Initial commit Station Graph #7
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LineGraphScene: class to hold a graph and its logics StationGraphObject: represent a single station inside the railway line
LineGraphScene: class to hold a graph and its logics StationGraphObject: represent a single station inside the railway line
…imetable_GIT_master_ into new_station_graph
Implement loading full railway line.
LineGraphViewport: draws station platforms and jobs StationLabelsHeader: draws station labels on top of graph
HourPanel: shows hour labels on the left LineGraphWidget: manages the graph logic all in one class.
It's more clear and smaller classes are better
Allow setting model after creating the line edit
Now NoGraph is -1 so in a combobox it gets empty name.
Manages the graph selection and in future maybe zooming
Leftovers of conflict caused by messy commits when I started this branch
Initialize scene to nullptr
Starting from -1 allowed to have empty combobox on NoGraph but this way when setting another value you cannot go back to NoGraph which is needed to clear the graph query object for now. Without finalizing SQL statements (in future will be done automatically on timer basis) the database canno close correctly.
Always clear previous model when changing type and also clear line edit when selecting NoGraph
LineGraphScene: allow setting NoGraph
* Re-use names already fetched by scene when possible
* Paint electric platform in blue and embolden throgh tracks
Behavior is unaffected.
LineGraphScene: do not reload when requested same object unless forced.
Initial implementation. All models or part of code which modify railway layout report to MeetingSession.
Single instance member of ViewManager. Central place which listens to notifications about railway layout changes from MeetingSession and decides which graphs needs to be refreshed. It is also a central place to clear all graph before closing database. All scenes must be registered, they get automatially unregistered if destroyed.
Subclass of QAbstractScrollArea which is a bit more efficient than having a custom QWidget (formet LineGraphViewport) inside a QScrollArea. QScrollArea was already subclassed in LineGraphScrollArea to add headers (HourPanel and StationLabelsHeader). LineGraphView replaces both LineGraphViewport and LineGraphScrollArea in a single class and manages headers.
Update viewport instead of the scroll view (self) to prevent glitches on clearing graph. No need to manually paint background for now. Set background to white for a better contrast with the graph and to be closer to printed output.
LineGraphView is a subclass of QAbstractScrollArea which is a subclass of QFrame. QFrame draws a box around widget contents but we cover top and left borders with our custom headers. Move the headers away.
Do not calculate size in LineGraphView, do it in scene.
Center station labels on station platforms and leave half stationOffset on left and right borders of graph to give extra space for last station label and to separate a bit first station from HourPanel.
Listen settings for changes and update consequently.
Listen setting for changes and reload all scenes
Not working. Needs translating rect argument.
Draw visible hour lines in the background.
Now horizOffset is already included in station xPos And also half station offset on left to searate first station from HourPanel.
This reverts commit 77d1410.
…imetable_GIT_master_ into new_station_graph
New database schema diagram generated by SchemaCrawler.
Added diagram with old_* tables excluded for clarity. I.e. old_stops just mirrors stops so do not put it in diagram.
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LineGraphScene: class to hold a graph and its logics
StationGraphObject: represent a single station inside the railway line
Issue #4