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Bug with DependencyLines and RowHeightBinding
hpbruehlmann
#1 Posted : Thursday, November 29, 2012 10:00:50 AM

Posts: 2

Hi

There seems to be a bug with the RowHeightBinding property and the dependency lines in the FlexyGantt control.
If the row height is defined through the RowHeightBinding property, the dependency lines are not drawn correctly.

RowHeight defined (everything is OK)

Code:
        <fxgantt:FlexyGantt x:Name="fxgantt" Grid.Row="1" Grid.Column="1" ItemTemplate="{StaticResource TreeTemplate}"
                            TaskListBinding="{Binding EmployeeTasks}" TaskStartTimeBinding="{Binding StartTime, Mode=TwoWay}"
                            TaskEndTimeBinding="{Binding EndTime, Mode=TwoWay}" ParentTaskStartTimeBinding="{Binding OverallStartTime}"
                            ParentTaskEndTimeBinding="{Binding OverallEndTime}"
                            TreeHeaderContent="Teams" CustomSourceListViewTemplate="{StaticResource flexyGanttTableTemplate}"
                            OverlappedTasksRenderingOptimization="ShrinkHeight"
                            RowHeight="30"
                            DependencyLineStartRowItemBinding="{Binding StartTask.Employee}"
                            DependencyLineEndRowItemBinding="{Binding EndTask.Employee}"
                            DependencyLineStartItemBinding="{Binding StartTask}"
                            DependencyLineEndItemBinding="{Binding EndTask}"
                            DependencyLineTypeBinding="{Binding DependencyType}">




RowHeightBinding used (the lines are not drawn correctly)

Code:
        <fxgantt:FlexyGantt x:Name="fxgantt" Grid.Row="1" Grid.Column="1" ItemTemplate="{StaticResource TreeTemplate}"
                            TaskListBinding="{Binding EmployeeTasks}" TaskStartTimeBinding="{Binding StartTime, Mode=TwoWay}"
                            TaskEndTimeBinding="{Binding EndTime, Mode=TwoWay}" ParentTaskStartTimeBinding="{Binding OverallStartTime}"
                            ParentTaskEndTimeBinding="{Binding OverallEndTime}"
                            TreeHeaderContent="Teams" CustomSourceListViewTemplate="{StaticResource flexyGanttTableTemplate}"
                            OverlappedTasksRenderingOptimization="ShrinkHeight"
                            RowHeightBinding="{Binding MaxOverlappingBlocksRowCount, Converter={StaticResource rowHeightProvider}}"
                            DependencyLineStartRowItemBinding="{Binding StartTask.Employee}"
                            DependencyLineEndRowItemBinding="{Binding EndTask.Employee}"
                            DependencyLineStartItemBinding="{Binding StartTask}"
                            DependencyLineEndItemBinding="{Binding EndTask}"
                            DependencyLineTypeBinding="{Binding DependencyType}">




Thanks for a solution.
HP
support
#2 Posted : Thursday, November 29, 2012 11:48:38 AM

Posts: 469

HP,

The FlexyGantt currently doesn't support dependency lines with the varying row height through RowHeightBinding feature. Though you haven't showed in the screenshot, we are assuming that you are using the RowHeightBinding to support varying row heights.

Thanks
Support
hpbruehlmann
#3 Posted : Friday, November 30, 2012 3:49:06 AM

Posts: 2

support wrote:

The FlexyGantt currently doesn't support dependency lines with the varying row height through RowHeightBinding feature. Though you haven't showed in the screenshot, we are assuming that you are using the RowHeightBinding to support varying row heights.


Yes I want to have varying row heights.



Is there a way to recalculate the depencency lines manually or set the row height for each row elsewhere?

Thanks
HP
support
#4 Posted : Monday, December 03, 2012 9:50:03 AM

Posts: 469

HP,

Unfortunately, currently there is no support/workaround for dep lines and varying row heights. This is in our list of features to support and we will try to support this soon.

Thanks
Support
ricky.blankenaufulland
#5 Posted : Wednesday, November 13, 2013 2:41:37 AM

Posts: 14

Hello!

Was his fixed? I have the same problem with the WPF gantt component.

Best regards,
Ricky
ricky.blankenaufulland
#6 Posted : Wednesday, November 13, 2013 2:53:26 AM

Posts: 14

I also have to add I use a vertical margin to fit more than one task in parallel in a row so I get very custom positioning and the dependency lines even fail with a fixed RowHeight because of this (they aim at the middle of the row).
So there should not only be a DependencyLineStartRowItemBinding but also an optional DependencyLineStartRowItemYPositionBinding...
support
#7 Posted : Wednesday, November 13, 2013 9:27:37 AM

Posts: 469

Ricky,

We are investigating if this is something we can support in short order, we will update you soon.

Thanks
Support
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