private void btn_save_Click(object sender, System.EventArgs e) { if (this.tb_flowName.Text.Length < 0) { MessageForm.Show("文件名不能为空。"); this.tb_flowName.Focus(); return; } else if (this.tb_flowName.Text.Length > 20) { MessageForm.Show("文件名过长。"); this.tb_flowName.Focus(); return; } int p = tb_flowName.Text.LastIndexOf("."); if (p < 0 || tb_flowName.Text.Substring(p).ToUpper() != ".XML") { tb_flowName.Text += ".xml"; } foreach (ListViewItem temp in lv_flowView.Items) { if (temp.Text == this.tb_flowName.Text) { DialogResult dr = MessageForm.Show("文件名己存在,是否覆盖己有文件", ButtonType.YesAndNo); if (dr == DialogResult.Yes) { this.FileName = this.tb_flowName.Text; this.SaveOperate = "Save"; this.DialogResult = DialogResult.OK; } else { return; } break; } } this.FileName = this.tb_flowName.Text; this.SaveOperate = "Save"; this.DialogResult = DialogResult.OK; }
/// <summary> /// 改变节点的类型 /// </summary> public bool ChangeNodeType() { if (this.cb_nodeType.Text != DrawObject.getDefaultText(node.ObjectType)) { if (this.cb_nodeType.Text == DrawObject.getDefaultText(Node.DrawObjectType.DrawNodeGeneral)) { if (this.control.drawObject.i_GeneralCount >= 20) { MessageForm.Show("对不起,您目前选择的节点限制为20个.", "DrawFlow"); return(true); } } else if (this.cb_nodeType.Text == DrawObject.getDefaultText(Node.DrawObjectType.DrawNodeBegin)) { if (this.control.drawObject.bStartFlag) { MessageForm.Show("对不起,开始节点创建受限制。", "DrawFlow"); return(true); } else if (this.node.ConnectInCount > 0) { MessageForm.Show("您要更改的节点的不满足转为开始节点的要求,开始节点没有前驱,有多个后继 .", "DrawFlow"); return(true); } } else if (this.cb_nodeType.Text == DrawObject.getDefaultText(Node.DrawObjectType.DrawNodeEnd)) { if (this.control.drawObject.bStartFlag) { MessageForm.Show("对不起,结束节点创建受限制。", "DrawFlow"); return(true); } else if (this.node.ConnectOutCount > 0) { MessageForm.Show("您要更改的节点的不满足转为结束节点的要求,结束节点有多个前驱,没有后继。", "DrawFlow"); return(true); } } else if (this.cb_nodeType.Text == DrawObject.getDefaultText(Node.DrawObjectType.DrawAsunder)) { if (this.node.ConnectInCount > 1) { MessageForm.Show("您要更改的节点的不满足转为分支节点的要求,分支节点只有一个前驱,有多个后继。", "DrawFlow"); return(true); } } else if (this.cb_nodeType.Text == DrawObject.getDefaultText(Node.DrawObjectType.DrawConverge)) { if (this.node.ConnectOutCount > 1) { MessageForm.Show("您要更改的节点的不满足转为汇聚节点的要求,汇聚节点有多个前驱,只有一个后继。", "DrawFlow"); return(true); } } else if (this.cb_nodeType.Text == DrawObject.getDefaultText(Node.DrawObjectType.DrawDataNode)) { if (this.node.ConnectInCount > 0) { MessageForm.Show("您要更改的节点的不满足转为数据节点的要求,数据节点没有前驱,有多个后继。", "DrawFlow"); return(true); } } else if (this.cb_nodeType.Text == DrawObject.getDefaultText(Node.DrawObjectType.DrawGather)) { if (this.node.ConnectOutCount > 1) { MessageForm.Show("您要更改的节点的不满足转为汇总节点的要求,汇总节点有多个前驱,只有一个后继。", "DrawFlow"); return(true); } } else if (this.cb_nodeType.Text == DrawObject.getDefaultText(Node.DrawObjectType.DrawGradation)) { if (this.node.ConnectInCount > 1 || this.node.ConnectOutCount > 1) { MessageForm.Show("您要更改的节点的不满足转为顺序节点的要求,顺序节点只有一个前驱,只有一个后继。", "DrawFlow"); return(true); } } else if (this.cb_nodeType.Text == DrawObject.getDefaultText(Node.DrawObjectType.DrawSpecificallyOperation)) { if (this.node.ConnectInCount > 1 || this.node.ConnectOutCount > 0) { MessageForm.Show("您要更改的节点的不满足转为特定操作节点的要求,特定操作节点只有一个前驱,没有后继。", "DrawFlow"); return(true); } } else if (this.cb_nodeType.Text == DrawObject.getDefaultText(Node.DrawObjectType.DrawSynchronization)) { if (this.node.ConnectInCount > 2 || this.node.ConnectOutCount > 1) { MessageForm.Show("您要更改的节点的不满足转为同步节点的要求,同步节点只有两个前驱,有一个后继。", "DrawFlow"); return(true); } } switch (this.cb_nodeType.Text) { case "开始": node.ObjectType = Node.DrawObjectType.DrawNodeBegin; this.control.drawObject.bStartFlag = true; break; case "任务": node.ObjectType = Node.DrawObjectType.DrawNodeGeneral; this.control.drawObject.i_GeneralCount++; break; case "特定操作": node.ObjectType = Node.DrawObjectType.DrawSpecificallyOperation; break; case "顺序": node.ObjectType = Node.DrawObjectType.DrawGradation; break; case "同步": node.ObjectType = Node.DrawObjectType.DrawSynchronization; break; case "分支": node.ObjectType = Node.DrawObjectType.DrawAsunder; break; case "汇聚": node.ObjectType = Node.DrawObjectType.DrawConverge; break; case "汇总连接": node.ObjectType = Node.DrawObjectType.DrawGather; break; case "判断": node.ObjectType = Node.DrawObjectType.DrawJudgement; break; case "应用数据": node.ObjectType = Node.DrawObjectType.DrawDataNode; break; case "结束": node.ObjectType = Node.DrawObjectType.DrawNodeEnd; this.control.drawObject.bEndFlag = true; break; case "矩形": node.ObjectType = Node.DrawObjectType.DrawRectangle; break; case "椭圆形": node.ObjectType = Node.DrawObjectType.DrawEllipse; break; } } return(false); }
public void ShowForm(string str) { MessageForm.Show(str); }