cms/ui/widgets/EditableText.java

   1 package org.argeo.cms.ui.widgets;
   2
   3 import javax.jcr.Item;
   4 import javax.jcr.RepositoryException;
   5
   6 import org.argeo.cms.ui.util.CmsUiUtils;
   7 import org.eclipse.swt.SWT;
   8 import org.eclipse.swt.graphics.Color;
   9 import org.eclipse.swt.layout.GridData;
  10 import org.eclipse.swt.widgets.Composite;
  11 import org.eclipse.swt.widgets.Control;
  12 import org.eclipse.swt.widgets.Label;
  13 import org.eclipse.swt.widgets.Text;
  14
  15 /** Editable text part displaying styled text. */
  16 public class EditableText extends StyledControl {
  17         private static final long serialVersionUID = -6372283442330912755L;
  18
  19         private boolean editable = true;
  20
  21         private Color highlightColor;
  22         private Composite highlight;
  23
  24         private boolean useTextAsLabel = false;
  25
  26         public EditableText(Composite parent, int style) {
  27                 super(parent, style);
  28                 editable = !(SWT.READ_ONLY == (style & SWT.READ_ONLY));
  29                 highlightColor = parent.getDisplay().getSystemColor(SWT.COLOR_GRAY);
  30         }
  31
  32         public EditableText(Composite parent, int style, Item item) throws RepositoryException {
  33                 this(parent, style, item, false);
  34         }
  35
  36         public EditableText(Composite parent, int style, Item item, boolean cacheImmediately) throws RepositoryException {
  37                 super(parent, style, item, cacheImmediately);
  38                 editable = !(SWT.READ_ONLY == (style & SWT.READ_ONLY));
  39                 highlightColor = parent.getDisplay().getSystemColor(SWT.COLOR_GRAY);
  40         }
  41
  42         @Override
  43         protected Control createControl(Composite box, String style) {
  44                 if (isEditing() && getEditable()) {
  45                         return createText(box, style, true);
  46                 } else {
  47                         if (useTextAsLabel) {
  48                                 return createTextLabel(box, style);
  49                         } else {
  50                                 return createLabel(box, style);
  51                         }
  52                 }
  53         }
  54
  55         protected Label createLabel(Composite box, String style) {
  56                 Label lbl = new Label(box, getStyle() | SWT.WRAP);
  57                 lbl.setLayoutData(CmsUiUtils.fillWidth());
  58                 if (style != null)
  59                         CmsUiUtils.style(lbl, style);
  60                 CmsUiUtils.markup(lbl);
  61                 if (mouseListener != null)
  62                         lbl.addMouseListener(mouseListener);
  63                 return lbl;
  64         }
  65
  66         protected Text createTextLabel(Composite box, String style) {
  67                 Text lbl = new Text(box, getStyle() | SWT.MULTI);
  68                 lbl.setEditable(false);
  69                 lbl.setLayoutData(CmsUiUtils.fillWidth());
  70                 if (style != null)
  71                         CmsUiUtils.style(lbl, style);
  72                 CmsUiUtils.markup(lbl);
  73                 if (mouseListener != null)
  74                         lbl.addMouseListener(mouseListener);
  75                 return lbl;
  76         }
  77
  78         protected Text createText(Composite box, String style, boolean editable) {
  79                 highlight = new Composite(box, SWT.NONE);
  80                 highlight.setBackground(highlightColor);
  81                 GridData highlightGd = new GridData(SWT.FILL, SWT.FILL, false, false);
  82                 highlightGd.widthHint = 5;
  83                 highlightGd.heightHint = 3;
  84                 highlight.setLayoutData(highlightGd);
  85
  86                 final Text text = new Text(box, getStyle() | SWT.MULTI | SWT.WRAP);
  87                 text.setEditable(editable);
  88                 GridData textLayoutData = CmsUiUtils.fillWidth();
  89                 // textLayoutData.heightHint = preferredHeight;
  90                 text.setLayoutData(textLayoutData);
  91                 if (style != null)
  92                         CmsUiUtils.style(text, style);
  93                 text.setFocus();
  94                 return text;
  95         }
  96
  97         @Override
  98         protected void clear(boolean deep) {
  99                 if (highlight != null)
 100                         highlight.dispose();
 101                 super.clear(deep);
 102         }
 103
 104         public void setText(String text) {
 105                 Control child = getControl();
 106                 if (child instanceof Label)
 107                         ((Label) child).setText(text);
 108                 else if (child instanceof Text)
 109                         ((Text) child).setText(text);
 110         }
 111
 112         public Text getAsText() {
 113                 return (Text) getControl();
 114         }
 115
 116         public Label getAsLabel() {
 117                 return (Label) getControl();
 118         }
 119
 120         public String getText() {
 121                 Control child = getControl();
 122
 123                 if (child instanceof Label)
 124                         return ((Label) child).getText();
 125                 else if (child instanceof Text)
 126                         return ((Text) child).getText();
 127                 else
 128                         throw new IllegalStateException("Unsupported control " + child.getClass());
 129         }
 130
 131         /** @deprecated Use {@link #isEditable()} instead. */
 132         @Deprecated
 133         public boolean getEditable() {
 134                 return isEditable();
 135         }
 136
 137         public boolean isEditable() {
 138                 return editable;
 139         }
 140
 141         public void setUseTextAsLabel(boolean useTextAsLabel) {
 142                 this.useTextAsLabel = useTextAsLabel;
 143         }
 144
 145 }