core/org.argeo.entity.ui/src/org/argeo/entity/ui/forms/AbstractTermsPart.java

   1 package org.argeo.entity.ui.forms;
   2
   3 import javax.jcr.Item;
   4
   5 import org.argeo.cms.Localized;
   6 import org.argeo.cms.ui.CmsTheme;
   7 import org.argeo.cms.ui.util.CmsIcon;
   8 import org.argeo.cms.ui.viewers.EditablePart;
   9 import org.argeo.cms.ui.widgets.ContextOverlay;
  10 import org.argeo.cms.ui.widgets.StyledControl;
  11 import org.argeo.entity.Term;
  12 import org.argeo.entity.TermsManager;
  13 import org.argeo.entity.Typology;
  14 import org.eclipse.swt.SWT;
  15 import org.eclipse.swt.graphics.Color;
  16 import org.eclipse.swt.layout.GridData;
  17 import org.eclipse.swt.widgets.Composite;
  18 import org.eclipse.swt.widgets.Label;
  19 import org.eclipse.swt.widgets.Text;
  20 import org.eclipse.swt.widgets.ToolItem;
  21
  22 /** Common logic between single and mutliple terms editable part. */
  23 public abstract class AbstractTermsPart extends StyledControl implements EditablePart {
  24         private static final long serialVersionUID = -5497097995341927710L;
  25         protected final TermsManager termsManager;
  26         protected final Typology typology;
  27
  28         protected final boolean editable;
  29
  30         private CmsIcon deleteIcon;
  31         private CmsIcon addIcon;
  32         private CmsIcon cancelIcon;
  33
  34         private Color highlightColor;
  35         private Composite highlight;
  36
  37         protected final CmsTheme theme;
  38
  39         public AbstractTermsPart(Composite parent, int style, Item item, TermsManager termsManager, String typology) {
  40                 super(parent, style, item);
  41                 if (item == null)
  42                         throw new IllegalArgumentException("Item cannot be null");
  43                 this.termsManager = termsManager;
  44                 this.typology = termsManager.getTypology(typology);
  45                 this.theme = CmsTheme.getCmsTheme(parent);
  46                 editable = !(SWT.READ_ONLY == (style & SWT.READ_ONLY));
  47                 highlightColor = parent.getDisplay().getSystemColor(SWT.COLOR_GRAY);
  48         }
  49
  50         protected void createHighlight(Composite block) {
  51                 highlight = new Composite(block, SWT.NONE);
  52                 highlight.setBackground(highlightColor);
  53                 GridData highlightGd = new GridData(SWT.FILL, SWT.FILL, false, false);
  54                 highlightGd.widthHint = 5;
  55                 highlightGd.heightHint = 3;
  56                 highlight.setLayoutData(highlightGd);
  57
  58         }
  59
  60         protected String getTermLabel(Term term) {
  61                 if (term instanceof Localized)
  62                         return ((Localized) term).lead();
  63                 else
  64                         return term.getName();
  65
  66         }
  67
  68         protected abstract void refresh(ContextOverlay contextArea, String filter, Text txt);
  69
  70         protected boolean isTermSelectable(Term term) {
  71                 return true;
  72         }
  73
  74         protected void processTermListLabel(Term term, Label label) {
  75
  76         }
  77
  78         //
  79         // STYLING
  80         //
  81         public void setDeleteIcon(CmsIcon deleteIcon) {
  82                 this.deleteIcon = deleteIcon;
  83         }
  84
  85         public void setAddIcon(CmsIcon addIcon) {
  86                 this.addIcon = addIcon;
  87         }
  88
  89         public void setCancelIcon(CmsIcon cancelIcon) {
  90                 this.cancelIcon = cancelIcon;
  91         }
  92
  93         protected TermsManager getTermsManager() {
  94                 return termsManager;
  95         }
  96
  97         protected void styleDelete(ToolItem deleteItem) {
  98                 if (deleteIcon != null)
  99                         deleteItem.setImage(deleteIcon.getSmallIcon(theme));
 100                 else
 101                         deleteItem.setText("-");
 102         }
 103
 104         protected void styleCancel(ToolItem cancelItem) {
 105                 if (cancelIcon != null)
 106                         cancelItem.setImage(cancelIcon.getSmallIcon(theme));
 107                 else
 108                         cancelItem.setText("X");
 109         }
 110
 111         protected void styleAdd(ToolItem addItem) {
 112                 if (addIcon != null)
 113                         addItem.setImage(addIcon.getSmallIcon(theme));
 114                 else
 115                         addItem.setText("+");
 116         }
 117 }