publishing/org.argeo.publishing.ui/src/org/argeo/cms/text/TextEditorHeader.java

   1 package org.argeo.cms.text;
   2
   3 import java.util.Observable;
   4 import java.util.Observer;
   5
   6 import org.argeo.cms.ui.CmsEditable;
   7 import org.argeo.cms.ui.util.CmsUiUtils;
   8 import org.argeo.cms.ui.widgets.TextStyles;
   9 import org.eclipse.swt.SWT;
  10 import org.eclipse.swt.events.SelectionEvent;
  11 import org.eclipse.swt.events.SelectionListener;
  12 import org.eclipse.swt.widgets.Button;
  13 import org.eclipse.swt.widgets.Composite;
  14
  15 /** Adds editing capabilities to a page editing text */
  16 public class TextEditorHeader implements SelectionListener, Observer {
  17         private static final long serialVersionUID = 4186756396045701253L;
  18
  19         private final CmsEditable cmsEditable;
  20         private Button publish;
  21
  22         private Composite parent;
  23         private Composite display;
  24         private Object layoutData;
  25
  26         public TextEditorHeader(CmsEditable cmsEditable, Composite parent, int style) {
  27                 this.cmsEditable = cmsEditable;
  28                 this.parent = parent;
  29                 if (this.cmsEditable instanceof Observable)
  30                         ((Observable) this.cmsEditable).addObserver(this);
  31                 refresh();
  32         }
  33
  34         protected void refresh() {
  35                 if (display != null && !display.isDisposed())
  36                         display.dispose();
  37                 display = null;
  38                 publish = null;
  39                 if (cmsEditable.isEditing()) {
  40                         display = new Composite(parent, SWT.NONE);
  41                         // display.setBackgroundMode(SWT.INHERIT_NONE);
  42                         display.setLayoutData(layoutData);
  43                         display.setLayout(CmsUiUtils.noSpaceGridLayout());
  44                         CmsUiUtils.style(display, TextStyles.TEXT_EDITOR_HEADER);
  45                         publish = new Button(display, SWT.FLAT | SWT.PUSH);
  46                         publish.setText(getPublishButtonLabel());
  47                         CmsUiUtils.style(publish, TextStyles.TEXT_EDITOR_HEADER);
  48                         publish.addSelectionListener(this);
  49                         display.moveAbove(null);
  50                 }
  51                 parent.layout();
  52         }
  53
  54         private String getPublishButtonLabel() {
  55                 if (cmsEditable.isEditing())
  56                         return "Publish";
  57                 else
  58                         return "Edit";
  59         }
  60
  61         @Override
  62         public void widgetSelected(SelectionEvent e) {
  63                 if (e.getSource() == publish) {
  64                         if (cmsEditable.isEditing()) {
  65                                 cmsEditable.stopEditing();
  66                         } else {
  67                                 cmsEditable.startEditing();
  68                         }
  69                         // publish.setText(getPublishButtonLabel());
  70                 }
  71         }
  72
  73         @Override
  74         public void widgetDefaultSelected(SelectionEvent e) {
  75         }
  76
  77         @Override
  78         public void update(Observable o, Object arg) {
  79                 if (o == cmsEditable) {
  80                         // publish.setText(getPublishButtonLabel());
  81                         refresh();
  82                 }
  83         }
  84
  85         public void setLayoutData(Object layoutData) {
  86                 this.layoutData = layoutData;
  87                 if (display != null && !display.isDisposed())
  88                         display.setLayoutData(layoutData);
  89         }
  90
  91 }