private void DoActionByColumnTag(DataGridView grid, int columnIndex, ColumnTag tag) { switch (tag.Tag) { case ColumnTag.ETag.AddVariable: AddVariable(tag.PathLast.Define); break; case ColumnTag.ETag.ListEnd: // add list item now ColumnTag tagSeed = tag.Copy(ColumnTag.ETag.Normal); tagSeed.PathLast.ListIndex = -tag.PathLast.ListIndex; --tag.PathLast.ListIndex; tag.PathLast.Define.Reference.BuildGridColumns((grid.Tag as Document).GridData, columnIndex, tagSeed, -1); //(grid.Tag as Document).IsChanged = true; break; } }
public void UpdateWhenAddVariable(VarDefine var) { for (int c = 0; c < ColumnCount; ++c) { ColumnTag tagref = Columns[c].ColumnTag; if (tagref.Tag == ColumnTag.ETag.AddVariable && tagref.PathLast.Define.Parent == var.Parent) { c += var.BuildGridColumns(this, c, tagref.Parent(ColumnTag.ETag.Normal), -1); // 如果是List,第一次加入的时候,默认创建一个Item列。 // 但是仍然有问题:如果这个Item没有输入数据,下一次打开时,不会默认创建。需要手动增加Item。 if (var.Type == VarDefine.EType.List) { ColumnTag tagListEnd = Columns[c - 1].ColumnTag; ColumnTag tagListEndCopy = tagListEnd.Copy(ColumnTag.ETag.Normal); tagListEndCopy.PathLast.ListIndex = -tagListEnd.PathLast.ListIndex; // 肯定是0,保险写法。 --tagListEnd.PathLast.ListIndex; c += var.Reference.BuildGridColumns(this, c - 1, tagListEndCopy, -1); } //((Document)gridref.Tag).IsChanged = true; // 引用的Grid仅更新界面,数据实际上没有改变。 } } }
public int BuildGridColumns(GridData grid, int columnIndex, ColumnTag tag, int listIndex) { int colAdded = 0; foreach (var v in _Variables) { colAdded += v.BuildGridColumns(grid, columnIndex + colAdded, tag, listIndex); } // 这里创建的列用来新增。 grid.InsertColumn(columnIndex + colAdded, new GridData.Column() { HeaderText = ",", ReadOnly = true, ToolTipText = "双击增加列", // 使用跟List一样的规则设置ListIndex,仅用于Delete List Item,此时这个Bean肯定在List中。 ColumnTag = tag.Copy(ColumnTag.ETag.AddVariable).AddVar(new VarDefine(this, ""), listIndex >= 0 ? listIndex : 0), }); for (int i = 0; i < grid.RowCount; ++i) { grid.GetCell(columnIndex + colAdded, i).Value = ","; } ++colAdded; return(colAdded); }
public bool Update(GridData grid, GridData.Row row, ref int colIndex, int pathIndex, UpdateParam param) { // ColumnCount maybe change in loop for (; colIndex < grid.ColumnCount; ++colIndex) { ColumnTag tag = grid.GetColumn(colIndex).ColumnTag; switch (tag.Tag) { case ColumnTag.ETag.AddVariable: // end of bean. // 删除Define变化时没有同步的数据。 HashSet <string> removed = new HashSet <string>(); foreach (var k in VariableMap.Keys) { if (tag.PathLast.Define.Parent.GetVariable(k) == null) { removed.Add(k); } } foreach (var k in removed) { DeleteVarData(k); } return(false); } ColumnTag.VarInfo varInfo = tag.Path[pathIndex]; if (false == VariableMap.TryGetValue(varInfo.Define.Name, out var varData)) { switch (param.UpdateType) { case EUpdate.Data: break; // will new data case EUpdate.CallAction: case EUpdate.Grid: if (varInfo.Define.Type == VarDefine.EType.List) { if (tag.Tag == ColumnTag.ETag.ListStart) { ++colIndex; } colIndex = GridData.FindColumnListEnd(grid, colIndex); } continue; // data not found. continue load. case EUpdate.DeleteData: return(true); // data not found. nothing need to delete. default: throw new Exception("unknown update type"); } varData = new VarData(this, varInfo.Define.Name); VariableMap.Add(varInfo.Define.Name, varData); } else if (param.UpdateType == EUpdate.CallAction) { param.UpdateAction(grid, colIndex, varInfo, varData); } if (varInfo.Define.Type == VarDefine.EType.List) { if (param.UpdateType == EUpdate.DeleteData) { if (pathIndex + 1 < tag.Path.Count) { if (varInfo.ListIndex < varData.Beans.Count) { Bean bean1 = varData.Beans[varInfo.ListIndex]; if (null != bean1) { bean1.Update(grid, row, ref colIndex, pathIndex + 1, param); } // always return true; } } else { if (ColumnTag.ETag.ListStart != tag.Tag) { throw new Exception("应该仅在Tag为ListStart时移除数据. see FormMain.deleteVariable..."); } DeleteVarData(varInfo.Define.Name); } return(true); } if (ColumnTag.ETag.ListStart == tag.Tag) { continue; // 此时没有进入下一级Bean,就在当前Bean再次判断,因为这里没有ListIndex。 } if (tag.Tag == ColumnTag.ETag.ListEnd) { int curListCount = -varInfo.ListIndex; int add = 0; for (int i = curListCount; i < varData.Beans.Count; ++i) { ColumnTag tagSeed = tag.Copy(ColumnTag.ETag.Normal); tagSeed.PathLast.ListIndex = i; add += tag.PathLast.Define.Reference.BuildGridColumns(grid, colIndex + add, tagSeed, -1); } if (curListCount < varData.Beans.Count) // curListCount 至少为1. { varInfo.ListIndex = -varData.Beans.Count; } if (add > 0) { --colIndex; // 新增加了列,回退一列,继续装载数据。 } continue; } if (varInfo.ListIndex >= varData.Beans.Count) { if (EUpdate.Data == param.UpdateType) { for (int i = varData.Beans.Count; i < varInfo.ListIndex; ++i) { varData.AddBean(new Bean(Document, varInfo.Define.Value)); } Bean create = new Bean(Document, varInfo.Define.Value); varData.AddBean(create); if (create.Update(grid, row, ref colIndex, pathIndex + 1, param)) { return(true); } } // 忽略剩下的没有数据的item直到ListEnd。 colIndex = GridData.FindColumnListEnd(grid, colIndex); continue; } Bean bean = varData.Beans[varInfo.ListIndex]; if (null != bean) { if (bean.Update(grid, row, ref colIndex, pathIndex + 1, param)) { return(true); } continue; } if (EUpdate.Data == param.UpdateType) { Bean create = new Bean(Document, varInfo.Define.Value); varData.SetBeanAt(varInfo.ListIndex, create); if (create.Update(grid, row, ref colIndex, pathIndex + 1, param)) { return(true); } } continue; } if (pathIndex + 1 != tag.Path.Count) { throw new Exception("Remain Path, But Is Not A List"); } switch (param.UpdateType) { case EUpdate.Data: // OnGridCellEndEdit update data varData.Value = row.Cells[colIndex].Value; return(true); case EUpdate.CallAction: // 上面已经做完了。 break; case EUpdate.Grid: row.Cells[colIndex].Value = varData.Value; // upate to grid break; // Update Grid 等到 ColumnTag.ETag.AddVariable 才返回。在这个函数开头。 case EUpdate.DeleteData: DeleteVarData(varInfo.Define.Name); return(true); default: throw new Exception("unkown update type. end."); } } return(true); }
public int BuildGridColumns(GridData grid, int columnIndex, ColumnTag tag, int listIndex) { switch (Type) { case EType.List: { grid.InsertColumn(columnIndex, new GridData.Column() { HeaderText = "[" + this.Name, ReadOnly = true, ToolTipText = Name + ":" + Value + ":" + Comment, ColumnTag = tag.Copy(ColumnTag.ETag.ListStart).AddVar(this, -1), }); for (int i = 0; i < grid.RowCount; ++i) { grid.GetCell(columnIndex, i).Value = "["; } if (null == Reference) { throw new Exception("List Reference Not Initialize."); } ++columnIndex; int colAdded = 0; if (listIndex >= 0) { colAdded = Reference.BuildGridColumns(grid, columnIndex, tag.Copy(tag.Tag).AddVar(this, listIndex), -1); } columnIndex += colAdded; grid.InsertColumn(columnIndex, new GridData.Column() { HeaderText = "]" + this.Name, ReadOnly = true, ToolTipText = Name + ": 双击此列增加List Item。", // 这里的 PathLast.ListIndex 是List中最大的Item数量,以后在Bean.Update中修改。 ColumnTag = tag.Copy(ColumnTag.ETag.ListEnd).AddVar(this, 0), }); for (int i = 0; i < grid.RowCount; ++i) { grid.GetCell(columnIndex, i).Value = "]"; } return(colAdded + 2); } /* * case EType.Enum: * { * DataGridViewCell template = new DataGridViewTextBoxCell(); * ColumnTag current = tag.Copy(tag.Tag).AddVar(this, -1); * grid.Columns.Insert(columnIndex, new DataGridViewColumn(template) * { * Name = this.Name, * Width = GridColumnValueWidth, * ToolTipText = Name + ":" + Comment, * Tag = current, * Frozen = false, * AutoSizeMode = DataGridViewAutoSizeColumnMode.None, * }); * // 自动完成来实现enum选择。不使用Combobox. * current.BuildUniqueIndex(grid, columnIndex); * return 1; * } */ default: { ColumnTag current = tag.Copy(tag.Tag).AddVar(this, -1); grid.InsertColumn(columnIndex, new GridData.Column() { HeaderText = Name, ToolTipText = Name + ":" + Comment, ColumnTag = current, }); current.BuildUniqueIndex(grid, columnIndex); return(1); } } }