layervisibility.cs

ui form windows csharp

// Copyright 2006 ESRI
//
// All rights reserved under the copyright laws of the United States
// and applicable international laws, treaties, and conventions.
//
// You may freely redistribute and use this sample code, with or
// without modification, provided you include the original copyright
// notice and use restrictions.
//
// See use restrictions at /arcgis/developerkit/userestrictions.

using ESRI.ArcGIS.ADF.BaseClasses;
using ESRI.ArcGIS.Controls;
using ESRI.ArcGIS.Carto;
using ESRI.ArcGIS.SystemUI;

namespace UI
{
    public sealed class LayerVisibility : BaseCommand, ICommandSubType
    {
        private IHookHelper m_hookHelper = new HookHelperClass();
        private long m_subType;

        public LayerVisibility()
        {
        }

        public override void OnClick()
        {
            for (int i = 0; i <= m_hookHelper.FocusMap.LayerCount - 1; i++)
            {
                if (m_subType == 1) m_hookHelper.FocusMap.get_Layer(i).Visible = true;
                if (m_subType == 2) m_hookHelper.FocusMap.get_Layer(i).Visible = false;
            }
            m_hookHelper.ActiveView.PartialRefresh(esriViewDrawPhase.esriViewGeography, null, null);
        }

        public override void OnCreate(object hook)
        {
            m_hookHelper.Hook = hook;
        }

        public int GetCount()
        {
            return 2;
        }

        public void SetSubType(int SubType)
        {
            m_subType = SubType;
        }

        public override string Caption
        {
            get
            {
                if (m_subType == 1) return "Turn All Layers On";
                else return "Turn All Layers Off";
            }
        }

        public override bool Enabled
        {
            get
            {
                bool enabled = false; int i;
                if (m_subType == 1)
                {
                    for (i = 0; i <= m_hookHelper.FocusMap.LayerCount - 1; i++)
                    {
                        if (m_hookHelper.ActiveView.FocusMap.get_Layer(i).Visible == false)
                        {
                            enabled = true;
                            break;
                        }
                    }
                }
                else
                {
                    for (i = 0; i <= m_hookHelper.FocusMap.LayerCount - 1; i++)
                    {
                        if (m_hookHelper.ActiveView.FocusMap.get_Layer(i).Visible == true)
                        {
                            enabled = true;
                            break;
                        }
                    }
                }
                return enabled;
            }
        }
    }
    public sealed class LayerSelectable : BaseCommand, ICommandSubType
    {
        private IMapControl3 m_mapControl;
        private long m_subType;

        public LayerSelectable()
        {
        }

        public override void OnClick()
        {
            IFeatureLayer layer = (IFeatureLayer)m_mapControl.CustomProperty;
            if (m_subType == 1) layer.Selectable = true;
            if (m_subType == 2) layer.Selectable = false;
        }

        public override void OnCreate(object hook)
        {
            m_mapControl = (IMapControl3)hook;
        }

        public override bool Enabled
        {
            get
            {
                ILayer layer = (ILayer)m_mapControl.CustomProperty;
                if (layer is IFeatureLayer)
                {
                    IFeatureLayer featureLayer = (IFeatureLayer)layer;
                    if (m_subType == 1) return !featureLayer.Selectable;
                    else return featureLayer.Selectable;
                }
                else
                {
                    return false;
                }
            }
        }

        public int GetCount()
        {
            return 2;
        }

        public void SetSubType(int SubType)
        {
            m_subType = SubType;
        }

        public override string Caption
        {
            get
            {
                if (m_subType == 1) return "Layer Selectable";
                else return "Layer Unselectable";
            }
        }
    }
    public sealed class RemoveLayer : BaseCommand
    {
        private IMapControl3 m_mapControl;

        public RemoveLayer()
        {
            base.m_caption = "Remove Layer";
        }

        public override void OnClick()
        {
            ILayer layer = (ILayer)m_mapControl.CustomProperty;
            m_mapControl.Map.DeleteLayer(layer);
        }

        public override void OnCreate(object hook)
        {
            m_mapControl = (IMapControl3)hook;
        }

    }
    public class ScaleThresholds : BaseCommand, ICommandSubType
    {
        private IMapControl3 m_mapControl;
        private long m_subType;

        public ScaleThresholds()
        {

        }

        public override void OnClick()
        {
            ILayer layer = (ILayer)m_mapControl.CustomProperty;
            if (m_subType == 1) layer.MaximumScale = m_mapControl.MapScale;
            if (m_subType == 2) layer.MinimumScale = m_mapControl.MapScale;
            if (m_subType == 3)
            {
                layer.MaximumScale = 0;
                layer.MinimumScale = 0;
            }
            m_mapControl.Refresh(esriViewDrawPhase.esriViewGeography, null, null);
        }

        public override void OnCreate(object hook)
        {
            m_mapControl = (IMapControl3)hook;
        }

        public int GetCount()
        {
            return 3;
        }

        public void SetSubType(int SubType)
        {
            m_subType = SubType;
        }

        public override string Caption
        {
            get
            {
                if (m_subType == 1) return "Set Maximum Scale";
                else if (m_subType == 2) return "Set Minimum Scale";
                else return "Remove Scale Thresholds";
            }
        }

        public override bool Enabled
        {
            get
            {
                bool enabled = true;
                ILayer layer = (ILayer)m_mapControl.CustomProperty;

                if (m_subType == 3)
                {
                    if ((layer.MaximumScale == 0) & (layer.MinimumScale == 0)) enabled = false;
                }
                return enabled;
            }
        }
    }


    public sealed class ZoomToLayer : BaseCommand
    {
        private IMapControl3 m_mapControl;

        public ZoomToLayer()
        {
            base.m_caption = "Zoom To Layer";
        }

        public override void OnClick()
        {
            ILayer layer = (ILayer)m_mapControl.CustomProperty;
            m_mapControl.Extent = layer.AreaOfInterest;
        }

        public override void OnCreate(object hook)
        {
            m_mapControl = (IMapControl3)hook;
        }
    }
}