/// <summary>
/// 初始化数据元
/// </summary>
/// <param name="graphElement">索引的图元</param>
/// <returns>数据元</returns>
public DataElement InitDataElement(GraphElement graphElement)
{
// 执行逻辑操作
LogicBaseManager logicManager = Helper.GetHelper().GetLogicManager(flowChartManager.CurrentChartMode);
logicManager.DoLogicOperation(flowChartManager, LogicType.InitializeDataElement, graphElement);
return(initializedDataElement);
}
/// <summary>
/// 编辑数据元
/// </summary>
/// <param name="graphElement">索引的图元</param>
/// <returns>是否编辑成功</returns>
public bool EditData(GraphElement graphElement)
{
bool success = false;
DataElement dataElement = graphTable[graphElement] as DataElement;
if (dataElement != null) // 找到该图元绑定的数据元
{
// 执行逻辑操作
LogicBaseManager logicManager = Helper.GetHelper().GetLogicManager(flowChartManager.CurrentChartMode);
success = logicManager.DoLogicOperation(flowChartManager, LogicType.Edit, graphElement);
}
else
{
MessageBox.Show("该图元没有绑定数据元！", "数据元编辑", MessageBoxButtons.OK, MessageBoxIcon.Information);
}
return(success);
}
/// <summary>
/// 键盘按下事件响应
/// </summary>
/// <param name="sender">事件发送者</param>
/// <param name="e">事件</param>
private void canvas_KeyDown(object sender, KeyEventArgs e)
{
DocumentManager documentManager = DocumentManager.GetDocumentManager();
FlowChartManager flowChartManager = documentManager.CurrentFlowChartManager;
graphManager.ControlMode = e.Control;
graphManager.ShiftMode = e.Shift;
graphManager.AltMode = e.Alt;
switch (e.KeyCode)
{
case Keys.Enter: // 响应enter按键
{
graphManager.EditDataElement();
break;
}
case Keys.Escape: // 响应esc按键
{
graphManager.DeleteAbbreviateGraphElement();
break;
}
case Keys.Space: // 响应空格键
{
graphManager.CurrentBackground.DebugMode = !graphManager.CurrentBackground.DebugMode;
break;
}
case Keys.Left: // 响应左方向键
{
graphManager.MoveSelectedGraphElement(new Size(-1, 0));
break;
}
case Keys.Up: // 响应上方向键
{
graphManager.MoveSelectedGraphElement(new Size(0, -1));
break;
}
case Keys.Right: // 响应右方向键
{
graphManager.MoveSelectedGraphElement(new Size(1, 0));
break;
}
case Keys.Down: // 响应下方向键
{
graphManager.MoveSelectedGraphElement(new Size(0, 1));
break;
}
case Keys.Delete: // 响应delete按键
{
graphManager.DeleteSelectedGraphElement();
break;
}
case Keys.D1: // 响应1按键
{
// 执行逻辑操作
LogicBaseManager logicManager = Helper.GetHelper().GetLogicManager(flowChartManager.CurrentChartMode);
object[] logicData = new object[2];
logicData[0] = 1;
logicData[1] = (sender as Canvas).PointToClient(Cursor.Position);
logicManager.DoLogicOperation(flowChartManager, LogicType.CreateAtPoint, logicData);
break;
}
case Keys.NumPad1: // 响应1按键
{
goto case Keys.D1;
}
case Keys.D2: // 响应2按键
{
// 执行逻辑操作
LogicBaseManager logicManager = Helper.GetHelper().GetLogicManager(flowChartManager.CurrentChartMode);
object[] logicData = new object[2];
logicData[0] = 2;
logicData[1] = (sender as Canvas).PointToClient(Cursor.Position);
logicManager.DoLogicOperation(flowChartManager, LogicType.CreateAtPoint, logicData);
break;
}
case Keys.NumPad2: // 响应2按键
{
goto case Keys.D2;
}
case Keys.D3: // 响应3按键
{
// 执行逻辑操作
LogicBaseManager logicManager = Helper.GetHelper().GetLogicManager(flowChartManager.CurrentChartMode);
object[] logicData = new object[2];
logicData[0] = 3;
logicData[1] = (sender as Canvas).PointToClient(Cursor.Position);
logicManager.DoLogicOperation(flowChartManager, LogicType.CreateAtPoint, logicData);
break;
}
case Keys.NumPad3: // 响应3按键
{
goto case Keys.D3;
}
case Keys.D4: // 响应4按键
{
// 执行逻辑操作
LogicBaseManager logicManager = Helper.GetHelper().GetLogicManager(flowChartManager.CurrentChartMode);
object[] logicData = new object[2];
logicData[0] = 4;
logicData[1] = (sender as Canvas).PointToClient(Cursor.Position);
logicManager.DoLogicOperation(flowChartManager, LogicType.CreateAtPoint, logicData);
break;
}
case Keys.NumPad4: // 响应4按键
{
goto case Keys.D4;
}
case Keys.D5: // 响应5按键
{
// 执行逻辑操作
LogicBaseManager logicManager = Helper.GetHelper().GetLogicManager(flowChartManager.CurrentChartMode);
object[] logicData = new object[2];
logicData[0] = 5;
logicData[1] = (sender as Canvas).PointToClient(Cursor.Position);
logicManager.DoLogicOperation(flowChartManager, LogicType.CreateAtPoint, logicData);
break;
}
case Keys.NumPad5: // 响应5按键
{
goto case Keys.D5;
}
case Keys.Oemplus: // 响应+按键
{
graphManager.CurrentCanvas.AutoScroll = false;
graphManager.AdjustCanvasScale(1.1f);
documentManager.RefreshCanvasScaleDisplay();
break;
}
case Keys.OemMinus: // 响应-按键
{
graphManager.CurrentCanvas.AutoScroll = false;
graphManager.AdjustCanvasScale(0.9f);
documentManager.RefreshCanvasScaleDisplay();
break;
}
case Keys.Oemcomma: // 逗号
{
graphManager.SelectLineInSlotContainer();
break;
}
case Keys.OemPeriod: // 句号
{
graphManager.SelectLineOutSlotContainer();
break;
}
case Keys.F5: // 刷新绘图板
{
graphManager.RefreshRegion();
break;
}
}
}
