org/argeo/entity/ui/forms/MultiTermsPart.java

   1 package org.argeo.entity.ui.forms;
   2
   3 import java.util.ArrayList;
   4 import java.util.List;
   5
   6 import javax.jcr.Item;
   7
   8 import org.argeo.cms.ui.forms.FormStyle;
   9 import org.argeo.cms.ui.util.CmsUiUtils;
  10 import org.argeo.cms.ui.viewers.EditablePart;
  11 import org.argeo.cms.ui.widgets.ContextOverlay;
  12 import org.argeo.eclipse.ui.MouseDoubleClick;
  13 import org.argeo.eclipse.ui.MouseDown;
  14 import org.argeo.eclipse.ui.Selected;
  15 import org.argeo.entity.Term;
  16 import org.argeo.entity.TermsManager;
  17 import org.argeo.jcr.Jcr;
  18 import org.eclipse.swt.SWT;
  19 import org.eclipse.swt.events.FocusEvent;
  20 import org.eclipse.swt.events.FocusListener;
  21 import org.eclipse.swt.layout.FillLayout;
  22 import org.eclipse.swt.layout.GridLayout;
  23 import org.eclipse.swt.layout.RowLayout;
  24 import org.eclipse.swt.widgets.Composite;
  25 import org.eclipse.swt.widgets.Control;
  26 import org.eclipse.swt.widgets.Label;
  27 import org.eclipse.swt.widgets.Text;
  28 import org.eclipse.swt.widgets.ToolBar;
  29 import org.eclipse.swt.widgets.ToolItem;
  30
  31 /** {@link EditablePart} for multiple terms. */
  32 public class MultiTermsPart extends AbstractTermsPart {
  33         private static final long serialVersionUID = -4961135649177920808L;
  34
  35         public MultiTermsPart(Composite parent, int style, Item item, TermsManager termsManager, String typology) {
  36                 super(parent, style, item, termsManager, typology);
  37         }
  38
  39         @Override
  40         protected Control createControl(Composite box, String style) {
  41                 Composite placeholder = new Composite(box, SWT.NONE);
  42                 RowLayout rl = new RowLayout(SWT.HORIZONTAL);
  43                 rl.wrap = true;
  44                 placeholder.setLayout(rl);
  45                 List<Term> currentValue = getValue();
  46                 if (currentValue != null && !currentValue.isEmpty())
  47                         for (Term value : currentValue) {
  48                                 Composite block = new Composite(placeholder, SWT.NONE);
  49                                 block.setLayout(CmsUiUtils.noSpaceGridLayout(3));
  50                                 Label lbl = new Label(block, SWT.SINGLE);
  51                                 String display = getTermLabel(value);
  52                                 lbl.setText(display);
  53                                 CmsUiUtils.style(lbl, style == null ? FormStyle.propertyText.style() : style);
  54                                 if (editable)
  55                                         lbl.addMouseListener((MouseDoubleClick) (e) -> {
  56                                                 startEditing();
  57                                         });
  58                                 if (isEditing()) {
  59                                         ToolBar toolBar = new ToolBar(block, SWT.HORIZONTAL);
  60                                         ToolItem deleteItem = new ToolItem(toolBar, SWT.FLAT);
  61                                         styleDelete(deleteItem);
  62                                         deleteItem.addSelectionListener((Selected) (e) -> {
  63                                                 // we retrieve them again here because they may have changed
  64                                                 List<Term> curr = getValue();
  65                                                 List<Term> newValue = new ArrayList<>();
  66                                                 for (Term v : curr) {
  67                                                         if (!v.equals(value))
  68                                                                 newValue.add(v);
  69                                                 }
  70                                                 setValue(newValue);
  71                                                 block.dispose();
  72                                                 layout(true, true);
  73                                         });
  74
  75                                 }
  76                         }
  77                 else {// empty
  78                         if (editable && !isEditing()) {
  79                                 ToolBar toolBar = new ToolBar(placeholder, SWT.HORIZONTAL);
  80                                 ToolItem addItem = new ToolItem(toolBar, SWT.FLAT);
  81                                 styleAdd(addItem);
  82                                 addItem.addSelectionListener((Selected) (e) -> {
  83                                         startEditing();
  84                                 });
  85                         }
  86                 }
  87
  88                 if (isEditing()) {
  89                         Composite block = new Composite(placeholder, SWT.NONE);
  90                         block.setLayout(CmsUiUtils.noSpaceGridLayout(3));
  91
  92                         createHighlight(block);
  93
  94                         Text txt = new Text(block, SWT.SINGLE | SWT.BORDER);
  95                         txt.setLayoutData(CmsUiUtils.fillWidth());
  96 //                      txt.setMessage("[new]");
  97
  98                         CmsUiUtils.style(txt, style == null ? FormStyle.propertyText.style() : style);
  99
 100                         ToolBar toolBar = new ToolBar(block, SWT.HORIZONTAL);
 101                         ToolItem cancelItem = new ToolItem(toolBar, SWT.FLAT);
 102                         styleCancel(cancelItem);
 103                         cancelItem.addSelectionListener((Selected) (e) -> {
 104                                 stopEditing();
 105                         });
 106
 107                         ContextOverlay contextOverlay = new ContextOverlay(txt, SWT.NONE) {
 108                                 private static final long serialVersionUID = -7980078594405384874L;
 109
 110                                 @Override
 111                                 protected void onHide() {
 112                                         stopEditing();
 113                                 }
 114                         };
 115                         contextOverlay.setLayout(new GridLayout());
 116                         // filter
 117                         txt.addModifyListener((e) -> {
 118                                 String filter = txt.getText().toLowerCase();
 119                                 if ("".equals(filter.trim()))
 120                                         filter = null;
 121                                 refresh(contextOverlay, filter, txt);
 122                         });
 123                         txt.addFocusListener(new FocusListener() {
 124                                 private static final long serialVersionUID = -6024501573409619949L;
 125
 126                                 @Override
 127                                 public void focusLost(FocusEvent event) {
 128 //                                      if (!contextOverlay.isDisposed() && contextOverlay.isShellVisible())
 129 //                                              getDisplay().asyncExec(() -> stopEditing());
 130                                 }
 131
 132                                 @Override
 133                                 public void focusGained(FocusEvent event) {
 134                                         // txt.setText("");
 135                                         if (!contextOverlay.isDisposed() && !contextOverlay.isShellVisible())
 136                                                 refresh(contextOverlay, null, txt);
 137                                 }
 138                         });
 139                         layout(new Control[] { txt });
 140                         // getDisplay().asyncExec(() -> txt.setFocus());
 141                 }
 142                 return placeholder;
 143         }
 144
 145         @Override
 146         protected void refresh(ContextOverlay contextArea, String filter, Text txt) {
 147                 CmsUiUtils.clear(contextArea);
 148                 List<? extends Term> terms = termsManager.listAllTerms(typology.getId());
 149                 List<Term> currentValue = getValue();
 150                 terms: for (Term term : terms) {
 151                         if (currentValue != null && currentValue.contains(term))
 152                                 continue terms;
 153                         String display = getTermLabel(term);
 154                         if (filter != null && !display.toLowerCase().contains(filter))
 155                                 continue terms;
 156                         Label termL = new Label(contextArea, SWT.WRAP);
 157                         termL.setText(display);
 158                         processTermListLabel(term, termL);
 159                         if (isTermSelectable(term))
 160                                 termL.addMouseListener((MouseDown) (e) -> {
 161                                         List<Term> newValue = new ArrayList<>();
 162                                         List<Term> curr = getValue();
 163                                         if (currentValue != null)
 164                                                 newValue.addAll(curr);
 165                                         newValue.add(term);
 166                                         setValue(newValue);
 167                                         contextArea.hide();
 168                                         stopEditing();
 169                                 });
 170                 }
 171                 contextArea.show();
 172         }
 173
 174         protected List<Term> getValue() {
 175                 String property = typology.getId();
 176                 List<String> curr = Jcr.getMultiple(getNode(), property);
 177                 List<Term> res = new ArrayList<>();
 178                 if (curr != null)
 179                         for (String str : curr) {
 180                                 Term term = termsManager.getTerm(str);
 181                                 res.add(term);
 182                         }
 183                 return res;
 184         }
 185
 186         protected void setValue(List<Term> value) {
 187                 String property = typology.getId();
 188                 List<String> ids = new ArrayList<>();
 189                 for (Term term : value) {
 190                         ids.add(term.getId());
 191                 }
 192                 Jcr.set(getNode(), property, ids);
 193                 Jcr.save(getNode());
 194         }
 195
 196 }