public override bool InsertItem(HCCustomItem aItem)
{
bool Result = base.InsertItem(aItem);
if (Result)
{
Style.UpdateInfoRePaint();
Style.UpdateInfoReCaret();
Style.UpdateInfoReScroll();
}
return(Result);
}
public HCViewTool() : base()
{
FToolOffset = -4;
FActiveItem = null;
FHotToolBar = null;
FTableToolBar = new HCTableToolBar();
FTableToolBar.OnUpdateView = DoTableToolBarUpdateView;
FImageToolBar = new HCImageToolBar();
FImageToolBar.OnUpdateView = DoImageToolBarUpdateView;
FImageToolBar.OnControlPaint = DoImageToolBarControlPaint;
}
protected override void DoRemoveItem(HCCustomItem aItem)
{
if (aItem.StyleNo == HCStyle.Annotate && (aItem as HCAnnotateItem).MarkType == MarkType.cmtBeg)
{
FAnnotateCount--;
if (FOnRemoveAnnotate != null)
{
FOnRemoveAnnotate(this, aItem as HCAnnotateItem);
}
}
base.DoRemoveItem(aItem);
}
public override bool InsertItem(int aIndex, HCCustomItem aItem, bool aOffsetBefor = true)
{
bool Result = base.InsertItem(aIndex, aItem, aOffsetBefor);
if (Result)
{
Style.UpdateInfoRePaint();
Style.UpdateInfoReCaret();
Style.UpdateInfoReScroll();
}
return(Result);
}
private void UndoRedoItemProperty(HCCustomUndoAction aAction, bool aIsUndo, ref int aCaretItemNo, ref int aCaretOffset)
{
HCItemPropertyUndoAction vAction = aAction as HCItemPropertyUndoAction;
aCaretItemNo = vAction.ItemNo;
aCaretOffset = vAction.Offset;
HCCustomItem vItem = Items[vAction.ItemNo];
switch (vAction.ItemProperty)
{
case ItemProperty.uipStyleNo:
{
if (aIsUndo)
{
vItem.StyleNo = (vAction as HCItemStyleUndoAction).OldStyleNo;
}
else
{
vItem.StyleNo = (vAction as HCItemStyleUndoAction).NewStyleNo;
}
}
break;
case ItemProperty.uipParaNo:
{
if (aIsUndo)
{
vItem.ParaNo = (vAction as HCItemParaUndoAction).OldParaNo;
}
else
{
vItem.ParaNo = (vAction as HCItemParaUndoAction).NewParaNo;
}
}
break;
case ItemProperty.uipParaFirst:
{
if (aIsUndo)
{
vItem.ParaFirst = (vAction as HCItemParaFirstUndoAction).OldParaFirst;
}
else
{
vItem.ParaFirst = (vAction as HCItemParaFirstUndoAction).NewParaFirst;
}
}
break;
}
}
/// <summary> 复制前，便于控制是否允许复制 </summary>
protected virtual bool DoCopyRequest(int aFormat)
{
HCCustomItem vTopItem = FData.GetTopLevelItem();
if (vTopItem is HCEditItem)
{
if ((vTopItem as HCEditItem).SelectTextExists())
{
return((aFormat == User.CF_TEXT) || (aFormat == User.CF_UNICODETEXT));
}
}
return(true);
}
// 当前RectItem格式化时所属的Data(为松耦合请传入TCustomRichData类型)
public override void FormatToDrawItem(HCCustomData aRichData, int aItemNo)
{
this.Width = 0;
this.Height = aRichData.Style.TextStyles[0].FontHeight; // 默认大小
if (this.MarkType == MarkType.cmtBeg)
{
if (aItemNo < aRichData.Items.Count - 1)
{
HCCustomItem vItem = aRichData.Items[aItemNo + 1];
if ((vItem.StyleNo == this.StyleNo) && // 下一个是组标识
((vItem as HCDomainItem).MarkType == MarkType.cmtEnd)) // 下一个是结束标识
{
this.Width = 10; // 增加宽度以便输入时光标可方便点击
}
else
if (vItem.ParaFirst) // 下一个是段首，我是段尾
{
this.Width = 10; // 增加宽度以便输入时光标可方便点击
}
else
if (vItem.StyleNo > HCStyle.Null) // 后面是文本，跟随后面的高度
{
this.Height = aRichData.Style.TextStyles[vItem.StyleNo].FontHeight;
}
}
else
{
this.Width = 10;
}
}
else // 域结束标识
{
HCCustomItem vItem = aRichData.Items[aItemNo - 1];
if ((vItem.StyleNo == this.StyleNo) && ((vItem as HCDomainItem).MarkType == MarkType.cmtBeg))
{
this.Width = 10;
}
else
if (this.ParaFirst) // 结束标识是段首，增加宽度
{
this.Width = 10;
}
else
if (vItem.StyleNo > HCStyle.Null) // 前面是文本，距离前面的高度
{
this.Height = aRichData.Style.TextStyles[vItem.StyleNo].FontHeight;
}
}
}
private void CalcItemFormatHeigh(HCCustomItem AItem)
{
if (Style.TempStyleNo != AItem.StyleNo)
{
Style.ApplyTempStyle(AItem.StyleNo);
FLastFormatParaNo = AItem.ParaNo;
FItemFormatHeight = CalculateLineHeight(Style.TextStyles[AItem.StyleNo], Style.ParaStyles[AItem.ParaNo]);
}
else
if (FLastFormatParaNo != AItem.ParaNo)
{
FLastFormatParaNo = AItem.ParaNo;
FItemFormatHeight = CalculateLineHeight(Style.TextStyles[AItem.StyleNo], Style.ParaStyles[AItem.ParaNo]);
}
}
private void CancelActiveToolItem()
{
if (FActiveItem is HCImageItem)
{
(FActiveItem as HCImageItem).ShapeManager.DisActive();
FImageToolBar.Visible = false;
}
else
if (FActiveItem is HCTableItem) // 是表格
{
FTableToolBar.Visible = false;
}
FActiveItem = null;
}
private void UndoRedoInsertItem(HCCustomUndo aUndo, HCCustomUndoAction aAction, bool aIsUndo, ref int aCaretItemNo, ref int aCaretOffset, ref int aCaretDrawItemNo)
{
HCItemUndoAction vAction = aAction as HCItemUndoAction;
aCaretItemNo = vAction.ItemNo;
if (aIsUndo)
{
Items.RemoveAt(vAction.ItemNo);
FItemAddCount--;
if (aCaretItemNo > 0)
{
aCaretItemNo--;
if (Items[aCaretItemNo].StyleNo > HCStyle.Null)
{
aCaretOffset = Items[aCaretItemNo].Length;
}
else
{
aCaretOffset = HC.OffsetAfter;
}
}
else
{
aCaretOffset = 0;
}
}
else // 重做
{
HCCustomItem vItem = null;
LoadItemFromStreamAlone(vAction.ItemStream, ref vItem);
Items.Insert(vAction.ItemNo, vItem);
FItemAddCount++;
aCaretItemNo = vAction.ItemNo;
if (Items[aCaretItemNo].StyleNo > HCStyle.Null)
{
aCaretOffset = Items[aCaretItemNo].Length;
}
else
{
aCaretOffset = HC.OffsetAfter;
}
aCaretDrawItemNo = (aUndo as HCDataUndo).CaretDrawItemNo + 1;
}
}
public override HCCustomItem BreakByOffset(int aOffset)
{
HCCustomItem Result = null;
if ((aOffset >= Length) || (aOffset <= 0))
{
}
else
{
Result = base.BreakByOffset(aOffset);
Result.Text = this.SubString(aOffset + 1, Length - aOffset);
FText = FText.Substring(0, aOffset); // 当前Item减去光标后的字符串
}
return(Result);
}
public override HCCustomItem CreateItemByStyle(int aStyleNo)
{
HCCustomItem Result = null;
if (FOnCreateItemByStyle != null)
{
Result = FOnCreateItemByStyle(this, aStyleNo);
}
if (Result == null)
{
Result = base.CreateItemByStyle(aStyleNo);
}
return(Result);
}
protected override HCCustomItem CreateItemByStyle(int AStyleNo)
{
HCCustomItem Result = null;
if (FOnCreateItemByStyle != null)
{
Result = FOnCreateItemByStyle(this, AStyleNo);
}
if (Result == null)
{
Result = base.CreateItemByStyle(AStyleNo);
}
return(Result);
}
private void UndoRedoItemMirror(HCCustomUndoAction aAction, bool aIsUndo, ref int aCaretItemNo, ref int aCaretOffset)
{
HCItemUndoAction vAction = aAction as HCItemUndoAction;
aCaretItemNo = vAction.ItemNo;
aCaretOffset = vAction.Offset;
HCCustomItem vItem = Items[aCaretItemNo];
if (aIsUndo)
{
LoadItemFromStreamAlone(vAction.ItemStream, ref vItem);
}
else
{
LoadItemFromStreamAlone(vAction.ItemStream, ref vItem);
}
}
public override void Assign(HCCustomItem Source)
{
base.Assign(Source);
FItems.Clear();
HCComboboxItem vCombobox = Source as HCComboboxItem;
for (int i = 0; i < vCombobox.Items.Count; i++)
{
FItems.Add(vCombobox.Items[i]);
}
FItemValues.Clear();
for (int i = 0; i < vCombobox.ItemValues.Count; i++)
{
FItemValues.Add(vCombobox.ItemValues[i]);
}
}
public void LoadItemFromStreamAlone(Stream aStream, ref HCCustomItem aItem)
{
string vFileExt = "";
ushort vFileVersion = 0;
byte vLan = 0;
aStream.Position = 0;
HC._LoadFileFormatAndVersion(aStream, ref vFileExt, ref vFileVersion, ref vLan); // 文件格式和版本
if ((vFileExt != HC.HC_EXT) && (vFileExt != "cff."))
{
throw new Exception("加载失败，不是" + HC.HC_EXT + "文件！");
}
HCStyle vStyle = new HCStyle();
vStyle.LoadFromStream(aStream, vFileVersion);
int vStyleNo = HCStyle.Null;
byte[] vBuffer = BitConverter.GetBytes(vStyleNo);
aStream.Read(vBuffer, 0, vBuffer.Length);
vStyleNo = BitConverter.ToInt32(vBuffer, 0);
if (vStyleNo > HCStyle.Null)
{
HCTextStyle vTextStyle = vStyle.TextStyles[vStyleNo];
vStyleNo = Style.GetStyleNo(vTextStyle, true);
}
if (aItem == null)
{
aItem = CreateItemByStyle(vStyleNo);
}
aItem.LoadFromStream(aStream, vStyle, vFileVersion);
aItem.StyleNo = vStyleNo;
int vParaNo = aItem.ParaNo;
HCParaStyle vParaStyle = vStyle.ParaStyles[vParaNo];
vParaNo = Style.GetParaNo(vParaStyle, true);
aItem.ParaNo = vParaNo;
}
protected override void DoSectionRemoveItem(object sender, HCCustomData aData, HCCustomItem aItem)
{
base.DoSectionRemoveItem(sender, aData, aItem);
if (aItem == FActiveItem)
{
if (FActiveItem is HCImageItem)
{
(FActiveItem as HCImageItem).ShapeManager.DisActive();
FImageToolBar.Visible = false;
}
else
if (FActiveItem is HCTableItem) // 是表格
{
FTableToolBar.Visible = false;
}
FActiveItem = null;
}
}
// 当前RectItem格式化时所属的Data(为松耦合请传入TCustomRichData类型)
public override void FormatToDrawItem(HCCustomData ARichData, int AItemNo)
{
this.Width = 0;
this.Height = 5; // 默认大小
if (this.MarkType == MarkType.cmtBeg)
{
if (AItemNo < ARichData.Items.Count - 1)
{
HCCustomItem vItem = ARichData.Items[AItemNo + 1];
if ((vItem.StyleNo == this.StyleNo) && // 下一个是组标识)
((vItem as HCDomainItem).MarkType == MarkType.cmtEnd)) // 下一个是结束标识
{
this.Width = 10; // 增加宽度以便输入时光标可方便点击
}
else
if (vItem.StyleNo > HCStyle.Null)
{
ARichData.Style.TextStyles[vItem.StyleNo].ApplyStyle(ARichData.Style.DefCanvas);
this.Height = ARichData.Style.DefCanvas.TextHeight("H");
}
}
else
{
this.Width = 10;
}
}
else // 域结束标识
{
HCCustomItem vItem = ARichData.Items[AItemNo - 1];
if ((vItem.StyleNo == this.StyleNo) &&
((vItem as HCDomainItem).MarkType == MarkType.cmtBeg))
{
this.Width = 10;
}
else
if (vItem.StyleNo > HCStyle.Null)
{
ARichData.Style.TextStyles[vItem.StyleNo].ApplyStyle(ARichData.Style.DefCanvas);
this.Height = ARichData.Style.DefCanvas.TextHeight("H");
}
}
}
protected override void OnMouseDown(MouseEventArgs e)
{
FCaptureToolBar = null;
if (!this.ReadOnly)
{
if (FUseTableTool && FTableToolBar.Visible && TableMouseDown(e))
{
FCaptureToolBar = FTableToolBar;
return;
}
if (FUseImageTool && FImageToolBar.Visible && ImageMouseDown(e))
{
FCaptureToolBar = FImageToolBar;
return;
}
}
base.OnMouseDown(e);
FTopData = this.ActiveSectionTopLevelData();
HCCustomItem vTopItem = FTopData.GetActiveItem();
SetActiveToolItem(vTopItem);
HCCustomData vData = null;
while (FActiveItem == null)
{
vData = FTopData.GetRootData();
if (vData == FTopData)
{
break;
}
FTopData = vData;
vTopItem = FTopData.GetActiveItem();
SetActiveToolItem(vTopItem);
}
}
public override void FormatToDrawItem(HCCustomData aRichData, int aItemNo)
{
this.Width = 0;
this.Height = aRichData.Style.TextStyles[0].FontHeight - aRichData.Style.LineSpaceMin;
if (this.MarkType == MarkType.cmtBeg)
{
if (aItemNo < aRichData.Items.Count - 1)
{
HCCustomItem vItem = aRichData.Items[aItemNo + 1];
if (vItem.StyleNo == this.StyleNo &&
(vItem as HCAnnotateItem).MarkType == MarkType.cmtEnd)
{
this.Width = 10;
}
else
if (vItem.ParaFirst)
{
this.Width = 10;
}
}
else
{
this.Width = 10;
}
}
else
{
HCCustomItem vItem = aRichData.Items[aItemNo - 1];
if (vItem.StyleNo == this.StyleNo && (vItem as HCAnnotateItem).MarkType == MarkType.cmtBeg)
{
this.Width = 10;
}
else
if (this.ParaFirst)
{
this.Width = 10;
}
}
}
protected override void OnMouseDown(MouseEventArgs e)
{
if (!this.ReadOnly)
{
if (FTableToolBar.Visible && TableMouseDown(e))
{
return;
}
if (FImageToolBar.Visible && ImageMouseDown(e))
{
return;
}
}
base.OnMouseDown(e);
FTopData = this.ActiveSectionTopLevelData();
HCCustomItem vTopItem = this.GetTopLevelItem();
SetActiveItem(vTopItem);
}
private void _FormatBreakTextDrawItem(int aItemNo, int aFmtLeft, int aFmtRight, ref int aDrawItemNo,
ref POINT aPos, ref RECT vRect, ref int vRemainderWidth, ref bool vParaFirst)
{
HCCanvas vCanvas = HCStyle.CreateStyleCanvas();
try
{
HCCustomDrawItem vDrawItem = DrawItems[aDrawItemNo];
HCCustomItem vItemBK = Items[vDrawItem.ItemNo];
int vLen = vItemBK.Text.Length;
CalcItemFormatHeigh(vItemBK);
int vWidth = Style.TempCanvas.TextWidth(vItemBK.Text[vLen - 1]);
// 分裂前
vDrawItem.CharLen = vDrawItem.CharLen - 1;
vDrawItem.Rect.Right = vDrawItem.Rect.Right - vWidth;
vRemainderWidth = aFmtRight - vDrawItem.Rect.Right;
FinishLine(aItemNo, aDrawItemNo, vRemainderWidth);
// 分裂后
aPos.X = aFmtLeft;
aPos.Y = vDrawItem.Rect.Bottom;
vRect.Left = aPos.X;
vRect.Top = aPos.Y;
vRect.Right = vRect.Left + vWidth;
vRect.Bottom = vRect.Top + FItemFormatHeight;
NewDrawItem(vDrawItem.ItemNo, vLen - 1, 1, vRect, false, true, ref aDrawItemNo);
vParaFirst = false;
aPos.X = vRect.Right;
vRemainderWidth = aFmtRight - vRect.Right; // 放入最多后的剩余量
}
finally
{
HCStyle.DestroyStyleCanvas(vCanvas);
}
}
public override void Assign(HCCustomItem source)
{
base.Assign(source);
FFormat = (source as HCDateTimePicker).Format;
FDateTime = (source as HCDateTimePicker).DateTime;
}
private void UndoRedoItemProperty(HCCustomUndoAction aAction, bool aIsUndo, ref int aCaretItemNo, ref int aCaretOffset)
{
HCItemPropertyUndoAction vAction = aAction as HCItemPropertyUndoAction;
aCaretItemNo = vAction.ItemNo;
aCaretOffset = vAction.Offset;
HCCustomItem vItem = Items[vAction.ItemNo];
switch (vAction.ItemProperty)
{
case ItemProperty.uipStyleNo:
{
if (aIsUndo)
{
vItem.StyleNo = (vAction as HCItemStyleUndoAction).OldStyleNo;
}
else
{
vItem.StyleNo = (vAction as HCItemStyleUndoAction).NewStyleNo;
}
}
break;
case ItemProperty.uipParaNo:
{
int vParaLastItemNo = GetParaLastItemNo(vAction.ItemNo);
if (aIsUndo)
{
for (int i = vAction.ItemNo; i <= vParaLastItemNo; i++)
{
Items[i].ParaNo = (vAction as HCItemParaUndoAction).OldParaNo;
}
}
else
{
for (int i = vAction.ItemNo; i <= vParaLastItemNo; i++)
{
Items[i].ParaNo = (vAction as HCItemParaUndoAction).NewParaNo;
}
}
}
break;
case ItemProperty.uipParaFirst:
{
if (aIsUndo)
{
vItem.ParaFirst = (vAction as HCItemParaFirstUndoAction).OldParaFirst;
}
else
{
vItem.ParaFirst = (vAction as HCItemParaFirstUndoAction).NewParaFirst;
}
}
break;
case ItemProperty.uipPageBreak:
{
FForceClearExtra = true;
if (aIsUndo)
{
vItem.PageBreak = (vAction as HCItemPageBreakUndoAction).OldPageBreak;
}
else
{
vItem.PageBreak = (vAction as HCItemPageBreakUndoAction).NewPageBreak;
}
}
break;
}
}
private void UndoRedoInsertItem(HCCustomUndo aUndo, HCCustomUndoAction aAction, bool aIsUndo, ref int aCaretItemNo, ref int aCaretOffset, ref int aCaretDrawItemNo)
{
HCItemUndoAction vAction = aAction as HCItemUndoAction;
aCaretItemNo = vAction.ItemNo;
if (aIsUndo)
{
if (aCaretItemNo < Items.Count - 1) // 不是最后一个
{
if (Items[aCaretItemNo].ParaFirst) // 段首删除了，光标为下一个开始
{
aCaretOffset = 0;
aCaretDrawItemNo = Items[aCaretItemNo + 1].FirstDItemNo;
}
else // 删除的不是段首
//if (Items[aCaretItemNo + 1].ParaFirst) // 下一个是段首，光标保持在同段最后
{
aCaretItemNo--;
if (Items[aCaretItemNo].StyleNo > HCStyle.Null)
{
aCaretOffset = Items[aCaretItemNo].Length;
}
else
{
aCaretOffset = HC.OffsetAfter;
}
aCaretDrawItemNo = (aUndo as HCDataUndo).CaretDrawItemNo;// - 1;
}
}
else
if (aCaretItemNo > 0) // 不是第一个
{
aCaretItemNo--;
if (Items[aCaretItemNo].StyleNo > HCStyle.Null)
{
aCaretOffset = Items[aCaretItemNo].Length;
}
else
{
aCaretOffset = HC.OffsetAfter;
}
aCaretDrawItemNo = (aUndo as HCDataUndo).CaretDrawItemNo - 1;
}
else
{
aCaretOffset = 0;
}
Items.RemoveAt(vAction.ItemNo);
FItemAddCount--;
}
else // 重做
{
HCCustomItem vItem = null;
LoadItemFromStreamAlone(vAction.ItemStream, ref vItem);
Items.Insert(vAction.ItemNo, vItem);
FItemAddCount++;
aCaretItemNo = vAction.ItemNo;
if (Items[aCaretItemNo].StyleNo > HCStyle.Null)
{
aCaretOffset = Items[aCaretItemNo].Length;
}
else
{
aCaretOffset = HC.OffsetAfter;
}
aCaretDrawItemNo = (aUndo as HCDataUndo).CaretDrawItemNo + 1;
}
}
public void SaveItemToStreamAlone(Stream aStream, HCCustomItem aItem)
{
HC._SaveFileFormatAndVersion(aStream);
Style.SaveToStream(aStream);
aItem.SaveToStream(aStream);
}
private void SetActiveToolItem(HCCustomItem aItem)
{
// MouseDown里会触发重绘，此时ToolBar并未确定显示，处理ToolBar的Visible属性
// 会重新触发重绘，重绘是通过DoImageToolBarUpdateView(Rect)，需要先计算区域参数
// 然后触发UpdateView，所以需要提前计算ToolBar的坐标vPt位置
if (FActiveItem != aItem)
{
if (FUseTableTool && (FActiveItem is HCTableItem))
{
FTableToolBar.Visible = false;
}
else
if (FUseImageTool && (FActiveItem is HCImageItem))
{
FImageToolBar.Visible = false;
}
if ((aItem != null) && (aItem.Active))
{
POINT vPt = this.GetTopLevelRectDrawItemViewCoord();
if (FUseTableTool && (aItem is HCTableItem) && (FTableToolBar.Controls.Count > 0))
{
FActiveItem = aItem;
FTableToolBar.Left = vPt.X - FTableToolBar.Width + FToolOffset;
FTableToolBar.Top = vPt.Y;// - FTableToolBar.Height + FToolOffset;
FTableToolBar.Visible = true;
}
else
if (FUseImageTool && (aItem is HCImageItem) && (FImageToolBar.Controls.Count > 0))
{
FActiveItem = aItem;
(FActiveItem as HCImageItem).ShapeManager.OnStructOver = DoImageShapeStructOver;
FImageToolBar.Left = vPt.X;
FImageToolBar.Top = vPt.Y - FImageToolBar.Height + FToolOffset;
FImageToolBar.Visible = true;
}
else
{
FActiveItem = null;
}
}
else
{
FActiveItem = null;
}
}
else
if ((FActiveItem != null) && (!FActiveItem.Active))
{
if (FUseTableTool && (FActiveItem is HCTableItem))
{
FTableToolBar.Visible = false;
}
else
if (FUseImageTool && (FActiveItem is HCImageItem))
{
FImageToolBar.Visible = false;
}
FActiveItem = null;
}
}
public override void Assign(HCCustomItem source)
{
base.Assign(source);
FText = (source as HCTextItem).Text;
}
protected override void DoSectionRemoveItem(object sender, HCCustomData aData, HCCustomItem aItem)
{
base.DoSectionRemoveItem(sender, aData, aItem);
if (aItem == FActiveItem)
{
FState = HCToolState.hcsRemoveItem;
try
{
CancelActiveToolItem();
}
finally
{
FState = HCToolState.hcsNone;
}
}
}
public override void Assign(HCCustomItem source)
{
base.Assign(source);
FImage = new Bitmap((source as HCImageItem).Image);
}