Ejemplo n.º 1
0
        public bool OnContextMenu(int x, int y)
        {
            System.Drawing.Point pt = this.PointToClient(System.Windows.Forms.Cursor.Position);

            //Get the active category
            IEngineNAWindowCategory2 activeCategory = m_naWindow.ActiveCategory as IEngineNAWindowCategory2;

            if (activeCategory == null)
            {
                return(false);
            }

            MenuItem separator = new MenuItem("-");

            miLoadLocations.Enabled  = false;
            miClearLocations.Enabled = false;

            // in order for the AddItem choice to appear in the context menu, the class
            // should be an input class, and it should not be editable
            INAClassDefinition pNAClassDefinition = activeCategory.NAClass.ClassDefinition;

            if (pNAClassDefinition.IsInput)
            {
                miLoadLocations.Enabled  = true;
                miClearLocations.Enabled = true;

                // canEditShape should be false for AddItem to Apply (default is false)
                // if it's a StandaloneTable canEditShape is implicitly false (there's no shape to edit)
                bool    canEditShape = false;
                IFields pFields      = pNAClassDefinition.Fields;
                int     nField       = -1;
                nField = pFields.FindField("Shape");
                if (nField >= 0)
                {
                    int naFieldType = 0;
                    naFieldType = pNAClassDefinition.get_FieldType("Shape");

                    // determining whether or not the shape field can be edited consists of running a bitwise comparison
                    // on the FieldType of the shape field.  See the online help for a list of the possible field types.
                    // For our case, we want to verify that the shape field is an input field.  If it is an input field,
                    // then we do NOT want to display the Add Item menu option.
                    canEditShape = ((naFieldType & (int)esriNAFieldType.esriNAFieldTypeInput) == (int)esriNAFieldType.esriNAFieldTypeInput) ? true : false;
                }

                if (!canEditShape)
                {
                    contextMenu1.MenuItems.Add(separator);
                    contextMenu1.MenuItems.Add(miAddItem);
                }
            }

            contextMenu1.Show(this, pt);

            // even if the miAddItem menu item has not been added, Remove() won't crash.
            contextMenu1.MenuItems.Remove(separator);
            contextMenu1.MenuItems.Remove(miAddItem);

            return(true);
        }
Ejemplo n.º 2
0
        public bool ShowModal(IMapControl3 mapControl, IEngineNetworkAnalystEnvironment naEnv)
        {
            // Initialize variables
            m_okClicked        = false;
            m_listDisplayTable = new System.Collections.ArrayList();

            // Get the NALayer and NAContext
            INALayer   naLayer   = naEnv.NAWindow.ActiveAnalysis;
            INAContext naContext = naLayer.Context;

            //Get the active category
            IEngineNAWindowCategory2 activeCategory = naEnv.NAWindow.ActiveCategory as IEngineNAWindowCategory2;

            if (activeCategory == null)
            {
                return(false);
            }

            INAClass   naClass    = activeCategory.NAClass;
            IDataset   naDataset  = naClass as IDataset;
            IDataLayer pDataLayer = activeCategory.DataLayer;

            ILayer           pLayer           = pDataLayer as ILayer;
            IFeatureLayer    pFeatureLayer    = pDataLayer as IFeatureLayer;
            IStandaloneTable pStandaloneTable = pDataLayer as IStandaloneTable;

            esriGeometryType targetGeoType = esriGeometryType.esriGeometryNull;

            String dataLayerName = "";

            if (pFeatureLayer != null)
            {
                if (pLayer.Valid)
                {
                    IFeatureClass pFeatureClass = pFeatureLayer.FeatureClass;
                    if (pFeatureClass != null)
                    {
                        targetGeoType = pFeatureClass.ShapeType;
                        dataLayerName = pLayer.Name;
                    }
                }
            }
            else if (pStandaloneTable != null)
            {
                dataLayerName = pStandaloneTable.Name;
            }

            if (dataLayerName.Length == 0)
            {
                return(false);
            }

            this.Text = "Load Items into " + dataLayerName;

            // Loop through all the sourcedisplayTables having targetGeoType to the combo box and the
            // list of displayTables

            IEnumLayer    sourceLayers       = null;
            ILayer        sourceLayer        = null;
            IDisplayTable sourceDisplayTable = null;
            UID           searchInterfaceUID = new UID();

            if (targetGeoType != esriGeometryType.esriGeometryNull)
            {
                searchInterfaceUID.Value = typeof(IFeatureLayer).GUID.ToString("B");
                sourceLayers             = mapControl.Map.get_Layers(searchInterfaceUID, true);

                sourceLayer = sourceLayers.Next();
                while (sourceLayer != null)
                {
                    IFeatureLayer sourceFeatureLayer = sourceLayer as IFeatureLayer;
                    sourceDisplayTable = sourceLayer as IDisplayTable;

                    if ((sourceFeatureLayer != null) && (sourceDisplayTable != null))
                    {
                        IFeatureClass    sourceFeatureClass = sourceFeatureLayer.FeatureClass;
                        esriGeometryType sourceGeoType      = sourceFeatureClass.ShapeType;
                        if ((sourceGeoType == targetGeoType) ||
                            (targetGeoType == esriGeometryType.esriGeometryPoint && sourceGeoType == esriGeometryType.esriGeometryMultipoint))
                        {
                            // Add the layer name to the combobox and the layer to the list
                            cboInputData.Items.Add(sourceLayer.Name);
                            m_listDisplayTable.Add(sourceDisplayTable);
                        }
                    }

                    sourceLayer = sourceLayers.Next();
                }
            }
            else //if (targetGeoType == esriGeometryType.esriGeometryNull)
            {
                IStandaloneTableCollection sourceStandaloneTables = mapControl.Map as IStandaloneTableCollection;
                IStandaloneTable           sourceStandaloneTable  = null;
                sourceDisplayTable = null;

                int count = 0;
                if (sourceStandaloneTables != null)
                {
                    count = sourceStandaloneTables.StandaloneTableCount;
                }

                for (int i = 0; i < count; ++i)
                {
                    sourceStandaloneTable = sourceStandaloneTables.get_StandaloneTable(i);
                    sourceDisplayTable    = sourceStandaloneTable as IDisplayTable;

                    if ((sourceStandaloneTable != null) && (sourceDisplayTable != null))
                    {
                        // Add the table name to the combobox and the layer to the list
                        cboInputData.Items.Add(sourceStandaloneTable.Name);
                        m_listDisplayTable.Add(sourceDisplayTable);
                    }
                }

                searchInterfaceUID.Value = typeof(INALayer).GUID.ToString("B");
                sourceLayers             = mapControl.Map.get_Layers(searchInterfaceUID, true);

                sourceLayer = sourceLayers.Next();
                while (sourceLayer != null)
                {
                    INALayer sourceNALayer = sourceLayer as INALayer;
                    if (sourceNALayer != null)
                    {
                        sourceStandaloneTables = sourceNALayer as IStandaloneTableCollection;
                        sourceStandaloneTable  = null;
                        sourceDisplayTable     = null;

                        count = 0;
                        if (sourceStandaloneTables != null)
                        {
                            count = sourceStandaloneTables.StandaloneTableCount;
                        }

                        for (int i = 0; i < count; ++i)
                        {
                            sourceStandaloneTable = sourceStandaloneTables.get_StandaloneTable(i);
                            sourceDisplayTable    = sourceStandaloneTable as IDisplayTable;

                            if ((sourceStandaloneTable != null) && (sourceDisplayTable != null))
                            {
                                // Add the table name to the combobox and the layer to the list
                                cboInputData.Items.Add(sourceStandaloneTable.Name);
                                m_listDisplayTable.Add(sourceDisplayTable);
                            }
                        }
                    }

                    sourceLayer = sourceLayers.Next();
                }
            }

            //Select the first display table from the list
            if (cboInputData.Items.Count > 0)
            {
                cboInputData.SelectedIndex = 0;
            }

            // Show the window
            this.ShowDialog();

            // If we selected a layer and clicked OK, load the locations
            if (m_okClicked && (cboInputData.SelectedIndex >= 0))
            {
                // Get a cursor on the source display table (either though the selection set or table)
                // Use IDisplayTable because it accounts for joins, querydefs, etc.
                // IDisplayTable is implemented by FeatureLayers and StandaloneTables.
                //
                IDisplayTable displayTable = m_listDisplayTable[cboInputData.SelectedIndex] as IDisplayTable;
                ICursor       cursor;
                if (chkUseSelection.Checked)
                {
                    ISelectionSet selSet;
                    selSet = displayTable.DisplaySelectionSet;
                    selSet.Search(null, false, out cursor);
                }
                else
                {
                    cursor = displayTable.SearchDisplayTable(null, false);
                }

                // Setup NAClassLoader and Load Locations
                INAClassLoader2 naClassLoader = new NAClassLoader() as INAClassLoader2;
                naClassLoader.Initialize(naContext, naDataset.Name, cursor);

                // Avoid loading network locations onto non-traversable portions of elements
                INALocator3 locator = naContext.Locator as INALocator3;
                locator.ExcludeRestrictedElements = true;
                locator.CacheRestrictedElements(naContext);

                int rowsIn      = 0;
                int rowsLocated = 0;
                naClassLoader.Load(cursor, null, ref rowsIn, ref rowsLocated);

                return(true);
            }

            return(false);
        }
Ejemplo n.º 3
0
        private void miAddItem_Click(object sender, System.EventArgs e)
        {
            //可以双击该项来编辑属性
            //只为新项填充initDefaultValues方法中的默认值和自动生成的名称值。

            IMapControl3 mapControl = (IMapControl3)axMapControl1.Object;

            IEngineNAWindowCategory2 activeCategory = m_naWindow.ActiveCategory as IEngineNAWindowCategory2;
            IDataLayer pDataLayer = activeCategory.DataLayer;
            // 在类中创建一个新行并填充并初始默认值
            ITable       table       = pDataLayer as ITable;
            IRow         row         = table.CreateRow();
            IRowSubtypes rowSubtypes = row as IRowSubtypes;

            rowSubtypes.InitDefaultValues();
            // 自动生成显示名称
            IFeatureLayer    ipFeatureLayer    = activeCategory.Layer as IFeatureLayer;
            IStandaloneTable ipStandaloneTable = pDataLayer as IStandaloneTable;
            string           name = "";

            if (ipFeatureLayer != null)
            {
                name = ipFeatureLayer.DisplayField;
            }
            else if (ipStandaloneTable != null)
            {
                name = ipStandaloneTable.DisplayField;
            }
            //如果显示字段为空字符串或不代表NaClass上的实际字段,则跳过自动生成
            string currentName = "";
            int    fieldIndex  = row.Fields.FindField(name);

            if (fieldIndex >= 0)
            {
                currentName = row.get_Value(fieldIndex) as string;
                if (currentName.Length <= 0)
                {
                    row.set_Value(fieldIndex, "Item" + ++autogenInt);
                }
            }
            INAClassDefinition naClassDef = activeCategory.NAClass.ClassDefinition;

            if (naClassDef.Name == "OrderPairs")
            {
                fieldIndex = row.Fields.FindField("SecondOrderName");
                if (fieldIndex >= 0)
                {
                    string secondName = row.get_Value(fieldIndex) as string;
                    if (secondName.Length <= 0)
                    {
                        row.set_Value(fieldIndex, "Item" + ++autogenInt);
                    }
                }
            }
            row.Store();

            // 向naclass添加项
            INAContextEdit contextEdit = m_naEnv.NAWindow.ActiveAnalysis.Context as INAContextEdit;

            contextEdit.ContextChanged();

            // 刷新 NAWindow 和屏幕界面
            INALayer naLayer = m_naWindow.ActiveAnalysis;

            mapControl.Refresh(esriViewDrawPhase.esriViewGeography, naLayer, mapControl.Extent);
            m_naWindow.UpdateContent(m_naWindow.ActiveCategory);
        }
Ejemplo n.º 4
0
        private void addItemToolStripMenuItem_Click(object sender, EventArgs e)
        {
            IMapControl3 mapControl = (IMapControl3)axMapControl1.Object;

            IEngineNAWindowCategory2 activeCategory = m_naWindow.ActiveCategory as IEngineNAWindowCategory2;
            IDataLayer pDataLayer = activeCategory.DataLayer;

            // In order to add an item, we need to create a new row in the class and populate it
            // with the initial default values for that class.
            ITable       table       = pDataLayer as ITable;
            IRow         row         = table.CreateRow();
            IRowSubtypes rowSubtypes = row as IRowSubtypes;

            rowSubtypes.InitDefaultValues();

            IFeatureLayer    ipFeatureLayer    = activeCategory.Layer as IFeatureLayer;
            IStandaloneTable ipStandaloneTable = pDataLayer as IStandaloneTable;
            string           name = "";

            if (ipFeatureLayer != null)
            {
                name = ipFeatureLayer.DisplayField;
            }
            else if (ipStandaloneTable != null)
            {
                name = ipStandaloneTable.DisplayField;
            }

            string currentName = "";
            int    fieldIndex  = row.Fields.FindField(name);

            if (fieldIndex >= 0)
            {
                currentName = row.get_Value(fieldIndex) as string;
                if (currentName.Length <= 0)
                {
                    row.set_Value(fieldIndex, "Item" + ++autogenInt);
                }
            }

            INAClassDefinition naClassDef = activeCategory.NAClass.ClassDefinition;

            if (naClassDef.Name == "OrderPairs")
            {
                fieldIndex = row.Fields.FindField("SecondOrderName");
                if (fieldIndex >= 0)
                {
                    string secondName = row.get_Value(fieldIndex) as string;
                    if (secondName.Length <= 0)
                    {
                        row.set_Value(fieldIndex, "Item" + ++autogenInt);
                    }
                }
            }

            row.Store();

            // notify that the context has changed because we have added an item to a NAClass within it
            INAContextEdit contextEdit = m_naEnv.NAWindow.ActiveAnalysis.Context as INAContextEdit;

            contextEdit.ContextChanged();

            // refresh the NAWindow and the Screen
            INALayer naLayer = m_naWindow.ActiveAnalysis;

            mapControl.Refresh(esriViewDrawPhase.esriViewGeography, naLayer, mapControl.Extent);
            m_naWindow.UpdateContent(m_naWindow.ActiveCategory);
        }