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

   1 package org.argeo.app.ui.forms;
   2
   3 import java.util.ArrayList;
   4 import java.util.List;
   5
   6 import javax.jcr.Item;
   7
   8 import org.argeo.api.cms.CmsLog;
   9 import org.argeo.app.api.Term;
  10 import org.argeo.app.api.TermsManager;
  11 import org.argeo.cms.swt.CmsSwtUtils;
  12 import org.argeo.cms.swt.SwtEditablePart;
  13 import org.argeo.cms.swt.MouseDoubleClick;
  14 import org.argeo.cms.swt.MouseDown;
  15 import org.argeo.cms.swt.Selected;
  16 import org.argeo.cms.swt.widgets.ContextOverlay;
  17 import org.argeo.cms.ui.forms.FormStyle;
  18 import org.argeo.jcr.Jcr;
  19 import org.eclipse.swt.SWT;
  20 import org.eclipse.swt.events.FocusEvent;
  21 import org.eclipse.swt.events.FocusListener;
  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 SwtEditablePart} for multiple terms. */
  32 public class MultiTermsPart extends AbstractTermsPart {
  33         private static final long serialVersionUID = -4961135649177920808L;
  34         private final static CmsLog log = CmsLog.getLog(MultiTermsPart.class);
  35
  36         public MultiTermsPart(Composite parent, int style, Item item, TermsManager termsManager, String typology) {
  37                 super(parent, style, item, termsManager, typology);
  38         }
  39
  40         @Override
  41         protected Control createControl(Composite box, String style) {
  42                 Composite placeholder = new Composite(box, SWT.NONE);
  43
  44                 boolean vertical = SWT.VERTICAL == (getStyle() & SWT.VERTICAL);
  45                 RowLayout rl = new RowLayout(vertical ? SWT.VERTICAL : SWT.HORIZONTAL);
  46                 rl = CmsSwtUtils.noMarginsRowLayout(rl);
  47 //              rl.wrap = true;
  48 //              rl.justify = true;
  49                 placeholder.setLayout(rl);
  50                 List<Term> currentValue = getValue();
  51                 if (currentValue != null && !currentValue.isEmpty()) {
  52                         for (Term value : currentValue) {
  53                                 Composite block = new Composite(placeholder, SWT.NONE);
  54                                 block.setLayout(CmsSwtUtils.noSpaceGridLayout(3));
  55                                 Label lbl = new Label(block, SWT.NONE);
  56                                 String display = getTermLabel(value);
  57                                 lbl.setText(display);
  58                                 CmsSwtUtils.style(lbl, style == null ? FormStyle.propertyText.style() : style);
  59                                 processTermListLabel(value, lbl);
  60                                 if (isEditable())
  61                                         lbl.addMouseListener((MouseDoubleClick) (e) -> {
  62                                                 startEditing();
  63                                         });
  64                                 if (isEditing()) {
  65                                         ToolBar toolBar = new ToolBar(block, SWT.HORIZONTAL);
  66                                         ToolItem deleteItem = new ToolItem(toolBar, SWT.FLAT);
  67                                         styleDelete(deleteItem);
  68                                         deleteItem.addSelectionListener((Selected) (e) -> {
  69                                                 // we retrieve them again here because they may have changed
  70                                                 List<Term> curr = getValue();
  71                                                 List<Term> newValue = new ArrayList<>();
  72                                                 for (Term v : curr) {
  73                                                         if (!v.equals(value))
  74                                                                 newValue.add(v);
  75                                                 }
  76                                                 setValue(newValue);
  77                                                 block.dispose();
  78                                                 layout(true, true);
  79                                         });
  80
  81                                 }
  82                         }
  83                 } else {// empty
  84                         if (isEditable() && !isEditing()) {
  85                                 ToolBar toolBar = new ToolBar(placeholder, SWT.HORIZONTAL);
  86                                 ToolItem addItem = new ToolItem(toolBar, SWT.FLAT);
  87                                 styleAdd(addItem);
  88                                 addItem.addSelectionListener((Selected) (e) -> {
  89                                         startEditing();
  90                                 });
  91                         }
  92                 }
  93
  94                 if (isEditing()) {
  95                         Composite block = new Composite(placeholder, SWT.NONE);
  96                         block.setLayout(CmsSwtUtils.noSpaceGridLayout(3));
  97
  98                         createHighlight(block);
  99
 100                         Text txt = new Text(block, SWT.SINGLE | SWT.BORDER);
 101                         txt.setLayoutData(CmsSwtUtils.fillWidth());
 102 //                      txt.setMessage("[new]");
 103
 104                         CmsSwtUtils.style(txt, style == null ? FormStyle.propertyText.style() : style);
 105
 106                         ToolBar toolBar = new ToolBar(block, SWT.HORIZONTAL);
 107                         ToolItem cancelItem = new ToolItem(toolBar, SWT.FLAT);
 108                         styleCancel(cancelItem);
 109                         cancelItem.addSelectionListener((Selected) (e) -> {
 110                                 stopEditing();
 111                         });
 112
 113                         ContextOverlay contextOverlay = new ContextOverlay(txt, SWT.NONE) {
 114                                 private static final long serialVersionUID = -7980078594405384874L;
 115
 116                                 @Override
 117                                 protected void onHide() {
 118                                         stopEditing();
 119                                 }
 120                         };
 121                         contextOverlay.setLayout(new GridLayout());
 122                         // filter
 123                         txt.addModifyListener((e) -> {
 124                                 String filter = txt.getText().toLowerCase();
 125                                 if ("".equals(filter.trim()))
 126                                         filter = null;
 127                                 refresh(contextOverlay, filter, txt);
 128                         });
 129                         txt.addFocusListener(new FocusListener() {
 130                                 private static final long serialVersionUID = -6024501573409619949L;
 131
 132                                 @Override
 133                                 public void focusLost(FocusEvent event) {
 134 //                                      if (!contextOverlay.isDisposed() && contextOverlay.isShellVisible())
 135 //                                              getDisplay().asyncExec(() -> stopEditing());
 136                                 }
 137
 138                                 @Override
 139                                 public void focusGained(FocusEvent event) {
 140                                         // txt.setText("");
 141                                         if (!contextOverlay.isDisposed() && !contextOverlay.isShellVisible())
 142                                                 refresh(contextOverlay, null, txt);
 143                                 }
 144                         });
 145                         layout(new Control[] { txt });
 146                         // getDisplay().asyncExec(() -> txt.setFocus());
 147                 }
 148                 return placeholder;
 149         }
 150
 151         @Override
 152         protected void refresh(ContextOverlay contextArea, String filter, Text txt) {
 153                 CmsSwtUtils.clear(contextArea);
 154                 List<? extends Term> terms = termsManager.listAllTerms(typology.getId());
 155                 List<Term> currentValue = getValue();
 156                 terms: for (Term term : terms) {
 157                         if (currentValue != null && currentValue.contains(term))
 158                                 continue terms;
 159                         String display = getTermLabel(term);
 160                         if (filter != null && !display.toLowerCase().contains(filter))
 161                                 continue terms;
 162                         Label termL = new Label(contextArea, SWT.WRAP);
 163                         termL.setText(display);
 164                         processTermListLabel(term, termL);
 165                         if (isTermSelectable(term))
 166                                 termL.addMouseListener((MouseDown) (e) -> {
 167                                         List<Term> newValue = new ArrayList<>();
 168                                         List<Term> curr = getValue();
 169                                         if (currentValue != null)
 170                                                 newValue.addAll(curr);
 171                                         newValue.add(term);
 172                                         setValue(newValue);
 173                                         contextArea.hide();
 174                                         stopEditing();
 175                                 });
 176                 }
 177                 contextArea.show();
 178         }
 179
 180         protected List<Term> getValue() {
 181                 String property = typology.getId();
 182                 List<String> curr = Jcr.getMultiple(getNode(), property);
 183                 List<Term> res = new ArrayList<>();
 184                 if (curr != null)
 185                         terms: for (String str : curr) {
 186                                 Term term = termsManager.getTerm(str);
 187                                 if (term == null) {
 188                                         log.warn("Ignoring term " + str + " for " + getNode() + ", as it was not found.");
 189                                         continue terms;
 190                                 }
 191                                 res.add(term);
 192                         }
 193                 return res;
 194         }
 195
 196         protected void setValue(List<Term> value) {
 197                 String property = typology.getId();
 198                 List<String> ids = new ArrayList<>();
 199                 for (Term term : value) {
 200                         ids.add(term.getId());
 201                 }
 202                 Jcr.set(getNode(), property, ids);
 203                 Jcr.save(getNode());
 204         }
 205
 206 }