focusListener) {
+ if (this.focusListener != null && control != null)
+ control.removeFocusListener(this.focusListener);
+ this.focusListener = focusListener;
+ if (control != null && this.focusListener != null)
+ control.addFocusListener(focusListener);
+ }
+
+ public void setAncestorToLayout(Composite ancestorToLayout) {
+ this.ancestorToLayout = ancestorToLayout;
+ }
+
+}