/// <summary>
/// 添加图例或指北针——根据UID元素添加相应的元素
/// </summary>
/// <param name="uid"></param>
private void AddElementInPageLayer(UID uid)
{
//提供对控制图形容器的成员的访问。
IGraphicsContainer graphicsContainer = axPageLayoutControl1.PageLayout as IGraphicsContainer;
//提供对成员的访问, 控制map元素的对象, IMapFrame是地图浏览栏对象的默认接口
//通过FindFrame方法, 查找axPageLayoutControl1中屏幕包含指定对象的框架
IMapFrame mapFrame = graphicsContainer.FindFrame(axPageLayoutControl1.ActiveView.FocusMap) as IMapFrame;
//提供对成员的访问, 控制地图环绕元素映射的接口, 是附属物框架的对象的默认接口
//通过CreateSurroundFrame方法创建基于当前地图框下的一个新地图环绕元素(如图例、指北针)
IMapSurroundFrame mapSurroundFrame = mapFrame.CreateSurroundFrame(uid, null);
//IElement是所有图形元素和框架元素类都要实现的接口
//将mapSurroundFrame强转成IElement类型
IElement element = mapSurroundFrame as IElement;
//实例化一个包络线
IEnvelope envelope = new EnvelopeClass();
//设定坐标
envelope.PutCoords(1, 1, 2, 2);
//设置元素中的几何形状
element.Geometry = envelope;
try
{
//提供对控制图例的成员的访问。
ILegend legend = (ILegend)mapSurroundFrame.MapSurround;
legend.Title = "图例";
}
catch
{ }
graphicsContainer.AddElement(element, 0);
//设置元素将在axPageLayoutControl屏幕上显示图形
element.Activate(axPageLayoutControl1.ActiveView.ScreenDisplay);
//部分刷新
axPageLayoutControl1.ActiveView.PartialRefresh(esriViewDrawPhase.esriViewGraphics, null, null);
}
public override IElement GetElement(IPageLayout ipageLayout_0)
{
if (base.m_pElement == null)
{
this.CreateElement(ipageLayout_0);
}
if (base.m_pElement == null)
{
return(null);
}
IPoint position = this.GetPosition(ipageLayout_0);
IEnvelope bounds = new EnvelopeClass();
base.m_pElement.QueryBounds((ipageLayout_0 as IActiveView).ScreenDisplay, bounds);
if ((base.m_pElement as IMapSurroundFrame).MapSurround is ILegend)
{
ILegend mapSurround = (base.m_pElement as IMapSurroundFrame).MapSurround as ILegend;
mapSurround.Map = (ipageLayout_0 as IActiveView).FocusMap;
mapSurround.Refresh();
}
if (!bounds.IsEmpty)
{
IEnvelope envelope2 = new EnvelopeClass();
envelope2.PutCoords(position.X, position.Y, position.X + bounds.Width, position.Y + bounds.Height);
base.m_pElement.Geometry = envelope2;
}
return(base.m_pElement);
}
//尝试复制Legend
private void DeepCopyLegend(ILegend SrcLegend, ILegend DstLegend)
{
IClone pSrc = SrcLegend as IClone;
IClone pDest = pSrc.Clone();
DstLegend = pDest as ILegend;
}
/// <summary>
/// Initializes a new instance of the <see cref="MapWin"/> class where the Map, Legend, Form and MenuStrip
/// are all specified.
/// </summary>
/// <param name="inMap">Any valid implementation of IBasicMap</param>
/// <param name="inLegend">Any valid implementation of ILegend</param>
/// <param name="inMainForm">Any valid windows Form</param>
/// <param name="inMenuStrip">Any valid windows MenuStrip</param>
public MapWin(IBasicMap inMap, ILegend inLegend, Form inMainForm, MenuStrip inMenuStrip)
{
Map = inMap;
Legend = inLegend;
MainForm = inMainForm;
MenuStrip = inMenuStrip;
UserInteraction = new UserInteraction();
}
public void SetObjects(object object_0)
{
this.imapSurroundFrame_0 = object_0 as IMapSurroundFrame;
this.ilegend_0 = this.imapSurroundFrame_0.MapSurround as ILegend;
ILegendFormat format = this.ilegend_0.Format;
this.itextSymbol_0 = format.TitleSymbol;
}
/// <summary>
/// Constructs a new instance of a MapWin interface where the Map, Legend, Form and MenuStrip
/// are all specified.
/// </summary>
/// <param name="inMap">Any valid implementation of IBasicMap</param>
/// <param name="inLegend">Any valid implementation of ILegend</param>
/// <param name="inMainForm">Any valid windows Form</param>
/// <param name="inMenuStrip">Any valid windows MenuStrip</param>
public MapWin(IBasicMap inMap, ILegend inLegend, Form inMainForm, MenuStrip inMenuStrip)
{
_map = inMap;
_legend = inLegend;
_mainForm = inMainForm;
_menuStrip = inMenuStrip;
_userInteraction = new UserInteraction();
}
public FrmLegendStyle(ILegendItem legenditem, ILegend legend, int index)
{
InitializeComponent();
this.EnableGlass = false;
pLegendItem = legenditem;
pLegend = legend;
lineindex = index;
}
/// <summary>
/// Constructs a new instance of a MapWin interface where the Map, Legend, Form and MenuStrip
/// are all specified.
/// </summary>
/// <param name="inMap">Any valid implementation of IBasicMap</param>
/// <param name="inLegend">Any valid implementation of ILegend</param>
/// <param name="inMainForm">Any valid windows Form</param>
/// <param name="inMenuStrip">Any valid windows MenuStrip</param>
public MapWin(IBasicMap inMap, ILegend inLegend, Form inMainForm, MenuStrip inMenuStrip)
{
_map = inMap;
_legend = inLegend;
_mainForm = inMainForm;
_menuStrip = inMenuStrip;
_userInteraction = new UserInteraction();
}
public LegendPropertyForm(ILegend legendComplete, IElement pEle)
{
InitializeComponent();
m_legend_Complete = legendComplete;
m_pElement = pEle;
IMapSurroundFrame pSurround = pEle as IMapSurroundFrame;
m_legend = pSurround.MapSurround as ILegend;
}
// 添加图例
public static void MakeLegend(AxPageLayoutControl pageLayoutControl, IEnvelope envelope)
{
IActiveView pActiveView = pageLayoutControl.ActiveView;
UID pUID = new UID()
{
Value = "esriCarto.Legend"
};
IGraphicsContainer pGraphicsContainer = pageLayoutControl.PageLayout as IGraphicsContainer;
IMapFrame pMapFrame = pGraphicsContainer.FindFrame(pActiveView.FocusMap) as IMapFrame;
// 根据唯一标识符，创建与之对应的MapSurroundFrame
IMapSurroundFrame pMapSurroundFrame = pMapFrame.CreateSurroundFrame(pUID, null);
// 获取PageLayout中的图例元素
IElement pDeleteElement = pageLayoutControl.FindElementByName("Legend");
if (pDeleteElement != null)
{
pGraphicsContainer.DeleteElement(pDeleteElement); // 如果已存在图例，删除已经存在的图例
}
// 设置MapSurroundFrame背景
ISymbolBackground pSymbolBackground = new SymbolBackgroundClass()
{
FillSymbol = new SimpleFillSymbolClass()
{
Color = AeUtilsSymbology.GetRgbColor(240, 240, 240),
Outline = new SimpleLineSymbolClass()
{
Color = AeUtilsSymbology.GetRgbColor(0, 0, 0)
}
}
};
pMapSurroundFrame.Background = pSymbolBackground;
// 添加图例
IElement pElement = pMapSurroundFrame as IElement;
pElement.Geometry = envelope as IGeometry;
IMapSurround pMapSurround = pMapSurroundFrame.MapSurround;
ILegend pLegend = pMapSurround as ILegend;
pLegend.ClearItems();
pLegend.Title = "图例";
for (int i = 0; i < pActiveView.FocusMap.LayerCount; i++)
{
ILegendItem pLegendItem = new HorizontalLegendItemClass()
{
Layer = pActiveView.FocusMap.get_Layer(i),
ShowDescriptions = false,
Columns = 1,
ShowHeading = true,
ShowLabels = true
};
pLegend.AddItem(pLegendItem);
}
pGraphicsContainer.AddElement(pElement, 0);
pActiveView.PartialRefresh(esriViewDrawPhase.esriViewGraphics, null, null);
}
/// <summary>
/// Creates a new instance of the GeoPluginArgs
/// </summary>
/// <param name="map">Each Manager is associated with a single map</param>
/// <param name="legend">The legend</param>
/// <param name="mainMenu">The main menu</param>
/// <param name="mainToolStrip">The main toolstrip</param>
/// <param name="progressHandler">The progress handler</param>
/// <param name="plugins">The list of plugins controlled by the manager</param>
/// <param name="toolStripContainer">The container where any toolstrips should be added</param>
public GeoPluginArgs(IMap map, ILegend legend, MenuStrip mainMenu, ToolStrip mainToolStrip, IProgressHandler progressHandler, List<IMapPlugin> plugins, ToolStripContainer toolStripContainer)
{
_toolStripContainer = toolStripContainer;
_map = map;
_legend = legend;
_mainMenu = mainMenu;
_mainToolStrip = mainToolStrip;
_plugins = plugins;
_progressHandler = progressHandler;
}
private Point GetOffset(ILegend legend)
{
//var offset = new Point(0.5f * legend.BorderWidth + BorderMargin.Width, 0.5f * BorderWidth + BorderMargin.Height
if (legend is Legend)
{
var l = (Legend)legend;
return(new Point(2 * l.BorderMargin.Width + (int)(0.5f * l.BorderWidth) /*+ l.Padding.Width*/,
2 * l.BorderMargin.Height + (int)(0.5f * l.BorderWidth) /*+ l.Padding.Height*/));
}
return(new Point(legend.Settings.Padding));
}
int lineindex = 0;//记录目前被选中的legend的item的索引
public FrmLegendAttribute(string[] symbolstyle, IElement element, IGraphicsContainer graphicscontainer, IHookHelper hookhelper)
{
InitializeComponent();
this.EnableGlass = false;
SymbolStyle = symbolstyle;
pElement = element;
pGraphicsContainer = graphicscontainer;
m_hookHelper = hookhelper;
pActiView = m_hookHelper.PageLayout as IActiveView;
pMap = pActiView.FocusMap;
pSelectedidx = new List <int>();
pMapSurroundFrame = (IMapSurroundFrame)pElement;
Legend = pMapSurroundFrame.MapSurround as ILegend;
pMap = Legend.Map;
}
/// <summary>
/// Overloaded constructor used create an instance of the LegendModel class during serialization.
/// The public properties of this class are set by this contructor as they are obtained from the
/// ILegend interface object passed as the parameter.
/// </summary>
/// <param name="legend">Specifies the ILegend interface object to be serialized.</param>
/// <param name="chart">Specifies the IChart interface object of the parent IChart object being serialized.</param>
public LegendModel(ILegend legend, IChartBase chart)
{
Position = legend.Position;
Orientation = legend.Orientation;
Title = legend.Title;
Reversed = legend.Reversed;
#if WINFORMS
Style = StyleSerializer.StyleToString(legend.GetStyle("_"), chart as IBrushConverter);
TitleStyle = StyleSerializer.StyleToString(legend.GetStyle("_Title"), chart as IBrushConverter);
#endif
#if WPF
Style = StyleSerializer.StyleToString(legend.GetStyle(), chart as IBrushConverter);
TitleStyle = StyleSerializer.StyleToString(legend.GetStyle("Title"), chart as IBrushConverter);
#endif
}
///<summary>Add a Legend to the Page Layout from the Map.</summary>
///
///<param name="pageLayout">An IPageLayout interface.</param>
///<param name="map">An IMap interface.</param>
///<param name="posX">A System.Double that is X coordinate value in page units for the start of the Legend. Example: 2.0</param>
///<param name="posY">A System.Double that is Y coordinate value in page units for the start of the Legend. Example: 2.0</param>
///<param name="legW">A System.Double that is length in page units of the Legend in both the X and Y direction. Example: 5.0</param>
///
///<remarks></remarks>
public void AddLegend(IPageLayout pageLayout, IMap map, Double posX, Double posY, Double legW)
{
if (pageLayout == null || map == null)
{
return;
}
ESRI.ArcGIS.Carto.IGraphicsContainer graphicsContainer = pageLayout as ESRI.ArcGIS.Carto.IGraphicsContainer; // Dynamic Cast
ESRI.ArcGIS.Carto.IMapFrame mapFrame = graphicsContainer.FindFrame(map) as ESRI.ArcGIS.Carto.IMapFrame; // Dynamic Cast
ESRI.ArcGIS.esriSystem.IUID uid = new ESRI.ArcGIS.esriSystem.UIDClass();
uid.Value = "esriCarto.Legend";
ESRI.ArcGIS.Carto.IMapSurroundFrame mapSurroundFrame = mapFrame.CreateSurroundFrame((ESRI.ArcGIS.esriSystem.UID)uid, null); // Explicit Cast
//Get aspect ratio
ESRI.ArcGIS.Carto.IQuerySize querySize = mapSurroundFrame.MapSurround as ESRI.ArcGIS.Carto.IQuerySize; // Dynamic Cast
System.Double w = 0;
System.Double h = 0;
querySize.QuerySize(ref w, ref h);
System.Double aspectRatio = w / h;
//
ILegend pLegend = mapSurroundFrame.MapSurround as ILegend;
pLegend.Title = "图例";
pLegend.Format.TitlePosition = esriRectanglePosition.esriLeftSide | esriRectanglePosition.esriTopSide;
pLegend.Format.TitleSymbol = new TextSymbolClass()
{
Font = GetFontDisp(24)
};
pLegend.get_Item(0).ShowLayerName = true;
pLegend.get_Item(0).LayerNameSymbol = new TextSymbolClass()
{
Font = GetFontDisp(22)
};
pLegend.get_Item(0).LegendClassFormat.LabelSymbol = new TextSymbolClass()
{
Font = GetFontDisp(20)
};
ESRI.ArcGIS.Geometry.IEnvelope envelope = new ESRI.ArcGIS.Geometry.EnvelopeClass();
envelope.PutCoords(posX, posY, (posX * legW), (posY * legW / aspectRatio));
ESRI.ArcGIS.Carto.IElement element = mapSurroundFrame as ESRI.ArcGIS.Carto.IElement; // Dynamic Cast
element.Geometry = envelope;
graphicsContainer.AddElement(element, 0);
}
protected virtual void OnLegendFactoryChanged(EventArgs e)
{
if (_map == null || _legendFactory == null)
{
return;
}
_legend = _legendFactory.Create(_map, _legendSettings);
UpdateImage();
var handler = LegendFactoryChanged;
if (handler != null)
{
handler(this, e);
}
}
private void MakeLegend(IActiveView pActiveView, IPageLayout pPageLayout, IEnvelope pEnv)
{
UID pID = new UID();
pID.Value = "esriCarto.Legend";
IGraphicsContainer pGraphicsContainer = pPageLayout as IGraphicsContainer;
IMapFrame pMapFrame = pGraphicsContainer.FindFrame(pActiveView.FocusMap) as IMapFrame;
IMapSurroundFrame pMapSurroundFrame = pMapFrame.CreateSurroundFrame(pID, null); //根据唯一标示符，创建与之对应MapSurroundFrame
IElement pDeletElement = axPageLayoutControl1.FindElementByName("Legend"); //获取PageLayout中的图例元素
if (pDeletElement != null)
{
pGraphicsContainer.DeleteElement(pDeletElement); //如果已经存在图例，删除已经存在的图例
}
//设置MapSurroundFrame背景
ISymbolBackground pSymbolBackground = new SymbolBackgroundClass();
IFillSymbol pFillSymbol = new SimpleFillSymbolClass();
ILineSymbol pLineSymbol = new SimpleLineSymbolClass();
pLineSymbol.Color = m_OperatePageLayout.GetRgbColor(0, 0, 0);
pFillSymbol.Color = m_OperatePageLayout.GetRgbColor(240, 240, 240);
pFillSymbol.Outline = pLineSymbol;
pSymbolBackground.FillSymbol = pFillSymbol;
pMapSurroundFrame.Background = pSymbolBackground;
//添加图例
IElement pElement = pMapSurroundFrame as IElement;
pElement.Geometry = pEnv as IGeometry;
IMapSurround pMapSurround = pMapSurroundFrame.MapSurround;
ILegend pLegend = pMapSurround as ILegend;
pLegend.ClearItems();
pLegend.Title = "图例";
for (int i = 0; i < pActiveView.FocusMap.LayerCount; i++)
{
ILegendItem pLegendItem = new HorizontalLegendItemClass();
pLegendItem.Layer = pActiveView.FocusMap.get_Layer(i);//获取添加图例关联图层
pLegendItem.ShowDescriptions = false;
pLegendItem.Columns = 1;
pLegendItem.ShowHeading = true;
pLegendItem.ShowLabels = true;
pLegend.AddItem(pLegendItem);//添加图例内容
}
pGraphicsContainer.AddElement(pElement, 0);
pActiveView.PartialRefresh(esriViewDrawPhase.esriViewGraphics, null, null);
}
public LegendListener(IAppContext context, IBroadcasterService broadcaster, ILayerService layerService)
{
_context = context;
_broadcaster = broadcaster;
_layerService = layerService;
if (_broadcaster == null || _context == null || layerService == null)
{
throw new NullReferenceException("Failed to initialize map listener.");
}
_legend = _context.Legend as ILegend;
if (_legend == null)
{
throw new NullReferenceException("Legend reference is null.");
}
RegisterEvents();
}
private void button4_Click(object sender, System.EventArgs e)
{
//create the form with the SymbologyControl
Form2 symbolForm = new Form2();
//Get the IStyleGalleryItem that has been selected in the SymbologyControl
IStyleGalleryItem styleGalleryItem = symbolForm.GetItem(esriSymbologyStyleClass.esriStyleClassLinePatches);
//release the form
symbolForm.Dispose();
if (styleGalleryItem == null)
{
return;
}
//Find the legend
IElement element = axPageLayoutControl1.FindElementByName("Legend", 1);
if (element == null)
{
return;
}
//Get the IMapSurroundFrame
IMapSurroundFrame mapSurroundFrame = (IMapSurroundFrame)element;
if (mapSurroundFrame == null)
{
return;
}
//If a legend exists change the default area patch
ILegend legend = (ILegend)mapSurroundFrame.MapSurround;
legend.Format.DefaultLinePatch = (ILinePatch)styleGalleryItem.Item;
//Update the legend
legend.Refresh();
//Refresh the display
axPageLayoutControl1.ActiveView.PartialRefresh(esriViewDrawPhase.esriViewGraphics, null, null);
}
public void SetObjects(object object_0)
{
this.imapSurroundFrame_0 = object_0 as IMapSurroundFrame;
this.ilegend_0 = this.imapSurroundFrame_0.MapSurround as ILegend;
}
/// <summary>
/// Process all legend items of type T
/// </summary>
/// <typeparam name="T"></typeparam>
/// <param name="legend">Legend</param>
/// <param name="action">Action</param>
public static void ForEachRecursively <T>(this ILegend legend, Action <T> action) where T : class
{
ForEachRecursively(legend.RootNodes, action);
}
private static void old_acctor_mc()
{
m_pLegend = null;
ApplyOk = false;
InitOK = false;
}
private void SetMapFrame()//设置地图基本信息，如比例尺，图例等：
{
IGraphicsContainer pGraphicsContainer = (IGraphicsContainer)this.axPageLayoutControl1.ActiveView;
pGraphicsContainer.Reset();
IElementProperties pElementProperties = (IElementProperties)pGraphicsContainer.Next();
while (pElementProperties != null)
{
if (pElementProperties is ITextElement) //设置文本
{
ITextElement ptextElement = new TextElementClass();
ptextElement = (ITextElement)pElementProperties;
if (ptextElement.Text.Trim() == "双击添加标题" || ptextElement.Symbol.Size > 25)
{
ptextElement.Text = m_textTitle;
}
if (ptextElement.Text.Trim().Contains("坐标系"))
{
ptextElement.Text = "坐标系：" + m_textProject + "\r" + "高程系：" + m_textElevation;
}
if (ptextElement.Text.Trim().Contains("制作者"))
{
ptextElement.Text = "制图人：" + m_textName + "\r" + "制作时间：" + m_textDate;
}
}
if (pElementProperties.Type == "Map Surround Frame")
{
IMapSurroundFrame pMapSurrounFrame = pElementProperties as IMapSurroundFrame;
IElement pElement = (IElement)pElementProperties;
if (pMapSurrounFrame.MapSurround.Name.Trim() == "Legend")
{
ILegend pLegend = pMapSurrounFrame.MapSurround as ILegend;
pLegend.Map = m_Map;
// IMapSurround pMapSurround = pMapSurrounFrame.MapSurround;
//pElement = pMapSurrounFrame.MapSurround as IElement;
// pMapSurround.Map = m_Map;
// m_Map.AddMapSurround(pMapSurround);
}
if (pMapSurrounFrame.MapSurround.Name == "Alternating Scale Bar" || pMapSurrounFrame.MapSurround.Name == "Stepped Scale Line" || pMapSurrounFrame.MapSurround.Name == "Scale Line" ||
pMapSurrounFrame.MapSurround.Name == "Hollow Scale Bar" || pMapSurrounFrame.MapSurround.Name == "Single Division Scale Bar" ||
pMapSurrounFrame.MapSurround.Name == "Double Alternating Scale Bar")
{
// m_Map.MapScale = 5000;
IScaleBar pScaleBar = pMapSurrounFrame.MapSurround as IScaleBar;
pScaleBar.Map = m_Map;
pScaleBar.Units = m_Map.MapUnits;
pScaleBar.UseMapSettings();
pElement = pMapSurrounFrame.MapSurround as IElement;
}
if (pMapSurrounFrame.MapSurround.Name == "Scale Text")
{
IScaleText pScaleText = pMapSurrounFrame.MapSurround as IScaleText;
pScaleText.Map = m_Map;
}
if (pMapSurrounFrame.MapSurround.Name == "North Arrow")
{
INorthArrow pNorthArrow = pMapSurrounFrame.MapSurround as INorthArrow;
pNorthArrow.Map = m_Map;
}
}
if (pElementProperties.Type == "Data Frame")
{
IFrameElement pFrameElement = pElementProperties as IFrameElement;
IMapFrame pMapframe = pFrameElement as IMapFrame;
// pMapframe.ExtentType = esriExtentTypeEnum.esriExtentBounds;
IMapGrids pmapGrids = pMapframe as IMapGrids;
IMapGrid pMapGrid = null;
for (int i = 0; i < pmapGrids.MapGridCount; i++)
{
pMapGrid = pmapGrids.get_MapGrid(i);
//用户要求显示与否
pMapGrid.Visible = true;
}
}
pElementProperties = (IElementProperties)pGraphicsContainer.Next();
}
if (axPageLayoutControl1.Page.Orientation == 2)
{
IPaper paper;
paper = new PaperClass(); //create a paper object
IPrinter printer;
printer = new EmfPrinterClass(); //create a printer object
paper.Attach(pageSetupDialog1.PrinterSettings.GetHdevmode(pageSetupDialog1.PageSettings).ToInt32(), pageSetupDialog1.PrinterSettings.GetHdevnames().ToInt32());
paper.Orientation = 2;
printer.Paper = paper;
axPageLayoutControl1.Printer = printer;
pageSetupDialog1.PageSettings.Landscape = true;
pageSetupDialog1.AllowOrientation = true;
}
if (axPageLayoutControl1.Page.Orientation == 1 && axPageLayoutControl1.Printer.Paper.Orientation == 2)
{
IPaper paper;
paper = new PaperClass(); //create a paper object
IPrinter printer;
printer = new EmfPrinterClass(); //create a printer object
paper.Attach(pageSetupDialog1.PrinterSettings.GetHdevmode(pageSetupDialog1.PageSettings).ToInt32(), pageSetupDialog1.PrinterSettings.GetHdevnames().ToInt32());
paper.Orientation = 1;
printer.Paper = paper;
axPageLayoutControl1.Printer = printer;
pageSetupDialog1.PageSettings.Landscape = false;
pageSetupDialog1.AllowOrientation = true;
}
}
private void Awake()
{
legend = transform.Find("Legend").GetComponent <Legend>();
axes = transform.Find("Axes").GetComponent <Axes>();
Series = new SeriesCollection();
}
/// <summary>
/// Creates a new instance of Layers
/// </summary>
public Layers(ILegend inLegend)
{
_legend = inLegend;
}
// 添加图例
private void AddLegend()
{
IActiveView pActiveView = axPageLayoutControl_main.ActiveView;
IGraphicsContainer pGC = axPageLayoutControl_main.PageLayout as IGraphicsContainer;
UID pUID = new UIDClass()
{
Value = "esriCarto.Legend"
};
IMapFrame pMapFrame = pGC.FindFrame(pActiveView.FocusMap) as IMapFrame;
// 根据唯一标识符，创建与之对应的MapSurroundFrame
IMapSurroundFrame pMapSurroundFrame = pMapFrame.CreateSurroundFrame(pUID, null);
// 检查PageLayout中是否已有图例（有则删除）
IElement pDelElement = axPageLayoutControl_main.FindElementByName("Legend");
if (pDelElement != null)
{
pGC.DeleteElement(pDelElement);
}
// 设置MapSurroundFrame背景
ISymbolBackground pSymbolBackground = new SymbolBackgroundClass()
{
FillSymbol = new SimpleFillSymbolClass()
{
Color = GetRgbColor(240, 240, 240),
Outline = new SimpleLineSymbolClass()
{
Color = GetRgbColor(0, 0, 0),
Width = 1
}
}
};
pMapSurroundFrame.Background = pSymbolBackground;
// 添加图例
IElement pElement = pMapSurroundFrame as IElement;
IEnvelope pEnv = axPageLayoutControl_main.Extent;
pEnv.XMin += 2;
pEnv.YMin += 3;
pElement.Geometry = pEnv;
IMapSurround pMapSurround = pMapSurroundFrame.MapSurround;
ILegend pLegend = pMapSurround as ILegend;
pLegend.ClearItems();
pLegend.Title = "图例";
for (int i = 0; i < pActiveView.FocusMap.LayerCount; i++)
{
ILegendItem pLegendItem = new HorizontalLegendItemClass()
{
Layer = pActiveView.FocusMap.get_Layer(i),
ShowDescriptions = false,
Columns = 1,
ShowHeading = true,
ShowLabels = true
};
pLegend.AddItem(pLegendItem);
}
pGC.AddElement(pElement, 0);
pActiveView.PartialRefresh(esriViewDrawPhase.esriViewGraphics, null, null);
}
/// <summary>
/// given a new map, replaces the PageLayoutControl and the MapControl's focus map
/// </summary>
/// <param name="newMap"></param>
public void ReplaceMap(IMap newMap)
{
if (newMap == null)
{
throw new Exception("ControlsSynchronizer::ReplaceMap:\r\nNew map for replacement is not initialized!");
}
if (m_pageLayoutControl == null || m_mapControl == null)
{
throw new Exception("ControlsSynchronizer::ReplaceMap:\r\nEither MapControl or PageLayoutControl are not initialized!");
}
bool bIsMapActive = m_IsMapCtrlactive;
#region 地图重置前记录所有图例的items
//////////////////////////////////////////////////////////////////////////
//ReplaceMap后会引起Legend的Map为null，重置map后会引起Item变化
ArrayList pMaps = new ArrayList(); //记录Legend对应的地图
ArrayList pCount = new ArrayList(); //记录每个Legend内部Items的数量
ArrayList pLegendItems = new ArrayList(); //记录items
IGraphicsContainer pGC = m_pageLayoutControl.ActiveView.GraphicsContainer;
pGC.Reset();
IElement pElement = pGC.Next();
ILegend pLegend = null;
while (pElement != null)
{
IElementProperties pElementProperties = pElement as IElementProperties;
if (pElementProperties == null)
{
continue;
}
if (pElementProperties.Name == "Legend" || pElementProperties.Name == "图例")
{
IMapSurroundFrame pMapSurroundFrame = pElement as IMapSurroundFrame;
pLegend = pMapSurroundFrame.MapSurround as ILegend;
if (pLegend != null)
{
for (int i = 0; i < pLegend.ItemCount; i++)
{
pLegendItems.Add(pLegend.get_Item(i));
}
pCount.Add(pLegend.ItemCount);
pMaps.Add(pLegend.Map);
}
}
pElement = pGC.Next();
}
#endregion
//////////////////////////////////////////////////////////////////////////
//call replace map on the PageLayout in order to replace the focus map
//we must call ActivatePageLayout, since it is the control we call 'ReplaceMaps'
this.ActivatePageLayout();
//assign the new map to the MapControl
m_mapControl.Map = newMap;
#region 重置后恢复图例的items
pGC.Reset();
int nIndex = 0;
int nItemStart = 0;
pElement = pGC.Next();
while (pElement != null)
{
IElementProperties pElementProperties = pElement as IElementProperties;
if (pElementProperties == null)
{
continue;
}
if (pElementProperties.Name == "Legend" || pElementProperties.Name == "图例")
{
IMapSurroundFrame pMapSurroundFrame = pElement as IMapSurroundFrame;
pLegend = pMapSurroundFrame.MapSurround as ILegend;
if (pLegend != null)
{
if (pLegend.Map == null)
{
pLegend.Map = pMaps[nIndex] as IMap;
if (pLegend.ItemCount != (int)pCount[nIndex])
{
for (int i = pLegend.ItemCount - 1; i >= 0; i--)
{
if (!FindItem(pLegendItems, nItemStart, (int)nItemStart + (int)pCount[nIndex], pLegend.get_Item(i)))//如果原来没有则删除
{
pLegend.RemoveItem(i);
}
}
}
}
nItemStart += (int)pCount[nIndex];
nIndex++;
}
}
pElement = pGC.Next();
}
#endregion
//reset the active tools
m_pageLayoutActiveTool = null;
m_mapActiveTool = null;
//make sure that the last active control is activated
if (bIsMapActive)
{
this.ActivateMap();
m_mapControl.ActiveView.Refresh();
}
else
{
this.ActivatePageLayout();
m_pageLayoutControl.ActiveView.Refresh();
}
}
private void LegendWizard_Load(object sender, EventArgs e)
{
if (m_pageLayoutControl.ActiveView.FocusMap == null)
{
MessageBox.Show("请先添加地图");
return;
}
#region //点击 添加图例按钮 或在 PageLayoutControl中双击图例时
if (mapSurroundFrame == null) //当点击 添加图例按钮 或在 PageLayoutControl中双击图例时 先创建图例 或从地图上获得已经添加的图例；
{
//Get the GraphicsContainer
IGraphicsContainer graphicsContainer = m_pageLayoutControl.GraphicsContainer;
graphicsContainer.Reset();
IElementProperties pElementPerties = graphicsContainer.Next() as IElementProperties;
//Get the MapFrame
IMapFrame mapFrame = (IMapFrame)graphicsContainer.FindFrame(m_pageLayoutControl.ActiveView.FocusMap);
if (mapFrame == null) return;
while (pElementPerties != null) //从地图中获得已有的图例
{
if (pElementPerties.Type == "Map Surround Frame")
{
pMapSurrounFrame = pElementPerties as IMapSurroundFrame;
if (pMapSurrounFrame.MapSurround.Name == "Legend")
{
m_legend = pMapSurrounFrame.MapSurround as ILegend;
break;
}
}
pElementPerties = (IElementProperties)graphicsContainer.Next();
}
if (m_legend == null) //当地图中没有添加图例时 创建新图例
{
//Create a legend
UID uID = new UIDClass();
uID.Value = "esriCarto.Legend";
//Create a MapSurroundFrame from the MapFrame
mapSurroundFrame = mapFrame.CreateSurroundFrame(uID, null);
if (mapSurroundFrame == null) return;
if (mapSurroundFrame.MapSurround == null) return;
m_legend = mapSurroundFrame.MapSurround as ILegend;
}
else
{
mapSurroundFrame = pMapSurrounFrame;
}
UID m_uid = new UIDClass();
m_uid.Value = "{34C20002-4D3C-11D0-92D8-00805F7C28B0}";
m_mapLayers = m_mapControl.Map as IMapLayers;
m_emuLayer = m_mapLayers.get_Layers(m_uid, true);//获取图层
if (m_emuLayer != null)
{
m_emuLayer.Reset();
ILayer m_layer = null;
while ((m_layer = m_emuLayer.Next()) != null)
{
this.listBox1.Items.Add(m_layer.Name);//将图层名添加到图例备选项中
}
}
}
#endregion
else //在双击任意范围打印框中图例时，获得图例，及图层信息；
{
if (m_Map == null)
{
MessageBox.Show("请先添加地图！");
}
for (int k = 0; k < m_Map.LayerCount; k++)
{
listBox1.Items.Add(m_Map.get_Layer(k).Name.ToString());
}
m_legend = mapSurroundFrame .MapSurround as ILegend;
}
//以下设置需要用到的变量 及初始化 对话框
plegendFormat = m_legend.Format as ILegendFormat; //设置图例格式需要用到的
pTextSymbol = new TextSymbolClass();
pTextSymbol.Size = 10;
pTextSymbol.HorizontalAlignment = esriTextHorizontalAlignment.esriTHALeft; //初始化图例标签的文本格式
if (m_legend.Title != null)
textBox1.Text = m_legend.Title.ToString(); //初始化对话框中的文本框 文本
else
textBox1.Text = "Legend";
this.textBoxWidth.Text = "36";
this.textBoxHeight.Text = "15";
IMapSurround mapSurround = m_legend as IMapSurround;
mapSurroundFrame.MapSurround = mapSurround;
m_FrameProperties = (IFrameProperties)mapSurroundFrame;
ISymbolBackground pSymbolBack = m_FrameProperties.Background as ISymbolBackground;
ISymbolBorder pSymbolBorder = m_FrameProperties.Border as ISymbolBorder;
ISymbolShadow pSymbolShadow = m_FrameProperties.Shadow as ISymbolShadow;
if (pSymbolBack !=null )
this.btnBackGroundColor.BackColor =ColorTranslator.FromOle ( pSymbolBack.FillSymbol.Color.RGB ) ;
if (pSymbolBorder != null)
this.btnBolderColor.BackColor = ColorTranslator.FromOle(pSymbolBorder.LineSymbol.Color.RGB);
if (pSymbolShadow != null)
this.btnShadowColor.BackColor = ColorTranslator.FromOle(pSymbolShadow.FillSymbol.Color.RGB);
}
private void LegendWizard_Load(object sender, EventArgs e)
{
if (m_pageLayoutControl.ActiveView.FocusMap == null)
{
MessageBox.Show("请先添加地图");
return;
}
#region //点击 添加图例按钮 或在 PageLayoutControl中双击图例时
if (mapSurroundFrame == null) //当点击 添加图例按钮 或在 PageLayoutControl中双击图例时 先创建图例 或从地图上获得已经添加的图例；
{
//Get the GraphicsContainer
IGraphicsContainer graphicsContainer = m_pageLayoutControl.GraphicsContainer;
graphicsContainer.Reset();
IElementProperties pElementPerties = graphicsContainer.Next() as IElementProperties;
//Get the MapFrame
IMapFrame mapFrame = (IMapFrame)graphicsContainer.FindFrame(m_pageLayoutControl.ActiveView.FocusMap);
if (mapFrame == null)
{
return;
}
while (pElementPerties != null) //从地图中获得已有的图例
{
if (pElementPerties.Type == "Map Surround Frame")
{
pMapSurrounFrame = pElementPerties as IMapSurroundFrame;
if (pMapSurrounFrame.MapSurround.Name == "Legend")
{
m_legend = pMapSurrounFrame.MapSurround as ILegend;
break;
}
}
pElementPerties = (IElementProperties)graphicsContainer.Next();
}
if (m_legend == null) //当地图中没有添加图例时 创建新图例
{
//Create a legend
UID uID = new UIDClass();
uID.Value = "esriCarto.Legend";
//Create a MapSurroundFrame from the MapFrame
mapSurroundFrame = mapFrame.CreateSurroundFrame(uID, null);
if (mapSurroundFrame == null)
{
return;
}
if (mapSurroundFrame.MapSurround == null)
{
return;
}
m_legend = mapSurroundFrame.MapSurround as ILegend;
}
else
{
mapSurroundFrame = pMapSurrounFrame;
}
UID m_uid = new UIDClass();
m_uid.Value = "{34C20002-4D3C-11D0-92D8-00805F7C28B0}";
m_mapLayers = m_mapControl.Map as IMapLayers;
m_emuLayer = m_mapLayers.get_Layers(m_uid, true);//获取图层
if (m_emuLayer != null)
{
m_emuLayer.Reset();
ILayer m_layer = null;
while ((m_layer = m_emuLayer.Next()) != null)
{
this.listBox1.Items.Add(m_layer.Name);//将图层名添加到图例备选项中
}
}
}
#endregion
else //在双击任意范围打印框中图例时，获得图例，及图层信息；
{
if (m_Map == null)
{
MessageBox.Show("请先添加地图！");
}
for (int k = 0; k < m_Map.LayerCount; k++)
{
listBox1.Items.Add(m_Map.get_Layer(k).Name.ToString());
}
m_legend = mapSurroundFrame.MapSurround as ILegend;
}
//以下设置需要用到的变量 及初始化 对话框
plegendFormat = m_legend.Format as ILegendFormat; //设置图例格式需要用到的
pTextSymbol = new TextSymbolClass();
pTextSymbol.Size = 10;
pTextSymbol.HorizontalAlignment = esriTextHorizontalAlignment.esriTHALeft; //初始化图例标签的文本格式
if (m_legend.Title != null)
{
textBox1.Text = m_legend.Title.ToString(); //初始化对话框中的文本框 文本
}
else
{
textBox1.Text = "Legend";
}
this.textBoxWidth.Text = "36";
this.textBoxHeight.Text = "15";
IMapSurround mapSurround = m_legend as IMapSurround;
mapSurroundFrame.MapSurround = mapSurround;
m_FrameProperties = (IFrameProperties)mapSurroundFrame;
ISymbolBackground pSymbolBack = m_FrameProperties.Background as ISymbolBackground;
ISymbolBorder pSymbolBorder = m_FrameProperties.Border as ISymbolBorder;
ISymbolShadow pSymbolShadow = m_FrameProperties.Shadow as ISymbolShadow;
if (pSymbolBack != null)
{
this.btnBackGroundColor.BackColor = ColorTranslator.FromOle(pSymbolBack.FillSymbol.Color.RGB);
}
if (pSymbolBorder != null)
{
this.btnBolderColor.BackColor = ColorTranslator.FromOle(pSymbolBorder.LineSymbol.Color.RGB);
}
if (pSymbolShadow != null)
{
this.btnShadowColor.BackColor = ColorTranslator.FromOle(pSymbolShadow.FillSymbol.Color.RGB);
}
}
public LegendHitTester(ILegend legend, Panel panel)
{
_legend = legend;
_panel = panel;
}
