The project consists of a USER MANAGEMENT module that supports (3) distinct users: super user, country user and area user, difference being geographic access to Google map changes. The users can perform different actions like adding, deleting and updating Google map markers, also uploading of content must be facilitated and recorded per user.
The Google map + EXTJS frontend module that provides the GUI with user login and map manipulation
And the back end systems should use JDBC + JAVA DAO to access database via SQL prepared statements.
Communication between EXTJS and JAVA / DB should be servlets serving JSON data (1-2 servlets should be more than sufficient) note: no JSPs, and JSON data returned should be area specific depending on current view of map.
Finally a marker clustering solution is required that allows multiple markers on same or close to same point must be included could either be 1) markers spike out on hover or click action with a line referencing there point (Google Earth does this ), Or multiple markers near and around a point are server as multiple tabs. Or other solution can be considered if appropriate.
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