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portal highlighter system

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- add an alternative API that includes a setSelected callback, so highlighters know when they're turned on/off
- fix bug where highlighters were selected multiple times
- a few other cleanups
This commit is contained in:
Jon Atkins 2013-11-14 07:39:33 +00:00
parent be5f365ff6
commit 7fc13f0c9e
1 changed files with 41 additions and 16 deletions
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57
code/portal_highlighter.js
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@ -1,37 +1,49 @@
// Portal Highlighter //////////////////////////////////////////////////////////
// these functions handle portal highlighters
// an object mapping highlighter names to the object containing callback functions
window._highlighters = null;
// the name of the current highlighter
window._current_highlighter = localStorage.portal_highlighter;
window._no_highlighter = 'No Highlights';
if(window._current_highlighter !== undefined) {
if (typeof android !== 'undefined' && android && android.setActiveHighlighter)
android.setActiveHighlighter(window._current_highlighter);
}
window.addPortalHighlighter = function(name, callback) {
window.addPortalHighlighter = function(name, data) {
if(_highlighters === null) {
_highlighters = {};
}
_highlighters[name] = callback;
// old-format highlighters just passed a callback function. this is the same as just a highlight method
if (!data.highlight) {
data = {highlight: data}
}
_highlighters[name] = data;
if (typeof android !== 'undefined' && android && android.addPortalHighlighter)
android.addPortalHighlighter(name);
if(localStorage.portal_highlighter === undefined) {
if(window._current_highlighter === undefined) {
_current_highlighter = name;
}
if (_current_highlighter == name) {
if (typeof android !== 'undefined' && android && android.setActiveHighlighter)
android.setActiveHighlighter(name);
localStorage.portal_highlighter = name;
// call the setSelected callback
if (_highlighters[_current_highlighter].setSelected) {
_highlighters[_current_highlighter].setSelected(true);
}
}
portalHighlighterControl();
updatePortalHighlighterControl();
}
window.portalHighlighterControl = function() {
// (re)creates the highlighter dropdown list
window.updatePortalHighlighterControl = function() {
if (typeof android !== 'undefined' && android && android.addPortalHighlighter) {
$('#portal_highlight_select').remove();
return;
@ -40,6 +52,9 @@ window.portalHighlighterControl = function() {
if(_highlighters !== null) {
if($('#portal_highlight_select').length === 0) {
$("body").append("<select id='portal_highlight_select'></select>");
$("#portal_highlight_select").change(function(){ changePortalHighlights($(this).val());});
$(".leaflet-top.leaflet-left").css('padding-top', '20px');
$(".leaflet-control-scale-line").css('margin-top','25px');
}
$("#portal_highlight_select").html('');
$("#portal_highlight_select").append($("<option>").attr('value',_no_highlighter).text(_no_highlighter));
@ -48,17 +63,27 @@ window.portalHighlighterControl = function() {
$.each(h_names, function(i, name) {
$("#portal_highlight_select").append($("<option>").attr('value',name).text(name));
});
$("#portal_highlight_select").val(_current_highlighter);
$("#portal_highlight_select").change(function(){ changePortalHighlights($(this).val());});
$(".leaflet-top.leaflet-left").css('padding-top', '20px');
$(".leaflet-control-scale-line").css('margin-top','25px');
}
}
window.changePortalHighlights = function(name) {
// first call any previous highlighter select callback
if (_current_highlighter && _highlighters[_current_highlighter] && _highlighters[_current_highlighter].setSelected) {
_highlighters[_current_highlighter].setSelected(false);
}
_current_highlighter = name;
if (typeof android !== 'undefined' && android && android.setActiveHighlighter)
android.setActiveHighlighter(name);
// now call the setSelected callback for the new highlighter
if (_current_highlighter && _highlighters[_current_highlighter] && _highlighters[_current_highlighter].setSelected) {
_highlighters[_current_highlighter].setSelected(true);
}
resetHighlightedPortals();
localStorage.portal_highlighter = name;
}
@ -66,7 +91,7 @@ window.changePortalHighlights = function(name) {
window.highlightPortal = function(p) {
if(_highlighters !== null && _highlighters[_current_highlighter] !== undefined) {
_highlighters[_current_highlighter]({portal: p});
_highlighters[_current_highlighter].highlight({portal: p});
}
}