Examples of org.eclipse.ui.views.properties.IPropertySheetEntry

org.eclipse.ui.views.properties.IPropertySheetEntry

      if (selection != null && !selection.isEmpty() && selection instanceof IStructuredSelection) {
        IPropertySource source = getConfiguration().getPropertySourceProvider(this).getPropertySource(((IStructuredSelection) selection).getFirstElement());
        if (source != null && source instanceof IPropertySourceExtension) {
          for (int i = 0; i < entries.length; i++) {
            if (entries[i] instanceof IPropertySheetEntry) {
              IPropertySheetEntry entry = (IPropertySheetEntry) entries[i];
              needsRefresh = true;
              ((IPropertySourceExtension) source).removeProperty(entry.getDisplayName());
            }
          }
        }
      }
      if (needsRefresh) {

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      return null;
    if (element instanceof IPropertySheetEntry) {
      return ((IPropertySheetEntry) element).getImage();
    }
    if (element instanceof INodeNotifier) {
      IPropertySheetEntry entry = (IPropertySheetEntry) ((INodeNotifier) element).getAdapterFor(IPropertySheetEntry.class);
      if (entry != null)
        return entry.getImage();
    }
    return super.getImage(element);
  }

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      return null;
    if (element instanceof IPropertySheetEntry) {
      return ((IPropertySheetEntry) element).getValueAsString();
    }
    if (element instanceof INodeNotifier) {
      IPropertySheetEntry entry = (IPropertySheetEntry) ((INodeNotifier) element).getAdapterFor(IPropertySheetEntry.class);
      if (entry != null)
        return entry.getValueAsString();
    }
    return super.getText(element);
  }

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    public void activateCellEditor(TreeItem item) {
        // ensure the cell editor is visible
        tree.showSelection();


        // Get the entry for this item
        IPropertySheetEntry activeEntry = (IPropertySheetEntry) item.getData();


        // Get the cell editor for the entry.
        // Note that the editor parent must be the Tree control
        cellEditor = activeEntry.getEditor(tree);


        if (cellEditor == null) {
      // unable to create the editor
            return;
    }

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        TreeItem treeItem = treeEditor.getItem();
        // treeItem can be null when view is opened
        if (treeItem == null || treeItem.isDisposed()) {
      return;
    }
        IPropertySheetEntry entry = (IPropertySheetEntry) treeItem.getData();
        entry.applyEditorValue();
    }

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     *  (element type <code>IPropertySheetEntry</code> or 
     *  <code>PropertySheetCategory</code>)
     */
    private List getChildren(Object node) {
        // cast the entry or category
        IPropertySheetEntry entry = null;
        PropertySheetCategory category = null;
        if (node instanceof IPropertySheetEntry) {
      entry = (IPropertySheetEntry) node;
    } else {
      category = (PropertySheetCategory) node;

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    }


        // check each entry for the filter
        List filteredEntries = new ArrayList(entries.length);
        for (int i = 0; i < entries.length; i++) {
            IPropertySheetEntry entry = entries[i];
            if (entry != null) {
                String[] filters = entry.getFilters();
                boolean expert = false;
                if (filters != null) {
                    for (int j = 0; j < filters.length; j++) {
                        if (filters[j].equals(IPropertySheetEntry.FILTER_ID_EXPERT)) {
                            expert = true;

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            setErrorMessage(null);
        } else {
            Object object = selection.getData();
            if (object instanceof IPropertySheetEntry) {
                // get the entry for this item
                IPropertySheetEntry activeEntry = (IPropertySheetEntry) object;


                // display the description for the item
                setMessage(activeEntry.getDescription());


                // activate a cell editor on the selection
                activateCellEditor(selection);
            }
        }

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      misc = new PropertySheetCategory(MISCELLANEOUS_CATEGORY_NAME);
    }
        boolean addMisc = false;


        for (int i = 0; i < childEntries.size(); i++) {
            IPropertySheetEntry childEntry = (IPropertySheetEntry) childEntries
                    .get(i);
            String categoryName = childEntry.getCategory();
            if (categoryName == null) {
                misc.addEntry(childEntry);
                addMisc = true;
                categoriesToRemove.remove(misc);
            } else {
                PropertySheetCategory category = (PropertySheetCategory) categoryCache
                        .get(categoryName);
                if (category == null) {
                    category = new PropertySheetCategory(categoryName);
                    categoryCache.put(categoryName, category);
                } else {
                    categoriesToRemove.remove(category);
                }
                category.addEntry(childEntry);
            }
        }


        // Add the PSE_MISC category if it has entries
        if (addMisc) {
      categoryCache.put(MISCELLANEOUS_CATEGORY_NAME, misc);
    }
        
        // Sort the categories.
        // Rather than just sorting categoryCache.values(), we'd like the original order to be preserved
        // (with misc added at the end, if needed) before passing to the sorter.
        ArrayList categoryList = new ArrayList();
        Set seen = new HashSet(childEntries.size());
        for (int i = 0; i < childEntries.size(); i++) {
            IPropertySheetEntry childEntry = (IPropertySheetEntry) childEntries
                    .get(i);
            String categoryName = childEntry.getCategory();
            if (categoryName != null && !seen.contains(categoryName)) {
                seen.add(categoryName);
                PropertySheetCategory category = (PropertySheetCategory) categoryCache
                        .get(categoryName);
                if (category != null) {

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     *            <code>TableTree</code> if the node is the root node or a
     *            <code>TreeItem</code> otherwise.
     */
    private void updateChildrenOf(Object node, Widget widget) {
        // cast the entry or category
        IPropertySheetEntry entry = null;
        PropertySheetCategory category = null;
        if (node instanceof IPropertySheetEntry) {
      entry = (IPropertySheetEntry) node;
    } else {
      category = (PropertySheetCategory) node;
    }


        // get the current child tree items
        TreeItem[] childItems = getChildItems(widget);


        // optimization! prune collapsed subtrees
        TreeItem item = null;
        if (widget instanceof TreeItem) {
            item = (TreeItem) widget;
        }
        if (item != null && !item.getExpanded()) {
            // remove all children
            for (int i = 0; i < childItems.length; i++) {
                if (childItems[i].getData() != null) {
                    removeItem(childItems[i]);
                }
            }


            // append a dummy if necessary
            if (category != null || entry.hasChildEntries()) {
                // may already have a dummy
                // It is either a category (which always has at least one child)
                // or an entry with chidren.
                // Note that this test is not perfect, if we have filtering on
                // then there in fact may be no entires to show when the user

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