X-Git-Url: https://git.argeo.org/?a=blobdiff_plain;f=org.argeo.cms.ui%2Fsrc%2Forg%2Fargeo%2Fcms%2Fui%2Fwidgets%2FStyledControl.java;fp=org.argeo.cms.ui%2Fsrc%2Forg%2Fargeo%2Fcms%2Fui%2Fwidgets%2FStyledControl.java;h=b085fdf9ce770ddceded5c63650b61d86ce0d8a8;hb=5b3108fe285bca50565b58b63fa4feddc96c0765;hp=0000000000000000000000000000000000000000;hpb=e54c6091d38b6859dec42f36e7334da19e2a0227;p=lgpl%2Fargeo-commons.git

diff --git a/org.argeo.cms.ui/src/org/argeo/cms/ui/widgets/StyledControl.java b/org.argeo.cms.ui/src/org/argeo/cms/ui/widgets/StyledControl.java
new file mode 100644
index 000000000..b085fdf9c
--- /dev/null
+++ b/org.argeo.cms.ui/src/org/argeo/cms/ui/widgets/StyledControl.java
@@ -0,0 +1,134 @@
+package org.argeo.cms.ui.widgets;
+
+import javax.jcr.Item;
+import javax.jcr.RepositoryException;
+
+import org.argeo.cms.ui.CmsConstants;
+import org.argeo.cms.ui.util.CmsUiUtils;
+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 JcrComposite implements CmsConstants {
+	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;
+
+	public StyledControl(Composite parent, int swtStyle) {
+		super(parent, swtStyle);
+		setLayout(CmsUiUtils.noSpaceGridLayout());
+	}
+
+	public StyledControl(Composite parent, int style, Item item) throws RepositoryException {
+		super(parent, style, item);
+	}
+
+	public StyledControl(Composite parent, int style, Item item, boolean cacheImmediately) throws RepositoryException {
+		super(parent, style, item, cacheImmediately);
+	}
+
+	protected abstract Control createControl(Composite box, String style);
+
+	protected Composite createBox(Composite parent) {
+		Composite box = new Composite(parent, SWT.INHERIT_DEFAULT);
+		setContainerLayoutData(box);
+		box.setLayout(CmsUiUtils.noSpaceGridLayout());
+		// new Label(box, SWT.NONE).setText("BOX");
+		return box;
+	}
+
+	public Control getControl() {
+		return control;
+	}
+
+	protected synchronized Boolean isEditing() {
+		return editing;
+	}
+
+	public synchronized void startEditing() {
+		assert !isEditing();
+		editing = true;
+		// int height = control.getSize().y;
+		String style = (String) control.getData(STYLE);
+		clear(false);
+		control = createControl(box, style);
+		setControlLayoutData(control);
+
+		// add the focus listener to the newly created edition control
+		if (focusListener != null)
+			control.addFocusListener(focusListener);
+	}
+
+	public synchronized void stopEditing() {
+		assert isEditing();
+		editing = false;
+		String style = (String) control.getData(STYLE);
+		clear(false);
+		control = createControl(box, style);
+		setControlLayoutData(control);
+	}
+
+	public void setStyle(String style) {
+		Object currentStyle = null;
+		if (control != null)
+			currentStyle = control.getData(STYLE);
+		if (currentStyle != null && currentStyle.equals(style))
+			return;
+
+		// Integer preferredHeight = control != null ? control.getSize().y :
+		// null;
+		clear(true);
+		control = createControl(box, style);
+		setControlLayoutData(control);
+
+		control.getParent().setData(STYLE, style + "_box");
+		control.getParent().getParent().setData(STYLE, style + "_container");
+	}
+
+	/** To be overridden */
+	protected void setControlLayoutData(Control control) {
+		control.setLayoutData(CmsUiUtils.fillWidth());
+	}
+
+	/** To be overridden */
+	protected void setContainerLayoutData(Composite composite) {
+		composite.setLayoutData(CmsUiUtils.fillWidth());
+	}
+
+	protected void clear(boolean deep) {
+		if (deep) {
+			for (Control control : getChildren())
+				control.dispose();
+			container = createBox(this);
+			box = createBox(container);
+		} 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);
+	}
+}