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.util.CmsUiUtils;
   9 import org.argeo.cms.ui.viewers.EditablePart;
  10 import org.argeo.cms.ui.widgets.ContextOverlay;
  11 import org.argeo.cms.ui.widgets.StyledControl;
  12 import org.argeo.entity.Term;
  13 import org.argeo.entity.TermsManager;
  14 import org.argeo.entity.Typology;
  15 import org.eclipse.swt.SWT;
  16 import org.eclipse.swt.graphics.Color;
  17 import org.eclipse.swt.layout.GridData;
  18 import org.eclipse.swt.widgets.Composite;
  19 import org.eclipse.swt.widgets.Control;
  20 import org.eclipse.swt.widgets.Label;
  21 import org.eclipse.swt.widgets.Text;
  22 import org.eclipse.swt.widgets.ToolItem;
  23
  24 /** Common logic between single and mutliple terms editable part. */
  25 public abstract class AbstractTermsPart extends StyledControl implements EditablePart {
  26         private static final long serialVersionUID = -5497097995341927710L;
  27         protected final TermsManager termsManager;
  28         protected final Typology typology;
  29
  30         protected final boolean editable;
  31
  32         private CmsIcon deleteIcon;
  33         private CmsIcon addIcon;
  34         private CmsIcon cancelIcon;
  35
  36         private Color highlightColor;
  37         private Composite highlight;
  38
  39         protected final CmsTheme theme;
  40
  41         public AbstractTermsPart(Composite parent, int style, Item item, TermsManager termsManager, String typology) {
  42                 super(parent, style, item);
  43                 if (item == null)
  44                         throw new IllegalArgumentException("Item cannot be null");
  45                 this.termsManager = termsManager;
  46                 this.typology = termsManager.getTypology(typology);
  47                 this.theme = CmsTheme.getCmsTheme(parent);
  48                 editable = !(SWT.READ_ONLY == (style & SWT.READ_ONLY));
  49                 highlightColor = parent.getDisplay().getSystemColor(SWT.COLOR_GRAY);
  50         }
  51
  52         protected void createHighlight(Composite block) {
  53                 highlight = new Composite(block, SWT.NONE);
  54                 highlight.setBackground(highlightColor);
  55                 GridData highlightGd = new GridData(SWT.FILL, SWT.FILL, false, false);
  56                 highlightGd.widthHint = 5;
  57                 highlightGd.heightHint = 3;
  58                 highlight.setLayoutData(highlightGd);
  59
  60         }
  61
  62         protected String getTermLabel(Term term) {
  63                 if (term instanceof Localized)
  64                         return ((Localized) term).lead();
  65                 else
  66                         return term.getName();
  67
  68         }
  69
  70         protected abstract void refresh(ContextOverlay contextArea, String filter, Text txt);
  71
  72         protected boolean isTermSelectable(Term term) {
  73                 return true;
  74         }
  75
  76         protected void processTermListLabel(Term term, Label label) {
  77
  78         }
  79
  80         protected void setControlLayoutData(Control control) {
  81                 control.setLayoutData(CmsUiUtils.fillAll());
  82         }
  83
  84         protected void setContainerLayoutData(Composite composite) {
  85                 composite.setLayoutData(CmsUiUtils.fillAll());
  86         }
  87
  88         //
  89         // STYLING
  90         //
  91         public void setDeleteIcon(CmsIcon deleteIcon) {
  92                 this.deleteIcon = deleteIcon;
  93         }
  94
  95         public void setAddIcon(CmsIcon addIcon) {
  96                 this.addIcon = addIcon;
  97         }
  98
  99         public void setCancelIcon(CmsIcon cancelIcon) {
 100                 this.cancelIcon = cancelIcon;
 101         }
 102
 103         protected TermsManager getTermsManager() {
 104                 return termsManager;
 105         }
 106
 107         protected void styleDelete(ToolItem deleteItem) {
 108                 if (deleteIcon != null)
 109                         deleteItem.setImage(deleteIcon.getSmallIcon(theme));
 110                 else
 111                         deleteItem.setText("-");
 112         }
 113
 114         protected void styleCancel(ToolItem cancelItem) {
 115                 if (cancelIcon != null)
 116                         cancelItem.setImage(cancelIcon.getSmallIcon(theme));
 117                 else
 118                         cancelItem.setText("X");
 119         }
 120
 121         protected void styleAdd(ToolItem addItem) {
 122                 if (addIcon != null)
 123                         addItem.setImage(addIcon.getSmallIcon(theme));
 124                 else
 125                         addItem.setText("+");
 126         }
 127 }