Beispiel #1
0
        public override bool Equals(object obj)
        {
            if (obj != null && obj is OoAccessibilitySelection)
            {
                OoAccessibilitySelection objS = obj as OoAccessibilitySelection;
                if (objS.Source.Equals(this.Source))
                {
                    if (objS.Count == this.Count)
                    {
                        if (objS.Count > 0)
                        {
                            foreach (var item in objS.SelectedItems)
                            {
                                if (!this.SelectedItems.Contains(item))
                                {
                                    return(false);
                                }
                            }
                        }
                        return(true);
                    }
                }
            }

            return(false);
        }
Beispiel #2
0
        /// <summary>
        /// Tries to the get current selection.
        /// </summary>
        /// <param name="doc">The document window.</param>
        /// <param name="selectedShapesList">The list of currently selected shapes.</param>
        /// <returns><c>true</c> if the selection could be achieved; otherwise <c>false</c> (e.g. because it was aborted by time limit)</returns>
        /// <remarks>This request is time limited to 300 ms.</remarks>
        public bool TryGetSelection(OoAccessibleDocWnd doc, out OoAccessibilitySelection selection)
        {
            selection = null;
            List <OoShapeObserver> selectedShapesList2 = new List <OoShapeObserver>();
            bool innerSuccess = false;
            bool success      = false;

            if (doc != null)
            {
                try
                {
                    if (_cachedSelection.ContainsKey(doc))
                    {
                        int i = 0;
                        while (!_cachedSelection.TryGetValue(doc, out selection) && i++ < 3)
                        {
                            Thread.Sleep(5);
                        }
                        if (i < 3)
                        {
                            if (selection != null &&
                                DateTime.Now - selection.SelectionCreationTime < new TimeSpan(0, 1, 0))
                            {
                                //System.Diagnostics.Debug.WriteLine("******* GET Cached Selection for WND: " + doc + " result in " + selection.Count + " selected Items.");
                                return(true);
                            }
                        }
                    }

                    success = TimeLimitExecutor.WaitForExecuteWithTimeLimit(300, () =>
                    {
                        try
                        {
                            lock (doc.SynchLock)
                            {
                                innerSuccess = tryGetSelection(doc, out selectedShapesList2);
                            }
                        }
                        catch { innerSuccess = false; }
                    }, "HandleSelectionChanged");

                    var selection2 = new OoAccessibilitySelection(doc, selectedShapesList2);
                    if (success & innerSuccess)
                    {
                        //System.Diagnostics.Debug.WriteLine("++++++ ADD to cached Selection for WND: " + doc + " result in " + selection2.Count + " selected Items.");
                        _cachedSelection.AddOrUpdate(doc, selection2, (key, oldValue) => selection2);
                        selection = selection2;
                    }
                    //else resetSelectionCache();
                }
                catch (ThreadInterruptedException) { }
                catch (ThreadAbortException) { }
            }

            //System.Diagnostics.Debug.WriteLine(".... Selection Return: " + (selection != null ? selection.Count.ToString() : " invalid selection"));

            return(success & innerSuccess);
        }