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TAChart: Fix TDateTimeIntervalChartSource.SuppressPrevUnit not updating chart if changed.

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git-svn-id: trunk@52776 -
This commit is contained in:
wp 2016-08-02 16:18:51 +00:00
parent a3af6a18b4
commit 04209d1c09
4 changed files with 46 additions and 23 deletions
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54
components/tachart/demo/axis/main.lfm
View File

@ -8,24 +8,24 @@ object Form1: TForm1
ClientWidth = 533
OnCreate = FormCreate
Position = poScreenCenter
LCLVersion = '1.1'
LCLVersion = '1.7'
object PageControl1: TPageControl
Left = 0
Height = 430
Top = 0
Width = 533
ActivePage = tsCustomMarks
ActivePage = tsDateTime
Align = alClient
TabIndex = 0
TabIndex = 3
TabOrder = 0
Options = [nboKeyboardTabSwitch]
object tsCustomMarks: TTabSheet
Caption = 'Customized marks'
ClientHeight = 404
ClientHeight = 402
ClientWidth = 525
object ChartCustomMarks: TChart
Left = 0
Height = 404
Height = 402
Top = 0
Width = 525
AxisList = <
@ -78,7 +78,6 @@ object Form1: TForm1
'TAChart'
)
Align = alClient
ParentColor = False
object ChartCustomMarksBarSeries1: TBarSeries
Marks.Frame.Visible = False
Marks.LabelBrush.Style = bsClear
@ -118,7 +117,6 @@ object Form1: TForm1
'TAChart'
)
Align = alClient
ParentColor = False
end
end
object tsSubmarks: TTabSheet
@ -177,7 +175,6 @@ object Form1: TForm1
'TAChart'
)
Align = alClient
ParentColor = False
object ChartSubmarksLineSeries1: TLineSeries
Source = udcsGraph
end
@ -185,11 +182,11 @@ object Form1: TForm1
end
object tsDateTime: TTabSheet
Caption = 'Date and time'
ClientHeight = 404
ClientHeight = 402
ClientWidth = 525
object ChartDateTime: TChart
Left = 0
Height = 404
Height = 368
Top = 0
Width = 525
AxisList = <
@ -216,11 +213,32 @@ object Form1: TForm1
Title.Visible = True
Toolset = ChartToolsetDateTime
Align = alClient
ParentColor = False
object ChartDateTimeLineSeries1: TLineSeries
Source = rcsDates
end
end
object Panel1: TPanel
Left = 0
Height = 34
Top = 368
Width = 525
Align = alBottom
BevelOuter = bvNone
ClientHeight = 34
ClientWidth = 525
TabOrder = 1
object CbSuppressPrevUnit: TCheckBox
Left = 11
Height = 19
Top = 8
Width = 139
Caption = 'Suppress previous unit'
Checked = True
OnChange = CbSuppressPrevUnitChange
State = cbChecked
TabOrder = 0
end
end
end
object tsIntervals: TTabSheet
Caption = 'Intervals'
@ -318,7 +336,6 @@ object Form1: TForm1
'TAChart'
)
Align = alClient
ParentColor = False
end
end
object tsPosition: TTabSheet
@ -372,7 +389,6 @@ object Form1: TForm1
)
Align = alClient
Color = clWhite
ParentColor = False
object ChartPositionFuncSeries1: TFuncSeries
Extent.UseXMax = True
Extent.UseXMin = True
@ -403,7 +419,7 @@ object Form1: TForm1
Width = 128
Align = alTop
Caption = ' X axis '
ClientHeight = 103
ClientHeight = 101
ClientWidth = 124
TabOrder = 0
object seXPosition: TSpinEdit
@ -461,10 +477,10 @@ object Form1: TForm1
end
object cbUnitsX: TComboBox
Left = 54
Height = 21
Height = 23
Top = 29
Width = 60
ItemHeight = 13
ItemHeight = 15
ItemIndex = 0
Items.Strings = (
'percent'
@ -485,7 +501,7 @@ object Form1: TForm1
Width = 128
Align = alTop
Caption = ' Y axis '
ClientHeight = 106
ClientHeight = 104
ClientWidth = 124
TabOrder = 1
object lblPositionY: TLabel
@ -535,10 +551,10 @@ object Form1: TForm1
end
object cbUnitsY: TComboBox
Left = 54
Height = 21
Height = 23
Top = 29
Width = 60
ItemHeight = 13
ItemHeight = 15
ItemIndex = 0
Items.Strings = (
'percent'

8
components/tachart/demo/axis/main.pas
View File

@ -35,6 +35,7 @@ type
ChartToolsetDateTime: TChartToolset;
cbStaticX: TCheckBox;
cbUnitsX: TComboBox;
CbSuppressPrevUnit: TCheckBox;
csStripes: TChartStyles;
DateTimeIntervalChartSource1: TDateTimeIntervalChartSource;
gbPositionX: TGroupBox;
@ -45,6 +46,7 @@ type
lblUnitsY: TLabel;
lcsMarks: TListChartSource;
PageControl1: TPageControl;
Panel1: TPanel;
pnlPosition: TPanel;
rbPositionBottom: TRadioButton;
rbPositionLeft: TRadioButton;
@ -64,6 +66,7 @@ type
udcsSub: TUserDefinedChartSource;
procedure cbStaticXChange(Sender: TObject);
procedure cbStaticYChange(Sender: TObject);
procedure CbSuppressPrevUnitChange(Sender: TObject);
procedure cbUnitsXChange(Sender: TObject);
procedure cbUnitsYChange(Sender: TObject);
procedure ChartCustomMarksAxisList1MarkToText(var AText: String; AMark: Double);
@ -104,6 +107,11 @@ begin
ChartPosition.AxisList[2].Visible := cbStaticY.Checked;
end;
procedure TForm1.CbSuppressPrevUnitChange(Sender: TObject);
begin
DateTimeIntervalChartSource1.SuppressPrevUnit := CbSuppressPrevUnit.Checked;
end;
procedure TForm1.cbUnitsXChange(Sender: TObject);
begin
ChartPosition.AxisList[1].PositionUnits := TChartUnits(cbUnitsX.ItemIndex);

3
components/tachart/tacustomsource.pas
View File

@ -123,8 +123,8 @@ type
TBasicChartSource = class(TComponent)
strict private
FBroadcaster: TBroadcaster;
FUpdateCount: Integer;
strict protected
FUpdateCount: Integer;
procedure Notify;
public
constructor Create(AOwner: TComponent); override;
@ -156,7 +156,6 @@ type
strict protected
FExtent: TDoubleRect;
FExtentIsValid: Boolean;
FUpdateCount: Integer;
FValuesTotal: Double;
FValuesTotalIsValid: Boolean;
FXCount: Cardinal;

4
components/tachart/taintervalsources.pas
View File

@ -375,9 +375,9 @@ end;
procedure TDateTimeIntervalChartSource.SetSuppressPrevUnit(AValue: Boolean);
begin
if FSuppressPrevUnit = AValue then exit;
BeginUpdate;
FSuppressPrevUnit := AValue;
InvalidateCaches;
Notify;
EndUpdate;
end;
procedure TDateTimeIntervalChartSource.ValuesInRange(