org.argeo.app.ui/src/org/argeo/app/ui/forms/SingleTermPart.java

   1 package org.argeo.app.ui.forms;
   2
   3 import java.util.List;
   4
   5 import javax.jcr.Item;
   6
   7 import org.argeo.app.api.Term;
   8 import org.argeo.app.api.TermsManager;
   9 import org.argeo.cms.swt.CmsSwtUtils;
  10 import org.argeo.cms.swt.SwtEditablePart;
  11 import org.argeo.cms.swt.MouseDoubleClick;
  12 import org.argeo.cms.swt.MouseDown;
  13 import org.argeo.cms.swt.Selected;
  14 import org.argeo.cms.swt.widgets.ContextOverlay;
  15 import org.argeo.cms.ui.forms.FormStyle;
  16 import org.argeo.jcr.Jcr;
  17 import org.eclipse.swt.SWT;
  18 import org.eclipse.swt.events.FocusEvent;
  19 import org.eclipse.swt.events.FocusListener;
  20 import org.eclipse.swt.layout.GridLayout;
  21 import org.eclipse.swt.widgets.Composite;
  22 import org.eclipse.swt.widgets.Control;
  23 import org.eclipse.swt.widgets.Label;
  24 import org.eclipse.swt.widgets.Text;
  25 import org.eclipse.swt.widgets.ToolBar;
  26 import org.eclipse.swt.widgets.ToolItem;
  27
  28 /** {@link SwtEditablePart} for terms. */
  29 public class SingleTermPart extends AbstractTermsPart {
  30         private static final long serialVersionUID = -4961135649177920808L;
  31
  32         public SingleTermPart(Composite parent, int style, Item item, TermsManager termsManager, String typology) {
  33                 super(parent, style, item, termsManager, typology);
  34         }
  35
  36         @Override
  37         protected Control createControl(Composite box, String style) {
  38                 if (isEditing()) {
  39                         Composite block = new Composite(box, SWT.NONE);
  40                         block.setLayout(CmsSwtUtils.noSpaceGridLayout(3));
  41
  42                         createHighlight(block);
  43
  44                         Text txt = new Text(block, SWT.SINGLE | SWT.BORDER);
  45                         CmsSwtUtils.style(txt, style == null ? FormStyle.propertyText.style() : style);
  46
  47                         ToolBar toolBar = new ToolBar(block, SWT.HORIZONTAL);
  48                         ToolItem deleteItem = new ToolItem(toolBar, SWT.PUSH);
  49                         styleDelete(deleteItem);
  50                         deleteItem.addSelectionListener((Selected) (e) -> {
  51                                 setValue(null);
  52                                 stopEditing();
  53                         });
  54                         ToolItem cancelItem = new ToolItem(toolBar, SWT.PUSH);
  55                         styleCancel(cancelItem);
  56                         cancelItem.addSelectionListener((Selected) (e) -> {
  57                                 stopEditing();
  58                         });
  59
  60                         ContextOverlay contextOverlay = new ContextOverlay(txt, SWT.NONE) {
  61                                 private static final long serialVersionUID = -7980078594405384874L;
  62
  63                                 @Override
  64                                 protected void onHide() {
  65                                         stopEditing();
  66                                 }
  67                         };
  68                         contextOverlay.setLayout(new GridLayout());
  69                         // filter
  70                         txt.addModifyListener((e) -> {
  71                                 String filter = txt.getText().toLowerCase();
  72                                 if ("".equals(filter.trim()))
  73                                         filter = null;
  74                                 refresh(contextOverlay, filter, txt);
  75                         });
  76                         txt.addFocusListener(new FocusListener() {
  77                                 private static final long serialVersionUID = -6024501573409619949L;
  78
  79                                 @Override
  80                                 public void focusLost(FocusEvent event) {
  81 //                                      if (!contextOverlay.isDisposed() && contextOverlay.isShellVisible())
  82 //                                              getDisplay().asyncExec(() -> stopEditing());
  83                                 }
  84
  85                                 @Override
  86                                 public void focusGained(FocusEvent event) {
  87                                         // txt.setText("");
  88                                         if (!contextOverlay.isDisposed() && !contextOverlay.isShellVisible())
  89                                                 refresh(contextOverlay, null, txt);
  90                                 }
  91                         });
  92                         layout(new Control[] { block });
  93                         getDisplay().asyncExec(() -> txt.setFocus());
  94                         return block;
  95                 } else {
  96                         Composite block = new Composite(box, SWT.NONE);
  97                         block.setLayout(CmsSwtUtils.noSpaceGridLayout(2));
  98                         Term currentValue = getValue();
  99                         if (currentValue != null) {
 100                                 Label lbl = new Label(block, SWT.SINGLE);
 101                                 String display = getTermLabel(currentValue);
 102                                 lbl.setText(display);
 103                                 CmsSwtUtils.style(lbl, style == null ? FormStyle.propertyText.style() : style);
 104                                 processTermListLabel(currentValue, lbl);
 105                                 if (isEditable()) {
 106                                         lbl.addMouseListener((MouseDoubleClick) (e) -> {
 107                                                 startEditing();
 108                                         });
 109                                 }
 110                         } else {
 111                                 if (isEditable()) {
 112                                         ToolBar toolBar = new ToolBar(block, SWT.HORIZONTAL);
 113                                         ToolItem addItem = new ToolItem(toolBar, SWT.FLAT);
 114                                         styleAdd(addItem);
 115                                         addItem.addSelectionListener((Selected) (e) -> {
 116                                                 startEditing();
 117                                         });
 118                                 }
 119                         }
 120                         return block;
 121                 }
 122         }
 123
 124         @Override
 125         protected void refresh(ContextOverlay contextArea, String filter, Text txt) {
 126                 CmsSwtUtils.clear(contextArea);
 127                 List<? extends Term> terms = termsManager.listAllTerms(typology.getId());
 128                 terms: for (Term term : terms) {
 129                         String display = getTermLabel(term);
 130                         if (filter != null && !display.toLowerCase().contains(filter))
 131                                 continue terms;
 132                         Label termL = new Label(contextArea, SWT.WRAP);
 133                         termL.setText(display);
 134                         processTermListLabel(term, termL);
 135                         if (isTermSelectable(term))
 136                                 termL.addMouseListener((MouseDown) (e) -> {
 137                                         setValue(term);
 138                                         contextArea.hide();
 139                                         stopEditing();
 140                                 });
 141                 }
 142                 contextArea.show();
 143                 // txt.setFocus();
 144         }
 145
 146         protected Term getValue() {
 147                 String property = typology.getId();
 148                 String id = Jcr.get(getNode(), property);
 149                 Term term = termsManager.getTerm(id);
 150
 151                 return term;
 152         }
 153
 154         protected void setValue(Term value) {
 155                 String property = typology.getId();
 156                 Jcr.set(getNode(), property, value != null ? value.getId() : null);
 157                 Jcr.save(getNode());
 158         }
 159 }