~shikharkohli/sahana-eden/gsoc1

// Activate Control for navigating around the maps.

function shn_gis_map_control_navigate(){

    shn_gis_map_control_deactivate_all();

    document.getElementById('gis_map_icon_select').style.backgroundImage = "url(res/OpenLayers/theme/default/img/move_feature_on.png)";

    document.getElementById('gis_map_icon_description').innerHTML = 'Mode: Navigate';

}

// Activate Control for selecting features.

function shn_gis_map_control_select(){

    shn_gis_map_control_deactivate_all();

    document.getElementById('gis_map_icon_select').style.backgroundImage = "url(res/OpenLayers/theme/default/img/move_feature_on.png)";

    document.getElementById('gis_map_icon_description').innerHTML = 'Mode: Select';

    selectControl.activate();

}

// Activate Control for dragging features.

function shn_gis_map_control_drag(){

    shn_gis_map_control_deactivate_all();

    document.getElementById('gis_map_icon_drag').style.backgroundImage = "url(res/OpenLayers/theme/default/img/pan_on.png)";

    document.getElementById('gis_map_icon_description').innerHTML = 'Mode: Drag';

    dragControl.activate();

}

// Activate Control for modifying features.

function shn_gis_map_control_modify(){

    shn_gis_map_control_deactivate_all();

    //document.getElementById('gis_map_icon_modify').style.backgroundImage = "url()";

    //document.getElementById('gis_map_icon_description').innerHTML = 'Mode: Modify';

    //modifyControl.activate();

}

// Activate Control for adding point features.

function shn_gis_map_control_add_point(){

    shn_gis_map_control_deactivate_all();

    document.getElementById('gis_map_icon_addpoint').style.backgroundImage = "url(res/OpenLayers/theme/default/img/draw_point_on.png)";

    document.getElementById('gis_map_icon_description').innerHTML = 'Mode: Add Point';

    pointControl.activate();

}

// Activate Control for adding line features.

function shn_gis_map_control_add_line(){

    shn_gis_map_control_deactivate_all();

    document.getElementById('gis_map_icon_addline').style.backgroundImage = "url(res/OpenLayers/theme/default/img/draw_line_on.png)";

    document.getElementById('gis_map_icon_description').innerHTML = 'Mode: Add line';

    lineControl.activate();

}

// Activate Control for adding polygon features.

function shn_gis_map_control_add_polygon(){

    shn_gis_map_control_deactivate_all();

    document.getElementById('gis_map_icon_addpolygon').style.backgroundImage = "url(res/OpenLayers/theme/default/img/draw_polygon_on.png)";

    document.getElementById('gis_map_icon_description').innerHTML = 'Mode: Add Area';

    polygonControl.activate();

}

// Activate Control for drawing features freehand.

function shn_gis_map_control_freehand(){

    if(lineControl.handler.freehand){

        document.getElementById('gis_map_icon_freehand').style.backgroundImage = "url(res/OpenLayers/theme/default/img/freehand_off.png)";

        document.getElementById('gis_map_icon_description').innerHTML = 'Mode: Freehand OFF';

        lineControl.handler.freehand = false;

        polygonControl.handler.freehand = false;

    } else{

        document.getElementById('gis_map_icon_freehand').style.backgroundImage = "url(res/OpenLayers/theme/default/img/freehand_on.png)";

        document.getElementById('gis_map_icon_description').innerHTML = 'Mode: Freehand ON';

        lineControl.handler.freehand = true;

        polygonControl.handler.freehand = true;

    }

}

// Deactivate all other controls

function shn_gis_map_control_deactivate_all(){

    // Turn off navigate

    var nav = document.getElementById('gis_map_icon_select')

    if(nav != null){

        nav.style.backgroundImage = "url(res/OpenLayers/theme/default/img/move_feature_off.png)";

    }

    // Turn off select

    if(selectControl != null){

        selectControl.unselectAll();

        selectControl.deactivate();

        document.getElementById('gis_map_icon_select').style.backgroundImage = "url(res/OpenLayers/theme/default/img/move_feature_off.png)";

    }

    // Turn off drag

    if(dragControl != null){

        dragControl.deactivate();

        document.getElementById('gis_map_icon_drag').style.backgroundImage = "url(res/OpenLayers/theme/default/img/pan_off.png)";

    }

    // Turn off modify

    //if(modifyControl != null){

    //modifyControl.deactivate();

    //}

    // Drop features/popups in progress from a create feature.

    if(currentFeature != null && ((pointControl != null && pointControl.active) || (lineControl != null && lineControl.active) || (polygonControl != null && polygonControl.active))){

        if(currentFeature.popup != null){

            currentFeature.popup.hide();

            currentFeature.popup.destroy(currentFeature.popup);

        }

        featuresLayer.removeFeatures([currentFeature]);

        currentFeature.destroy();

        currentFeature = null;

    }

    // Hide any popup showing and deactivate current feature.

    if(currentFeature != null){

        if(currentFeature.popup != null){

            currentFeature.popup.hide();

        }

        currentFeature = null;

    }

    // Turn off point add

    if(pointControl != null){

        pointControl.deactivate();

        document.getElementById('gis_map_icon_addpoint').style.backgroundImage = "url(res/OpenLayers/theme/default/img/draw_point_off.png)";

    }

    // Turn off line add

    if(lineControl != null){

        lineControl.deactivate();

        document.getElementById('gis_map_icon_addline').style.backgroundImage = "url(res/OpenLayers/theme/default/img/draw_line_off.png)";

    }

    // Turn off polygon add

    if(polygonControl != null){

        polygonControl.deactivate();

        document.getElementById('gis_map_icon_addpolygon').style.backgroundImage = "url(res/OpenLayers/theme/default/img/draw_polygon_off.png)";

    }

}