core/org.argeo.entity.ui/src/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.apache.commons.logging.Log;
   9 import org.apache.commons.logging.LogFactory;
  10 import org.argeo.cms.ui.forms.FormStyle;
  11 import org.argeo.cms.ui.util.CmsUiUtils;
  12 import org.argeo.cms.ui.viewers.EditablePart;
  13 import org.argeo.cms.ui.widgets.ContextOverlay;
  14 import org.argeo.eclipse.ui.MouseDoubleClick;
  15 import org.argeo.eclipse.ui.MouseDown;
  16 import org.argeo.eclipse.ui.Selected;
  17 import org.argeo.entity.Term;
  18 import org.argeo.entity.TermsManager;
  19 import org.argeo.jcr.Jcr;
  20 import org.eclipse.swt.SWT;
  21 import org.eclipse.swt.events.FocusEvent;
  22 import org.eclipse.swt.events.FocusListener;
  23 import org.eclipse.swt.layout.GridLayout;
  24 import org.eclipse.swt.layout.RowLayout;
  25 import org.eclipse.swt.widgets.Composite;
  26 import org.eclipse.swt.widgets.Control;
  27 import org.eclipse.swt.widgets.Label;
  28 import org.eclipse.swt.widgets.Text;
  29 import org.eclipse.swt.widgets.ToolBar;
  30 import org.eclipse.swt.widgets.ToolItem;
  31
  32 /** {@link EditablePart} for multiple terms. */
  33 public class MultiTermsPart extends AbstractTermsPart {
  34         private static final long serialVersionUID = -4961135649177920808L;
  35         private final static Log log = LogFactory.getLog(MultiTermsPart.class);
  36
  37         public MultiTermsPart(Composite parent, int style, Item item, TermsManager termsManager, String typology) {
  38                 super(parent, style, item, termsManager, typology);
  39         }
  40
  41         @Override
  42         protected Control createControl(Composite box, String style) {
  43                 Composite placeholder = new Composite(box, SWT.NONE);
  44
  45                 boolean vertical = SWT.VERTICAL == (getStyle() & SWT.VERTICAL);
  46                 RowLayout rl = new RowLayout(vertical ? SWT.VERTICAL : SWT.HORIZONTAL);
  47                 rl.wrap = true;
  48                 placeholder.setLayout(rl);
  49                 List<Term> currentValue = getValue();
  50                 if (currentValue != null && !currentValue.isEmpty())
  51                         for (Term value : currentValue) {
  52                                 Composite block = new Composite(placeholder, SWT.NONE);
  53                                 block.setLayout(CmsUiUtils.noSpaceGridLayout(3));
  54                                 Label lbl = new Label(block, SWT.SINGLE);
  55                                 String display = getTermLabel(value);
  56                                 lbl.setText(display);
  57                                 CmsUiUtils.style(lbl, style == null ? FormStyle.propertyText.style() : style);
  58                                 if (editable)
  59                                         lbl.addMouseListener((MouseDoubleClick) (e) -> {
  60                                                 startEditing();
  61                                         });
  62                                 if (isEditing()) {
  63                                         ToolBar toolBar = new ToolBar(block, SWT.HORIZONTAL);
  64                                         ToolItem deleteItem = new ToolItem(toolBar, SWT.FLAT);
  65                                         styleDelete(deleteItem);
  66                                         deleteItem.addSelectionListener((Selected) (e) -> {
  67                                                 // we retrieve them again here because they may have changed
  68                                                 List<Term> curr = getValue();
  69                                                 List<Term> newValue = new ArrayList<>();
  70                                                 for (Term v : curr) {
  71                                                         if (!v.equals(value))
  72                                                                 newValue.add(v);
  73                                                 }
  74                                                 setValue(newValue);
  75                                                 block.dispose();
  76                                                 layout(true, true);
  77                                         });
  78
  79                                 }
  80                         }
  81                 else {// empty
  82                         if (editable && !isEditing()) {
  83                                 ToolBar toolBar = new ToolBar(placeholder, SWT.HORIZONTAL);
  84                                 ToolItem addItem = new ToolItem(toolBar, SWT.FLAT);
  85                                 styleAdd(addItem);
  86                                 addItem.addSelectionListener((Selected) (e) -> {
  87                                         startEditing();
  88                                 });
  89                         }
  90                 }
  91
  92                 if (isEditing()) {
  93                         Composite block = new Composite(placeholder, SWT.NONE);
  94                         block.setLayout(CmsUiUtils.noSpaceGridLayout(3));
  95
  96                         createHighlight(block);
  97
  98                         Text txt = new Text(block, SWT.SINGLE | SWT.BORDER);
  99                         txt.setLayoutData(CmsUiUtils.fillWidth());
 100 //                      txt.setMessage("[new]");
 101
 102                         CmsUiUtils.style(txt, style == null ? FormStyle.propertyText.style() : style);
 103
 104                         ToolBar toolBar = new ToolBar(block, SWT.HORIZONTAL);
 105                         ToolItem cancelItem = new ToolItem(toolBar, SWT.FLAT);
 106                         styleCancel(cancelItem);
 107                         cancelItem.addSelectionListener((Selected) (e) -> {
 108                                 stopEditing();
 109                         });
 110
 111                         ContextOverlay contextOverlay = new ContextOverlay(txt, SWT.NONE) {
 112                                 private static final long serialVersionUID = -7980078594405384874L;
 113
 114                                 @Override
 115                                 protected void onHide() {
 116                                         stopEditing();
 117                                 }
 118                         };
 119                         contextOverlay.setLayout(new GridLayout());
 120                         // filter
 121                         txt.addModifyListener((e) -> {
 122                                 String filter = txt.getText().toLowerCase();
 123                                 if ("".equals(filter.trim()))
 124                                         filter = null;
 125                                 refresh(contextOverlay, filter, txt);
 126                         });
 127                         txt.addFocusListener(new FocusListener() {
 128                                 private static final long serialVersionUID = -6024501573409619949L;
 129
 130                                 @Override
 131                                 public void focusLost(FocusEvent event) {
 132 //                                      if (!contextOverlay.isDisposed() && contextOverlay.isShellVisible())
 133 //                                              getDisplay().asyncExec(() -> stopEditing());
 134                                 }
 135
 136                                 @Override
 137                                 public void focusGained(FocusEvent event) {
 138                                         // txt.setText("");
 139                                         if (!contextOverlay.isDisposed() && !contextOverlay.isShellVisible())
 140                                                 refresh(contextOverlay, null, txt);
 141                                 }
 142                         });
 143                         layout(new Control[] { txt });
 144                         // getDisplay().asyncExec(() -> txt.setFocus());
 145                 }
 146                 return placeholder;
 147         }
 148
 149         @Override
 150         protected void refresh(ContextOverlay contextArea, String filter, Text txt) {
 151                 CmsUiUtils.clear(contextArea);
 152                 List<? extends Term> terms = termsManager.listAllTerms(typology.getId());
 153                 List<Term> currentValue = getValue();
 154                 terms: for (Term term : terms) {
 155                         if (currentValue != null && currentValue.contains(term))
 156                                 continue terms;
 157                         String display = getTermLabel(term);
 158                         if (filter != null && !display.toLowerCase().contains(filter))
 159                                 continue terms;
 160                         Label termL = new Label(contextArea, SWT.WRAP);
 161                         termL.setText(display);
 162                         processTermListLabel(term, termL);
 163                         if (isTermSelectable(term))
 164                                 termL.addMouseListener((MouseDown) (e) -> {
 165                                         List<Term> newValue = new ArrayList<>();
 166                                         List<Term> curr = getValue();
 167                                         if (currentValue != null)
 168                                                 newValue.addAll(curr);
 169                                         newValue.add(term);
 170                                         setValue(newValue);
 171                                         contextArea.hide();
 172                                         stopEditing();
 173                                 });
 174                 }
 175                 contextArea.show();
 176         }
 177
 178         protected List<Term> getValue() {
 179                 String property = typology.getId();
 180                 List<String> curr = Jcr.getMultiple(getNode(), property);
 181                 List<Term> res = new ArrayList<>();
 182                 if (curr != null)
 183                         terms: for (String str : curr) {
 184                                 Term term = termsManager.getTerm(str);
 185                                 if (term == null) {
 186                                         log.warn("Ignoring term " + str + " as it was not found.");
 187                                         continue terms;
 188                                 }
 189                                 res.add(term);
 190                         }
 191                 return res;
 192         }
 193
 194         protected void setValue(List<Term> value) {
 195                 String property = typology.getId();
 196                 List<String> ids = new ArrayList<>();
 197                 for (Term term : value) {
 198                         ids.add(term.getId());
 199                 }
 200                 Jcr.set(getNode(), property, ids);
 201                 Jcr.save(getNode());
 202         }
 203
 204 }