Introduce plain styled control and editable text.

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

diff --git a/eclipse/org.argeo.cms.swt/src/org/argeo/cms/swt/widgets/EditableText.java b/eclipse/org.argeo.cms.swt/src/org/argeo/cms/swt/widgets/EditableText.java
new file mode 100644 (file)
index 0000000..0612e8f
--- /dev/null
+++ b/eclipse/org.argeo.cms.swt/src/org/argeo/cms/swt/widgets/EditableText.java
@@ -0,0 +1,135 @@
+package org.argeo.cms.swt.widgets;
+
+import org.argeo.cms.swt.CmsSwtUtils;
+import org.eclipse.swt.SWT;
+import org.eclipse.swt.graphics.Color;
+import org.eclipse.swt.layout.GridData;
+import org.eclipse.swt.widgets.Composite;
+import org.eclipse.swt.widgets.Control;
+import org.eclipse.swt.widgets.Label;
+import org.eclipse.swt.widgets.Text;
+
+/** Editable text part displaying styled text. */
+public class EditableText extends StyledControl {
+       private static final long serialVersionUID = -6372283442330912755L;
+
+       private boolean editable = true;
+       private boolean multiLine = true;
+
+       private Color highlightColor;
+       private Composite highlight;
+
+       private boolean useTextAsLabel = false;
+
+       public EditableText(Composite parent, int style) {
+               super(parent, style);
+               editable = !(SWT.READ_ONLY == (style & SWT.READ_ONLY));
+               multiLine = !(SWT.SINGLE == (style & SWT.SINGLE));
+               highlightColor = parent.getDisplay().getSystemColor(SWT.COLOR_GRAY);
+               useTextAsLabel = SWT.FLAT == (style & SWT.FLAT);
+       }
+
+       @Override
+       protected Control createControl(Composite box, String style) {
+               if (isEditing() && getEditable()) {
+                       return createText(box, style, true);
+               } else {
+                       if (useTextAsLabel) {
+                               return createTextLabel(box, style);
+                       } else {
+                               return createLabel(box, style);
+                       }
+               }
+       }
+
+       protected Label createLabel(Composite box, String style) {
+               Label lbl = new Label(box, getStyle() | SWT.WRAP);
+               lbl.setLayoutData(CmsSwtUtils.fillWidth());
+               if (style != null)
+                       CmsSwtUtils.style(lbl, style);
+               CmsSwtUtils.markup(lbl);
+               if (mouseListener != null)
+                       lbl.addMouseListener(mouseListener);
+               return lbl;
+       }
+
+       protected Text createTextLabel(Composite box, String style) {
+               Text lbl = new Text(box, getStyle() | (multiLine ? SWT.MULTI : SWT.SINGLE));
+               lbl.setEditable(false);
+               lbl.setLayoutData(CmsSwtUtils.fillWidth());
+               if (style != null)
+                       CmsSwtUtils.style(lbl, style);
+               CmsSwtUtils.markup(lbl);
+               if (mouseListener != null)
+                       lbl.addMouseListener(mouseListener);
+               return lbl;
+       }
+
+       protected Text createText(Composite box, String style, boolean editable) {
+               highlight = new Composite(box, SWT.NONE);
+               highlight.setBackground(highlightColor);
+               GridData highlightGd = new GridData(SWT.FILL, SWT.FILL, false, false);
+               highlightGd.widthHint = 5;
+               highlightGd.heightHint = 3;
+               highlight.setLayoutData(highlightGd);
+
+               final Text text = new Text(box, getStyle() | (multiLine ? SWT.MULTI : SWT.SINGLE) | SWT.WRAP);
+               text.setEditable(editable);
+               GridData textLayoutData = CmsSwtUtils.fillWidth();
+               // textLayoutData.heightHint = preferredHeight;
+               text.setLayoutData(textLayoutData);
+               if (style != null)
+                       CmsSwtUtils.style(text, style);
+               text.setFocus();
+               return text;
+       }
+
+       @Override
+       protected void clear(boolean deep) {
+               if (highlight != null)
+                       highlight.dispose();
+               super.clear(deep);
+       }
+
+       public void setText(String text) {
+               Control child = getControl();
+               if (child instanceof Label)
+                       ((Label) child).setText(text);
+               else if (child instanceof Text)
+                       ((Text) child).setText(text);
+       }
+
+       public Text getAsText() {
+               return (Text) getControl();
+       }
+
+       public Label getAsLabel() {
+               return (Label) getControl();
+       }
+
+       public String getText() {
+               Control child = getControl();
+
+               if (child instanceof Label)
+                       return ((Label) child).getText();
+               else if (child instanceof Text)
+                       return ((Text) child).getText();
+               else
+                       throw new IllegalStateException("Unsupported control " + child.getClass());
+       }
+
+       /** @deprecated Use {@link #isEditable()} instead. */
+       @Deprecated
+       public boolean getEditable() {
+               return isEditable();
+       }
+
+       public boolean isEditable() {
+               return editable;
+       }
+
+       public void setUseTextAsLabel(boolean useTextAsLabel) {
+               this.useTextAsLabel = useTextAsLabel;
+       }
+
+}