Introduce plain styled control and editable text.

[lgpl/argeo-commons.git] / eclipse / org.argeo.cms.swt / src / org / argeo / cms / swt / widgets / StyledControl.java

diff --git a/eclipse/org.argeo.cms.swt/src/org/argeo/cms/swt/widgets/StyledControl.java b/eclipse/org.argeo.cms.swt/src/org/argeo/cms/swt/widgets/StyledControl.java
new file mode 100644 (file)
index 0000000..82c04a2
--- /dev/null
+++ b/eclipse/org.argeo.cms.swt/src/org/argeo/cms/swt/widgets/StyledControl.java
@@ -0,0 +1,151 @@
+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;
+       }
+
+}