LazMapViewer: Extend TLegalNoticePlugin to support embedded links and line-breaks. Update demos.
git-svn-id: https://svn.code.sf.net/p/lazarus-ccr/svn@9553 8e941d3f-bd1b-0410-a28a-d453659cc2b4
This commit is contained in:
wp_xxyyzz
parent
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commit
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@ -25,8 +25,7 @@ object MainForm: TMainForm
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Left = 427
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Top = 141
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object LegalNoticePlugin: TLegalNoticePlugin
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LegalNotice = '(c) OpenStreetMap and contributors'
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LegalNoticeURL = 'https://www.openstreetmap.org'
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LegalNotice = '[https://www.openstreetmap.org (c) OpenStreetMap and contributors]'
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end
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object DraggableMarkerPlugin: TDraggableMarkerPlugin
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end
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@ -26,7 +26,6 @@ object MainForm: TMainForm
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MapCenter.Latitude = 49
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PluginManager = PluginManager
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POIImages = ImageList1
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UseThreads = True
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Zoom = 3
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OnMouseUp = MapViewMouseUp
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end
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@ -79,7 +79,7 @@ const
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DELTA = 5; // Tolerance of the HitTest
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var
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layer: TMapLayer;
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poi: TPointOfInterest;
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poi: TMapPointOfInterest;
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RP: TRealPoint;
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area: TRealArea;
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list: TMapObjectList;
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@ -97,7 +97,7 @@ begin
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try
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if (list = nil) then
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begin
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poi := TPointOfInterest(layer.PointsOfInterest.Add);
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poi := TMapPointOfInterest(layer.PointsOfInterest.Add);
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poi.Caption := 'Test ' + IntToStr(layer.PointsOfInterest.Count);
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poi.ImageIndex := Random(ImageList1.Count);
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poi.Longitude := RP.Lon;
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@ -106,9 +106,9 @@ begin
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begin
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for i := list.Count-1 downto 0 do
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begin
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if list[i] is TPointOfInterest then
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if list[i] is TMapPointOfInterest then
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begin
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poi := TPointOfInterest(list[i]);
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poi := TMapPointOfInterest(list[i]);
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poi.Free;
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end;
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end;
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@ -28,9 +28,6 @@
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<Item>
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<PackageName Value="lazMapViewerPkg"/>
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</Item>
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<Item>
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<PackageName Value="TAChartLazarusPkg"/>
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</Item>
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<Item>
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<PackageName Value="LCL"/>
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</Item>
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@ -10,7 +10,7 @@ uses
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athreads,
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{$ENDIF}
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Interfaces, // this includes the LCL widgetset
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Forms, tachartlazaruspkg, Unit1
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Forms, Unit1
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{ you can add units after this };
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{$R *.res}
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@ -25,10 +25,10 @@ object MainForm: TMainForm
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AnchorSideLeft.Side = asrBottom
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AnchorSideTop.Control = ParamsPanel
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AnchorSideRight.Control = cmbPosition
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Left = 75
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Left = 253
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Height = 23
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Top = 0
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Width = 601
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Width = 423
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Anchors = [akTop, akLeft, akRight]
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BorderSpacing.Left = 8
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BorderSpacing.Right = 4
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@ -37,13 +37,15 @@ object MainForm: TMainForm
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OnChange = edLegalNoticeChange
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end
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object lblLegalNotice: TLabel
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AnchorSideLeft.Control = ParamsPanel
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AnchorSideLeft.Control = rbRightMap
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AnchorSideLeft.Side = asrBottom
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AnchorSideTop.Control = edLegalNotice
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AnchorSideTop.Side = asrCenter
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Left = 0
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Left = 178
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Height = 15
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Top = 4
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Width = 67
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BorderSpacing.Left = 32
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Caption = 'Legal notice:'
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end
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object btnSaveToImage: TButton
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@ -85,10 +87,10 @@ object MainForm: TMainForm
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OnChange = cmbPositionChange
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end
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object cbShowMapCenter: TCheckBox
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AnchorSideLeft.Control = edLegalNotice
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AnchorSideLeft.Control = ParamsPanel
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AnchorSideTop.Control = seOpacity
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AnchorSideTop.Side = asrCenter
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Left = 75
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Left = 0
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Height = 19
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Top = 33
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Width = 110
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@ -103,7 +105,7 @@ object MainForm: TMainForm
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AnchorSideLeft.Side = asrBottom
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AnchorSideTop.Control = seOpacity
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AnchorSideTop.Side = asrCenter
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Left = 209
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Left = 134
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Height = 19
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Top = 33
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Width = 111
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@ -119,7 +121,7 @@ object MainForm: TMainForm
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AnchorSideLeft.Side = asrBottom
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AnchorSideTop.Control = cbShowMapCenter
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AnchorSideTop.Side = asrCenter
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Left = 352
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Left = 277
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Height = 15
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Top = 35
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Width = 124
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@ -131,10 +133,10 @@ object MainForm: TMainForm
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AnchorSideLeft.Side = asrBottom
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AnchorSideTop.Control = edLegalNotice
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AnchorSideTop.Side = asrBottom
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Left = 484
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Left = 409
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Height = 23
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Top = 31
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Width = 69
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Width = 55
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Alignment = taRightJustify
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BorderSpacing.Left = 8
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BorderSpacing.Top = 8
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@ -142,10 +144,37 @@ object MainForm: TMainForm
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MaxValue = 100
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TabOrder = 5
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Value = 50
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OnChange = FloatSpinEdit1Change
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OnChange = seOpacityChange
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end
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object rbLeftMap: TRadioButton
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AnchorSideLeft.Control = ParamsPanel
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AnchorSideTop.Control = edLegalNotice
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AnchorSideTop.Side = asrCenter
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Left = 0
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Height = 19
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Top = 2
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Width = 65
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Caption = 'Left map'
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Checked = True
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TabOrder = 7
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TabStop = True
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OnChange = rbLeftMapChange
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end
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object rbRightMap: TRadioButton
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AnchorSideLeft.Control = rbLeftMap
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AnchorSideLeft.Side = asrBottom
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AnchorSideTop.Control = edLegalNotice
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AnchorSideTop.Side = asrCenter
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Left = 73
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Height = 19
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Top = 2
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Width = 73
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BorderSpacing.Left = 8
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Caption = 'Right map'
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TabOrder = 6
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end
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end
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object Bevel1: TBevel
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object FormCenterBevel: TBevel
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AnchorSideLeft.Control = Owner
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AnchorSideLeft.Side = asrCenter
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AnchorSideTop.Control = Owner
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@ -157,10 +186,10 @@ object MainForm: TMainForm
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Anchors = [akTop, akLeft, akBottom]
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Shape = bsSpacer
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end
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object Panel2: TPanel
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object LeftPanel: TPanel
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AnchorSideLeft.Control = Owner
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AnchorSideTop.Control = Owner
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AnchorSideRight.Control = Bevel1
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AnchorSideRight.Control = FormCenterBevel
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AnchorSideBottom.Control = ParamsPanel
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Left = 0
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Height = 417
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@ -170,8 +199,8 @@ object MainForm: TMainForm
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BevelOuter = bvNone
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TabOrder = 1
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end
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object Panel3: TPanel
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AnchorSideLeft.Control = Bevel1
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object RightPanel: TPanel
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AnchorSideLeft.Control = FormCenterBevel
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AnchorSideLeft.Side = asrBottom
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AnchorSideTop.Control = Owner
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AnchorSideRight.Control = Owner
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@ -7,34 +7,40 @@ interface
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uses
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Classes, SysUtils,
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LCLIntf, Forms, Controls, Graphics, ExtCtrls, StdCtrls, Dialogs, Spin,
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TAGraph, TATools,
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mvMapViewer, mvPluginCore, mvPlugins;
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type
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TMainForm = class(TForm)
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Bevel1: TBevel;
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FormCenterBevel: TBevel;
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btnSaveToImage: TButton;
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cbShowMapCenter: TCheckBox;
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cbShowLegalNotice: TCheckBox;
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cmbPosition: TComboBox;
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edLegalNotice: TEdit;
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rbLeftMap: TRadioButton;
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rbRightMap: TRadioButton;
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seOpacity: TSpinEdit;
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lblLegalNotice: TLabel;
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lblOpacity: TLabel;
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ParamsPanel: TPanel;
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Panel2: TPanel;
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Panel3: TPanel;
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LeftPanel: TPanel;
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RightPanel: TPanel;
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procedure btnSaveToImageClick(Sender: TObject);
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procedure cbShowMapCenterChange(Sender: TObject);
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procedure cbShowLegalNoticeChange(Sender: TObject);
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procedure cmbPositionChange(Sender: TObject);
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procedure edLegalNoticeChange(Sender: TObject);
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procedure FloatSpinEdit1Change(Sender: TObject);
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procedure rbLeftMapChange(Sender: TObject);
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procedure seOpacityChange(Sender: TObject);
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procedure FormCreate(Sender: TObject);
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private
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FMapView1: TMapView;
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FMapView2: TMapView;
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FPluginManager: TMvPluginManager;
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FLegalNoticePlugin1: TLegalNoticePlugin;
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FLegalNoticePlugin2: TLegalNoticePlugin;
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FCenterMarkerPlugin: TCenterMarkerPlugin;
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FLinkedMapsPlugin: TLinkedMapsPlugin;
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public
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end;
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@ -54,7 +60,7 @@ begin
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FMapView1 := TMapView.Create(self);
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FMapView1.Align := alClient;
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FMapView1.Parent := Panel2;
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FMapView1.Parent := LeftPanel;
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FMapView1.MapProvider := 'OpenStreetMap Mapnik';
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FMapView1.UseThreads := true;
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FMapView1.Zoom := 9;
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@ -65,7 +71,7 @@ begin
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FMapView2 := TMapView.Create(self);
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FMapView2.Align := alClient;
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FMapView2.Parent := Panel3;
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FMapView2.Parent := RightPanel;
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FMapView2.MapProvider := 'Maps for free';
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FMapView2.UseThreads := true;
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FMapView2.Zoom := 9;
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@ -74,13 +80,12 @@ begin
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FMapView2.Active := true;
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FMapView2.PluginManager := FPluginManager;
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with TLegalNoticePlugin.Create(FPluginManager) do
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FLegalNoticePlugin1 := TLegalNoticePlugin.Create(FPluginManager);
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with FLegalNoticePlugin1 do
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begin
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LegalNotice := '(c) OpenStreetMap and contributors';
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LegalNoticeURL := 'https://www.openstreetmap.org/copyright';
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Spacing := 5;
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LegalNotice := 'Map data from [https://www.openstreetmap.org/copyright OpenStreetMap and contributors]';
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Spacing := 0;
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Font.Size := 8;
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Font.Color := clBlue;
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BackgroundColor := clWhite;
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MapView := FMapView1;
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@ -88,60 +93,79 @@ begin
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seOpacity.Value := round(BackgroundOpacity * 100);
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end;
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with TLegalNoticePlugin.Create(FPluginManager) do
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FLegalNoticePlugin2 := TLegalNoticePlugin.Create(FPluginManager);
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with FLegalNoticePlugin2 do
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begin
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LegalNotice := 'maps-for-free';
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LegalNoticeURL := 'https://maps-for-free.com/html/about.html';
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Spacing := 5;
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LegalNotice := '(c) [https://maps-for-free.com/html/about.html maps-for-free]';
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Spacing := 0;
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Font.Size := 8;
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Font.Color := clBlue;
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BackgroundColor := clWhite;
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MapView := FMapView2;
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end;
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with TCenterMarkerPlugin.Create(FPluginManager) do
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FCenterMarkerPlugin := TCenterMarkerPlugin.Create(FPluginManager);
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with FCenterMarkerPlugin do
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begin
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Size := 15;
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Pen.Width := 3;
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Pen.Color := clRed;
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end;
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with TLinkedMapsPlugin.Create(FPluginManager) do ;
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FLinkedMapsPlugin := TLinkedMapsPlugin.Create(FPluginManager);
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end;
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procedure TMainForm.edLegalNoticeChange(Sender: TObject);
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begin
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(FPluginManager.Item[0] as TLegalNoticePlugin).LegalNotice := edLegalNotice.Text;
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if rbLeftMap.Checked then
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FLegalNoticePlugin1.LegalNotice := edLegalNotice.Text;
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if rbRightMap.Checked then
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FLegalNoticePlugin2.LegalNotice := edLegalNotice.Text;
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end;
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procedure TMainForm.FloatSpinEdit1Change(Sender: TObject);
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procedure TMainForm.rbLeftMapChange(Sender: TObject);
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begin
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(FPluginManager.Item[0] as TLegalNoticePlugin).BackgroundOpacity := seOpacity.Value / 100;
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if FPluginManager.PluginList.Count > 1 then
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(FPluginManager.Item[1] as TLegalNoticePlugin).BackgroundOpacity := seOpacity.Value / 100;
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if rbLeftMap.Checked then
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edLegalNotice.Text := FLegalNoticePlugin1.LegalNotice;
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if rbRightMap.Checked then
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edLegalNotice.Text := FLegalNoticePlugin2.LegalNotice;
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end;
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procedure TMainForm.seOpacityChange(Sender: TObject);
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begin
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if rbLeftMap.Checked then
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FLegalNoticePlugin1.BackgroundOpacity := seOpacity.Value / 100;
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if rbRightMap.Checked then
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FLegalNoticePlugin2.BackgroundOpacity := seOpacity.Value / 100;
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end;
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procedure TMainForm.btnSaveToImageClick(Sender: TObject);
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begin
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if rbLeftMap.Checked then
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FMapView1.SaveToFile(TPortableNetworkGraphic, 'map1.png');
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if rbRightMap.Checked then
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FMapView2.SaveToFile(TPortableNetworkGraphic, 'map2.png');
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end;
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procedure TMainForm.cbShowMapCenterChange(Sender: TObject);
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begin
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(FPluginManager.Item[2] as TCenterMarkerPlugin).Enabled := cbShowMapCenter.Checked;
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FCenterMarkerPlugin.Enabled := cbShowMapCenter.Checked;
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end;
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procedure TMainForm.cbShowLegalNoticeChange(Sender: TObject);
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begin
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(FPluginManager.Item[0] as TLegalNoticePlugin).Enabled := cbShowLegalNotice.Checked;
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(FPluginManager.Item[1] as TLegalNoticePlugin).Enabled := cbShowLegalNotice.Checked;
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if rbLeftMap.Checked then
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FLegalNoticePlugin1.Enabled := cbShowLegalNotice.Checked;
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if rbRightMap.Checked then
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FLegalNoticePlugin2.Enabled := cbShowLegalNotice.Checked;
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end;
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procedure TMainForm.cmbPositionChange(Sender: TObject);
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begin
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(FPluginManager.Item[0] as TLegalNoticePlugin).Position := TLegalNoticePosition(cmbPosition.ItemIndex);
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(FPluginManager.Item[1] as TLegalNoticePlugin).Position := TLegalNoticePosition(cmbPosition.ItemIndex);
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if rbLeftMap.Checked then
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FLegalNoticePlugin1.Position := TLegalNoticePosition(cmbPosition.ItemIndex);
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if rbRightMap.Checked then
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FLegalNoticePlugin2.Position := TLegalNoticePosition(cmbPosition.ItemIndex);
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end;
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end.
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@ -10,7 +10,7 @@ object MainForm: TMainForm
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OnCreate = FormCreate
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object MapView: TMapView
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Left = 0
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Height = 257
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Height = 261
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Top = 0
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Width = 451
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Align = alClient
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@ -22,35 +22,48 @@ object MainForm: TMainForm
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PluginManager = PluginManager
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end
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object InfoPanel: TPanel
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Left = 0
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Height = 50
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Top = 257
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Width = 451
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Left = 8
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Height = 30
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Top = 269
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Width = 435
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Align = alBottom
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ClientHeight = 50
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ClientWidth = 451
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AutoSize = True
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BorderSpacing.Around = 8
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BevelOuter = bvNone
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ClientHeight = 30
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ClientWidth = 435
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TabOrder = 1
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object lblMessageLabel: TLabel
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AnchorSideTop.Control = InfoPanel
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AnchorSideTop.Side = asrCenter
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Left = 16
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AnchorSideLeft.Control = InfoPanel
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AnchorSideTop.Control = Label1
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AnchorSideTop.Side = asrBottom
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Left = 0
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Height = 15
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Top = 18
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Top = 15
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Width = 146
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Caption = 'UserdefinedPlugin Message'
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end
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object lblUserdefinedPluginMessage: TLabel
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AnchorSideLeft.Control = lblMessageLabel
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AnchorSideLeft.Side = asrBottom
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AnchorSideTop.Control = InfoPanel
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AnchorSideTop.Control = lblMessageLabel
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AnchorSideTop.Side = asrCenter
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Left = 170
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Left = 154
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Height = 15
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Top = 18
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Top = 15
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Width = 38
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BorderSpacing.Left = 8
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Caption = ' (none)'
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end
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object Label1: TLabel
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AnchorSideLeft.Control = InfoPanel
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AnchorSideTop.Control = InfoPanel
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Left = 0
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Height = 15
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Top = 0
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Width = 106
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Caption = 'Click into the map...'
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end
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end
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object PluginManager: TMvPluginManager
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Left = 262
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@ -13,6 +13,7 @@ type
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{ TMainForm }
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TMainForm = class(TForm)
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Label1: TLabel;
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lblMessageLabel: TLabel;
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lblUserdefinedPluginMessage: TLabel;
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MapView: TMapView;
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@ -5,7 +5,7 @@ unit mvPlugins;
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interface
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uses
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Classes, SysUtils,
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Classes, SysUtils, Contnrs,
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Graphics, Controls, LCLIntf, //LazLoggerBase,
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mvMapViewer, mvDrawingEngine, mvPluginCore, mvGPSObj, mvTypes;
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@ -45,33 +45,42 @@ type
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TLegalNoticePosition = (lnpTopLeft, lnpTopRight, lnpBottomLeft, lnpBottomRight);
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TLegalNoticePlugin = class(TMvMultiMapsDrawPlugin)
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TLegalNoticePlugin = class(TMvDrawPlugin)
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private
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const
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DEFAULT_LEGALNOTICE_OPACITY = 0.55;
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DEFAULT_LEGALNOTICE_SPACING = 4;
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type
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TLegalNoticePart = class
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Text: String;
|
||||
URL: String;
|
||||
Rect: TRect;
|
||||
constructor Create(AText, AURL: String);
|
||||
end;
|
||||
TLegalNoticeParts = class(TFPObjectList);
|
||||
private
|
||||
FLegalNotice: String;
|
||||
FLegalNoticeURL: String;
|
||||
FLegalNotice: TCaption;
|
||||
FLegalNoticeParts: TLegalNoticeParts;
|
||||
FBackgroundOpacity: Single;
|
||||
FPosition: TLegalNoticePosition;
|
||||
FSpacing: Integer;
|
||||
FBackgroundColor: TColor;
|
||||
FMouseOverPart: Integer;
|
||||
FURLFontColor: TColor;
|
||||
private
|
||||
procedure SetBackgroundColor(AValue: TColor);
|
||||
procedure SetBackgroundOpacity(AValue: Single);
|
||||
procedure SetLegalNotice(AValue: String);
|
||||
procedure SetLegalNoticeURL(AValue: String);
|
||||
procedure SetLegalNotice(AValue: TCaption);
|
||||
procedure SetPosition(AValue: TLegalNoticePosition);
|
||||
procedure SetSpacing(AValue: Integer);
|
||||
protected
|
||||
procedure CalcClickableRect(AMapView: TMapView; out AClickableRect: TRect);
|
||||
procedure Changed(Sender: TObject);
|
||||
procedure ExtractLegalNoticeParts(AMapView: TMapView);
|
||||
function PointInURLPart(APoint: TPoint; out URL: String): Integer;
|
||||
protected
|
||||
procedure AfterDrawObjects(AMapView: TMapView; var Handled: Boolean); override;
|
||||
procedure MouseDown(AMapView: TMapView; {%H-}Button: TMouseButton; {%H-}Shift: TShiftState;
|
||||
X, Y: Integer; var Handled: Boolean); override;
|
||||
procedure MouseEnter(AMapView: TMapView; var Handled: Boolean); override;
|
||||
procedure MouseMove(AMapView: TMapView; {%H-}Shift: TShiftState; X, Y: Integer;
|
||||
var Handled: Boolean); override;
|
||||
public
|
||||
@ -81,13 +90,12 @@ type
|
||||
published
|
||||
property BackgroundColor: TColor read FBackgroundColor write SetBackgroundColor default clNone;
|
||||
property BackgroundOpacity: Single read FBackgroundOpacity write SetBackgroundOpacity default DEFAULT_LEGALNOTICE_OPACITY; // 0..1
|
||||
property LegalNotice: String read FLegalNotice write SetLegalNotice;
|
||||
property LegalNoticeURL: String read FLegalNoticeURL write SetLegalNoticeURL;
|
||||
property LegalNotice: TCaption read FLegalNotice write SetLegalNotice;
|
||||
property Position: TLegalNoticePosition read FPosition write SetPosition default lnpBottomRight;
|
||||
property Spacing: Integer read FSpacing write SetSpacing default DEFAULT_LEGALNOTICE_SPACING;
|
||||
property URLFontColor: TColor read FURLFontColor write FURLFontColor default clBlue;
|
||||
// inherited properties
|
||||
property Font;
|
||||
property MapView;
|
||||
end;
|
||||
|
||||
{ TDraggableMarkerPlugin }
|
||||
@ -324,17 +332,27 @@ end;
|
||||
|
||||
{ TLegalNoticePlugin }
|
||||
|
||||
constructor TLegalNoticePlugin.TLegalNoticePart.Create(AText, AURL: String);
|
||||
begin
|
||||
inherited Create;
|
||||
Text := AText;
|
||||
URL := AURL;
|
||||
end;
|
||||
|
||||
constructor TLegalNoticePlugin.Create(AOwner: TComponent);
|
||||
begin
|
||||
inherited Create(AOwner);
|
||||
FBackgroundColor := clNone;
|
||||
FBackgroundOpacity := DEFAULT_LEGALNOTICE_OPACITY;
|
||||
FURLFontColor := clBlue;
|
||||
FPosition := lnpBottomRight;
|
||||
FSpacing := DEFAULT_LEGALNOTICE_SPACING;
|
||||
FLegalNoticeParts := TLegalNoticeParts.Create;
|
||||
end;
|
||||
|
||||
destructor TLegalNoticePlugin.Destroy;
|
||||
begin
|
||||
FLegalNoticeParts.Free;
|
||||
inherited;
|
||||
end;
|
||||
|
||||
@ -345,72 +363,239 @@ begin
|
||||
FBackgroundColor := TLegalNoticePlugin(Source).BackgroundColor;
|
||||
FBackgroundOpacity := TLegalNoticePlugin(Source).BackgroundOpacity;
|
||||
FLegalNotice := TLegalNoticePlugin(Source).LegalNotice;
|
||||
FLegalNoticeURL := TLegalNoticePlugin(Source).LegalNoticeURL;
|
||||
FPosition := TLegalNoticePlugin(Source).Position;
|
||||
FSpacing := TLegalNoticePlugin(Source).Spacing;
|
||||
FURLFontColor := TLegalNoticePlugin(Source).URLFontColor;
|
||||
end;
|
||||
inherited;
|
||||
end;
|
||||
|
||||
procedure TLegalNoticePlugin.AfterDrawObjects(AMapView: TMapView; var Handled: Boolean);
|
||||
var
|
||||
x, y: Integer;
|
||||
lClickableRect: TRect;
|
||||
i: Integer;
|
||||
lBounds: TRect;
|
||||
lSavedFont: TMvFont;
|
||||
lSavedOpacity: Single;
|
||||
part: TLegalNoticePart;
|
||||
begin
|
||||
if not Assigned(AMapView) then Exit;
|
||||
Handled := True;
|
||||
CalcClickableRect(AMapView,lClickableRect);
|
||||
x := lClickableRect.Left;
|
||||
y := lClickableRect.Top;
|
||||
|
||||
lSavedFont := AMapView.DrawingEngine.GetFont;
|
||||
lSavedOpacity := AMapView.DrawingEngine.Opacity;
|
||||
try
|
||||
ExtractLegalNoticeParts(AMapView);
|
||||
|
||||
lBounds := Rect(MaxInt, MaxInt, -MaxInt, -MaxInt);
|
||||
for i := 0 to FLegalNoticeParts.Count-1 do
|
||||
begin
|
||||
part := TLegalNoticePart(FLegalNoticeParts[i]);
|
||||
if part.Rect.Left < lBounds.Left then lBounds.Left := part.Rect.Left;
|
||||
if part.Rect.Top < lBounds.Top then lBounds.Top := part.Rect.Top;
|
||||
if part.Rect.Right > lBounds.Right then lBounds.Right := part.Rect.Right;
|
||||
if part.Rect.Bottom > lBounds.Bottom then lBounds.Bottom := part.Rect.Bottom;
|
||||
end;
|
||||
|
||||
// Draw the common (semi-transparent) background of all parts
|
||||
if FBackgroundColor <> clNone then
|
||||
begin
|
||||
AMapView.DrawingEngine.Opacity := FBackgroundOpacity;
|
||||
AMapView.DrawingEngine.BrushStyle := bsSolid;
|
||||
AMapView.DrawingEngine.BrushColor := ColorToRGB(FBackgroundColor);
|
||||
with lClickableRect do
|
||||
with lBounds do
|
||||
AMapView.DrawingEngine.FillRect(Left, Top, Right, Bottom);
|
||||
end;
|
||||
AMapView.DrawingEngine.BrushStyle := bsClear;
|
||||
|
||||
// Draw the part texts
|
||||
for i := 0 to FLegalNoticeParts.Count-1 do
|
||||
begin
|
||||
part := TLegalNoticePart(FLegalNoticeParts[i]);
|
||||
if part.URL <> '' then
|
||||
begin
|
||||
if i = FMouseOverPart then
|
||||
AMapView.DrawingEngine.SetFont(Font.Name, Font.Size, Font.Style + [fsUnderline], FURLFontColor)
|
||||
else
|
||||
AMapView.DrawingEngine.SetFont(Font.Name, Font.Size, Font.Style, FURLFontColor)
|
||||
end
|
||||
else
|
||||
AMapView.DrawingEngine.SetFont(Font.Name, Font.Size, Font.Style, Font.Color);
|
||||
AMapView.DrawingEngine.TextOut(x, y, FLegalNotice);
|
||||
AMapView.DrawingEngine.TextOut(part.Rect.Left, part.Rect.Top, part.Text);
|
||||
end;
|
||||
finally
|
||||
AMapView.DrawingEngine.Opacity := lSavedOpacity;
|
||||
AMapView.DrawingEngine.SetFont(lSavedFont);
|
||||
end;
|
||||
end;
|
||||
|
||||
procedure TLegalNoticePlugin.CalcClickableRect(AMapView: TMapView; out
|
||||
AClickableRect: TRect);
|
||||
{ LegalNotice can contain text and embedded URLs with text following the
|
||||
wikipedia mark-down.
|
||||
|
||||
Line breaks allowed as #13, #10, #13#10, or '\n'
|
||||
|
||||
Example:
|
||||
'Map data from [https://openstreetmap.org/copyright OpenStreetMap and contributors]'
|
||||
displayed as "Map data from OpenStreamMap and contributors"
|
||||
Embedded URL (https://openstreetmap.org/copyright) is assigned to text
|
||||
"OpenStreetMap and contributors" }
|
||||
procedure TLegalNoticePlugin.ExtractLegalNoticeParts(AMapView: TMapView);
|
||||
var
|
||||
P: PAnsiChar;
|
||||
partType: (ptText, ptURL, ptURLText, prLineBreak);
|
||||
txt: String;
|
||||
url: String;
|
||||
part: TLegalNoticePart;
|
||||
savedFont: TMvFont;
|
||||
R: TRect;
|
||||
lineWidths: array of integer = nil;
|
||||
sz: TSize;
|
||||
x, y: Integer;
|
||||
lSavedFont: TMvFont;
|
||||
i, line, dx, dy, nLines: Integer;
|
||||
begin
|
||||
lSavedFont := AMapView.DrawingEngine.GetFont;
|
||||
FLegalNoticeParts.Clear;
|
||||
if FLegalNotice = '' then
|
||||
exit;
|
||||
|
||||
P := PChar(FLegalNotice);
|
||||
partType := ptText;
|
||||
txt := '';
|
||||
url := '';
|
||||
nLines := 1;
|
||||
|
||||
while true do
|
||||
begin
|
||||
case P^ of
|
||||
#0 : break;
|
||||
'[': begin
|
||||
// entering a URL part
|
||||
if partType = ptText then
|
||||
begin
|
||||
if (txt <> '') or (url <> '') then
|
||||
begin
|
||||
// Store away previously found txt and url
|
||||
part := TLegalNoticePart.Create(txt, url);
|
||||
FLegalNoticeParts.Add(part);
|
||||
end;
|
||||
partType := ptURL; // the next part will be in URL
|
||||
txt := '';
|
||||
url := '';
|
||||
end;
|
||||
end;
|
||||
' ': if partType = ptURL then // in URL
|
||||
begin
|
||||
partType := ptURLText; // next part will be the text assigned to the URL
|
||||
txt := '';
|
||||
end else
|
||||
txt := txt + P^;
|
||||
']': if partType = ptURLText then
|
||||
begin
|
||||
if (txt <> '') and (url <> '') then
|
||||
begin
|
||||
// Store away url and its text
|
||||
part := TLegalNoticePart.Create(txt, url);
|
||||
FLegalNoticeParts.Add(part);
|
||||
end;
|
||||
partType := ptText; // next part will be normal text again
|
||||
txt := '';
|
||||
url := '';
|
||||
end;
|
||||
#13,
|
||||
#10: begin
|
||||
if P^ = #13 then
|
||||
begin
|
||||
inc(P);
|
||||
if P^ <> #10 then dec(P);
|
||||
end;
|
||||
// Store away previously found text and url
|
||||
FLegalNoticeParts.Add(TLegalNoticePart.Create(txt, url));
|
||||
// Store #13 as indicator of a line break. Keep url.
|
||||
FLegalNoticeParts.Add(TLegalNoticePart.Create(#13, ''));
|
||||
txt := '';
|
||||
inc(nLines);
|
||||
end;
|
||||
'\': begin
|
||||
inc(P);
|
||||
if (P^ in ['n', 'N']) then
|
||||
begin
|
||||
// Store away previously found text and url
|
||||
FLegalNoticeParts.Add(TLegalNoticePart.Create(txt, url));
|
||||
// Store #13 as indicator of a line break. Keep url.
|
||||
FLegalNoticeParts.Add(TLegalNoticePart.Create(#13, ''));
|
||||
txt := '';
|
||||
inc(nLines);
|
||||
end else
|
||||
begin
|
||||
dec(P);
|
||||
txt := txt + P^;
|
||||
end;
|
||||
end;
|
||||
else
|
||||
if partType = ptURL then
|
||||
url := url + P^
|
||||
else
|
||||
txt := txt + P^;
|
||||
end;
|
||||
inc(P);
|
||||
end;
|
||||
|
||||
if (partType = ptText) and (txt <> '') then
|
||||
begin
|
||||
part := TLegalNoticePart.Create(txt, '');
|
||||
FLegalNoticeParts.Add(part);
|
||||
end;
|
||||
|
||||
// Measure pixel size of parts
|
||||
savedFont := AMapView.DrawingEngine.GetFont;
|
||||
try
|
||||
AMapView.DrawingEngine.SetFont(Font.Name, Font.Size, Font.Style, Font.Color);
|
||||
sz := AMapView.DrawingEngine.TextExtent(FLegalNotice);
|
||||
R := Rect(0, 0, 0, 0);
|
||||
SetLength(lineWidths, nLines);
|
||||
line := 0;
|
||||
lineWidths[line] := 0;
|
||||
for i := 0 to FLegalNoticeParts.Count-1 do
|
||||
begin
|
||||
part := TLegalNoticePart(FLegalNoticeParts[i]);
|
||||
sz := AMapView.DrawingEngine.TextExtent(part.Text);
|
||||
R := Rect(R.Right, R.Top, R.Right + sz.CX, R.Top + sz.CY);
|
||||
if R.Right > lineWidths[line] then
|
||||
lineWidths[line] := R.Right;
|
||||
if part.Text = #13 then // line break
|
||||
begin
|
||||
R := Rect(0, R.Bottom - sz.CY div 2, 0, R.Bottom);
|
||||
inc(line);
|
||||
lineWidths[line] := 0;
|
||||
end;
|
||||
part.Rect := R;
|
||||
end;
|
||||
finally
|
||||
AMapView.DrawingEngine.SetFont(savedFont);
|
||||
end;
|
||||
|
||||
// Calculate left/top corner of total text
|
||||
case FPosition of
|
||||
lnpTopLeft, lnpBottomLeft:
|
||||
x := FSpacing;
|
||||
dx := FSpacing;
|
||||
lnpTopRight, lnpBottomRight:
|
||||
x := AMapView.Width - sz.CX - FSpacing;
|
||||
dx := AMapView.Width - FSpacing - lineWidths[0];
|
||||
end;
|
||||
case FPosition of
|
||||
lnpTopLeft, lnpTopRight:
|
||||
y := FSpacing;
|
||||
dy := FSpacing;
|
||||
lnpBottomLeft, lnpBottomRight:
|
||||
y := AMapView.Height - sz.CY - FSpacing;
|
||||
dy := AMapView.Height - R.Bottom - FSpacing;
|
||||
end;
|
||||
AClickableRect := Rect(x, y, x + sz.CX, y + sz.CY);
|
||||
SetMapViewData(AMapView,AClickableRect,SizeOf(AClickableRect));
|
||||
finally
|
||||
AMapView.DrawingEngine.SetFont(lSavedFont);
|
||||
|
||||
// Move text rectangles to correct position
|
||||
line := 0;
|
||||
for i := 0 to FLegalNoticeParts.Count-1 do
|
||||
begin
|
||||
part := TLegalNoticePart(FLegalNoticeParts[i]);
|
||||
if part.Text = #13 then
|
||||
begin
|
||||
inc(line);
|
||||
if FPosition in [lnpTopRight, lnpBottomRight] then
|
||||
dx := AMapView.Width - FSpacing - lineWidths[line];
|
||||
end;
|
||||
OffsetRect(part.Rect, dx, dy);
|
||||
end;
|
||||
end;
|
||||
|
||||
@ -422,53 +607,60 @@ end;
|
||||
procedure TLegalNoticePlugin.MouseDown(AMapView: TMapView; Button: TMouseButton;
|
||||
Shift: TShiftState; X, Y: Integer; var Handled: Boolean);
|
||||
var
|
||||
pt: TPoint;
|
||||
lClickableRect : TRect;
|
||||
url: String;
|
||||
begin
|
||||
Unused(AMapView);
|
||||
// The button down event is consumed by a different plugin, so do nothing here
|
||||
if Handled then Exit;
|
||||
pt.X := X;
|
||||
pt.Y := Y;
|
||||
if GetMapViewData(AMapView,lClickableRect,SizeOf(lClickableRect)) < SizeOf(lClickableRect) then
|
||||
CalcClickableRect(AMapView,lClickableRect);
|
||||
if PtInRect(lClickableRect, pt) and (FLegalNoticeURL <> '') then
|
||||
if PointInURLPart(Point(X, Y), url) <> -1 then
|
||||
begin
|
||||
// The button down event is consumed by this plugin
|
||||
OpenURL(FLegalNoticeURL);
|
||||
OpenURL(url);
|
||||
Handled := True;
|
||||
end;
|
||||
end;
|
||||
|
||||
procedure TLegalNoticePlugin.MouseEnter(AMapView: TMapView; var Handled: Boolean);
|
||||
var
|
||||
lClickableRect : TRect;
|
||||
begin
|
||||
inherited;
|
||||
CalcClickableRect(AMapView,lClickableRect);
|
||||
end;
|
||||
|
||||
procedure TLegalNoticePlugin.MouseMove(AMapView: TMapView; Shift: TShiftState;
|
||||
X, Y: Integer; var Handled: Boolean);
|
||||
var
|
||||
lClickableRect : TRect;
|
||||
url: String;
|
||||
begin
|
||||
if GetMapViewData(AMapView,lClickableRect,SizeOf(lClickableRect)) < SizeOf(lClickableRect) then
|
||||
CalcClickableRect(AMapView, lClickableRect);
|
||||
ExtractLegalNoticeParts(AMapView);
|
||||
|
||||
if PtInRect(lClickableRect, Point(X, Y)) and (not AMapView.Engine.InDrag) and
|
||||
(FLegalNoticeURL <> '') then
|
||||
if not (AMapView.Engine.InDrag) then
|
||||
begin
|
||||
FMouseOverPart := PointInURLPart(Point(X, Y), url);
|
||||
if (FMouseOverPart <> -1) then
|
||||
begin
|
||||
if url <> '' then
|
||||
begin
|
||||
Font.Style := [fsUnderline];
|
||||
AMapView.Cursor := crHandPoint;
|
||||
Handled := true;
|
||||
end;
|
||||
end else
|
||||
begin
|
||||
Font.Style := [];
|
||||
if not Handled then
|
||||
AMapView.Cursor := crDefault;
|
||||
end;
|
||||
Update;
|
||||
end;
|
||||
end;
|
||||
|
||||
function TLegalNoticePlugin.PointInURLPart(APoint: TPoint; out URL: String): Integer;
|
||||
var
|
||||
part: TLegalNoticePart;
|
||||
begin
|
||||
for Result := 0 to FLegalNoticeParts.Count-1 do
|
||||
begin
|
||||
part := TLegalNoticePart(FLegalNoticeParts[Result]);
|
||||
if PtInRect(part.Rect, APoint) and (part.URL <> '') then
|
||||
begin
|
||||
uRL := part.URL;
|
||||
exit;
|
||||
end;
|
||||
end;
|
||||
URL := '';
|
||||
Result := -1;
|
||||
end;
|
||||
|
||||
|
||||
procedure TLegalNoticePlugin.SetPosition(AValue: TLegalNoticePosition);
|
||||
begin
|
||||
@ -477,20 +669,13 @@ begin
|
||||
Update;
|
||||
end;
|
||||
|
||||
procedure TLegalNoticePlugin.SetLegalNotice(AValue: String);
|
||||
procedure TLegalNoticePlugin.SetLegalNotice(AValue: TCaption);
|
||||
begin
|
||||
if FLegalNotice = AValue then Exit;
|
||||
FLegalNotice := AValue;
|
||||
Update;
|
||||
end;
|
||||
|
||||
procedure TLegalNoticePlugin.SetLegalNoticeURL(AValue: String);
|
||||
begin
|
||||
if FLegalNoticeURL = AValue then Exit;
|
||||
FLegalNoticeURL := AValue;
|
||||
Update;
|
||||
end;
|
||||
|
||||
procedure TLegalNoticePlugin.SetBackgroundColor(AValue: TColor);
|
||||
begin
|
||||
if FBackgroundColor = AValue then Exit;
|
||||
@ -512,6 +697,9 @@ begin
|
||||
Update;
|
||||
end;
|
||||
|
||||
|
||||
{ TDraggableMarkerPlugin }
|
||||
|
||||
function TDraggableMarkerPlugin.GetFirstMarkerAtMousePos(const AMapView: TMapView;
|
||||
const AX, AY: Integer): TGPSPoint;
|
||||
var
|
||||
|
||||
@ -14,9 +14,9 @@ implementation
|
||||
{$R mvmapviewer_icons.res}
|
||||
|
||||
uses
|
||||
ImgList,
|
||||
Controls, ImgList,
|
||||
mvTypes, mvGeoNames, mvMapViewer, mvDLEFpc, mvDLECache, mvPluginCore,
|
||||
mvMapViewerPropEdits, mvPluginEditors;
|
||||
mvMapViewerPropEdits, mvPlugins, mvPluginEditors;
|
||||
|
||||
procedure Register;
|
||||
var
|
||||
@ -55,9 +55,11 @@ begin
|
||||
RegisterPropertyEditor(TypeInfo(Double),
|
||||
TMapCenter,'Longitude', TLatLonDMSPropertyEditor);
|
||||
|
||||
RegisterComponentEditor(TMvPluginManager, TMvPluginManagerComponentEditor);
|
||||
RegisterPropertyEditor(TypeInfo(TMvPluginList),
|
||||
TMvPluginManager, 'PluginList', TMvPluginListPropertyEditor);
|
||||
RegisterComponentEditor(TMvPluginManager, TMvPluginManagerComponentEditor);
|
||||
RegisterPropertyEditor(TypeInfo(TCaption),
|
||||
TLegalNoticePlugin, 'LegalNotice', TStringMultilinePropertyEditor);
|
||||
|
||||
for i := 0 to PluginClassRegistry.Count - 1 do
|
||||
RegisterNoIcon([TMvCustomPluginClass(PluginClassRegistry.GetClass(i))]);
|
||||
|
||||
@ -34,14 +34,14 @@ type
|
||||
FPluginManager: TMvPluginManager;
|
||||
FMapView: TMapView;
|
||||
FEnabled: Boolean;
|
||||
procedure SetEnabled(AValue: Boolean);
|
||||
procedure SetMapView(AValue: TMapView);
|
||||
procedure SetPluginManager(AValue: TMvPluginManager);
|
||||
protected
|
||||
function GetIndex: Integer; override;
|
||||
procedure Notification(AComponent: TComponent; Operation: TOperation); override;
|
||||
procedure ReadState(Reader: TReader); override;
|
||||
procedure SetEnabled(AValue: Boolean); virtual;
|
||||
procedure SetIndex(AValue: Integer); override;
|
||||
procedure SetMapView(AValue: TMapView); virtual;
|
||||
procedure SetParentComponent(AParent: TComponent); override;
|
||||
procedure Update; virtual;
|
||||
protected
|
||||
@ -158,6 +158,7 @@ type
|
||||
destructor Destroy;override;
|
||||
published
|
||||
property Enabled;
|
||||
property MapView;
|
||||
end;
|
||||
|
||||
{ TMvMultiMapsDrawPlugin }
|
||||
|
||||
Loading…
Reference in New Issue
Block a user