More right click menu's subpopup position improvement. (#2977) (algebra view context menu appears within the screen)

git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@27549 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e
Improvements to yesterday's conditional function fixes

git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@27550 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e
ColorBar refactoring

git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@27551 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e
style changes

git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@27552 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e
code cleaning added some throw new UnsupportedOperationException() to prevent pitfalls 

git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@27553 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e