webgui/www/extras/yui-webgui/build/map/map.js

358 lines
12 KiB
JavaScript

// Initialize namespace
if (typeof WebGUI == "undefined") {
var WebGUI = {};
}
if (typeof WebGUI.Map == "undefined") {
WebGUI.Map = {};
}
// Keep track of all points on all maps and how to focus on them
// A hash (map) of hashes (markers)
WebGUI.Map.markers = {};
// Keep a loading dialog
WebGUI.Map.loadingDialog = undefined;
/**
* WebGUI.Map.deletePoint( map, mgr, marker )
* Delete a point from the map.
* NOTE: We assume the user has already confirmed this action
*/
WebGUI.Map.deletePoint
= function ( map, mgr, marker ) {
var callback = function ( text, code ) {
WebGUI.Map.hideLoading();
var response = YAHOO.lang.JSON.parse( text );
// remove the marker from the map
if ( !response.error ) {
mgr.removeMarker( marker );
delete WebGUI.Map.markers[ map.assetId ][ marker.assetId ];
}
};
WebGUI.Map.showLoading();
GDownloadUrl( map.url + '?func=ajaxDeletePoint;assetId=' + marker.assetId, callback);
};
/**
* WebGUI.Map.editPoint( map, mgr, marker )
* Edit a point on the map.
* up the edit box. mgr is the Marker Manager to add the marker
* to.
*/
WebGUI.Map.editPoint
= function ( map, mgr, marker ) {
var assetId = '';
if ( !marker ) {
marker = new GMarker( map.getCenter(), { draggable: true } );
marker.infoWin = document.createElement("div");
marker.bindInfoWindow( marker.infoWin );
marker.map = map;
mgr.addMarker( marker, 0 );
mgr.refresh();
assetId = "new";
marker.assetId = "new";
GEvent.addListener( marker, "dragend", function (latlng) {
WebGUI.Map.setPointLocation( marker, latlng );
} );
}
else {
assetId = marker.assetId;
}
// Callback should open the window with the form
var callback = function (text, code) {
YAHOO.util.Dom.addClass( document.body, "yui-skin-sam" );
var dialog = new YAHOO.widget.Dialog("editPoint");
var handleCancel = function() {
if ( marker.assetId == "new" ) {
mgr.removeMarker( marker );
}
this.cancel();
}
var handleSubmit = function() {
// Add the lat/long to the form
var lat = marker.getLatLng().lat();
var lng = marker.getLatLng().lng();
this.form.elements['latitude'].value = lat;
this.form.elements['longitude'].value = lng;
WebGUI.Map.showLoading();
this.submit();
}
var myButtons = [
{ text:"Submit", handler:handleSubmit, isDefault:true },
{ text:"Cancel", handler:handleCancel }
];
dialog.cfg.queueProperty("buttons", myButtons);
dialog.cfg.queueProperty("constraintoviewport", true);
dialog.cfg.queueProperty("fixedcenter", true);
dialog.setBody( text );
dialog.render(document.body);
dialog.show();
dialog.callback = {
upload: function (o) {
// Update marker info
var point = YAHOO.lang.JSON.parse( o.responseText );
marker.assetId = point.assetId;
marker.title = point.title;
GEvent.clearListeners( marker, "click" );
GEvent.clearListeners( marker, "infowindowbeforeclose" );
// Decode HTML entities because JSON is being returned as text/html
// See WebGUI::Asset::Wobject::Map www_ajaxEditPointSave
var decoder = document.createElement( "textarea" );
decoder.innerHTML = point.content;
point.content = decoder.value;
var infoWin = document.createElement( "div" );
infoWin.innerHTML = point.content;
marker.infoWin = infoWin;
if ( point.canEdit == 1 ) {
var divButton = document.createElement('div');
infoWin.appendChild( divButton );
var editButton = document.createElement("input");
editButton.type = "button";
editButton.value = "Edit";
GEvent.addDomListener( editButton, "click", function () {
WebGUI.Map.editPoint( map, mgr, marker );
} );
divButton.appendChild( editButton );
var deleteButton = document.createElement("input");
deleteButton.type = "button";
deleteButton.value = "Delete"; // Replace with i18n
GEvent.addDomListener( deleteButton, "click", function () {
if ( confirm("Are you sure you want to delete this point?") ) {
WebGUI.Map.deletePoint( map, mgr, marker );
}
} );
divButton.appendChild( deleteButton );
}
WebGUI.Map.hideLoading();
marker.bindInfoWindow( infoWin );
if( point.isGeocoded == 1 ) {
//Move the marker to the right location
mgr.removeMarker( marker );
marker.setLatLng(new GLatLng( point.latitude, point.longitude ));
marker.disableDragging();
mgr.addMarker(marker,0);
}
else {
marker.enableDragging();
GEvent.addListener( marker, "dragend", function (latlng) {
WebGUI.Map.setPointLocation( marker, latlng );
} );
}
WebGUI.Map.markers[map.assetId][marker.assetId] = marker;
WebGUI.Map.updateSelectPoint( map );
}
};
// Hide the loading dialog
WebGUI.Map.hideLoading();
};
// Show the loading dialog
WebGUI.Map.showLoading();
// Get the form
GDownloadUrl( map.url + '?func=ajaxEditPoint;assetId=' + assetId, callback );
};
/**
* WebGUI.Map.focusOn( pointId )
* Pan the appropriate map to view the appropriate map point
*/
WebGUI.Map.focusOn
= function ( pointId ) {
var marker;
for ( var mapId in WebGUI.Map.markers ) {
if ( WebGUI.Map.markers[mapId][pointId] ) {
marker = WebGUI.Map.markers[mapId][pointId];
break;
}
}
if ( !marker ) return;
var map = marker.map;
var infoWin = marker.infoWin;
if ( map.getZoom() <= 4 ) {
map.setZoom(5);
}
map.panTo( marker.getLatLng() );
marker.openInfoWindow( marker.infoWin );
};
WebGUI.Map.hideLoading
= function () {
WebGUI.Map.loadingDialog.hide();
};
/**
* WebGUI.Map.preparePoints ( map, mgr, points )
* Prepare the points from WebGUI into Google Map GMarkers
*/
WebGUI.Map.preparePoints
= function ( map, mgr, points ) {
WebGUI.Map.markers[map.assetId] = {};
// Transform points into markers
var markers = [];
for ( var i = 0; i < points.length; i++ ) (function(i){ // Create closure for callbacks
var point = points[i];
var latlng = new GLatLng( point.latitude, point.longitude );
var canDrag = (point.canEdit == 1 && point.isGeocoded == 0) ? true : false;
var marker = new GMarker( latlng, {
title: point.title,
draggable: canDrag
} );
marker.assetId = point.assetId;
marker.title = point.title;
marker.map = map;
// Create info window
var infoWin = document.createElement( "div" );
infoWin.innerHTML = point.content;
marker.infoWin = infoWin;
// Make editable features
if ( point.canEdit ) {
var divButton = document.createElement('div');
var editButton = document.createElement("input");
editButton.type = "button";
editButton.value = "Edit"; // Replace with i18n
GEvent.addDomListener( editButton, "click", function () {
WebGUI.Map.editPoint( map, mgr, marker );
} );
divButton.appendChild( editButton );
var deleteButton = document.createElement("input");
deleteButton.type = "button";
deleteButton.value = "Delete"; // Replace with i18n
GEvent.addDomListener( deleteButton, "click", function () {
if ( confirm("Are you sure you want to delete this point?") ) {
WebGUI.Map.deletePoint( map, mgr, marker );
}
} );
divButton.appendChild( deleteButton );
infoWin.appendChild( divButton );
GEvent.addListener( marker, "dragend", function (latlng) {
WebGUI.Map.setPointLocation( marker, latlng );
} );
}
// Keep info
WebGUI.Map.markers[map.assetId][point.assetId] = marker;
marker.bindInfoWindow( infoWin );
markers.push(marker);
})(i);
return markers;
};
/**
* WebGUI.Map.setCenter ( map, baseUrl )
* Set the new center point and zoom level of the map.
* map is the Google Map object
* baseUrl is the base URL to the Map asset
*/
WebGUI.Map.setCenter
= function ( map, baseUrl ) {
var url = baseUrl + '?func=ajaxSetCenter';
var center = map.getCenter();
url = url + ';startLatitude=' + center.lat()
+ ';startLongitude=' + center.lng()
+ ';startZoom=' + map.getZoom()
;
var callback = function ( text, code ) {
// TODO: Notify the poor user
WebGUI.Map.hideLoading();
};
WebGUI.Map.showLoading();
GDownloadUrl(url,callback);
};
/**
* WebGUI.Map.setPointLocation( marker, latlng )
* Update the point's location in the database.
*/
WebGUI.Map.setPointLocation
= function ( marker, latlng ) {
var url = marker.map.url + '?func=ajaxSetPointLocation'
+ ';assetId=' + marker.assetId
+ ';latitude=' + latlng.lat()
+ ';longitude=' + latlng.lng()
;
var callback = function ( text, code ) {
// TODO: Notify the poor user
WebGUI.Map.hideLoading();
};
WebGUI.Map.showLoading();
GDownloadUrl(url, callback);
};
WebGUI.Map.showLoading
= function () {
// Create a loading dialog
if ( !WebGUI.Map.loadingDialog ) {
var loadingDialog = new YAHOO.widget.Panel("loading", { width:"240px",
fixedcenter:true,
close:false,
draggable:false,
zindex:4,
modal:true,
visible:false
}
);
loadingDialog.setHeader("Loading, please wait...");
loadingDialog.setBody('<img src="' + getWebguiProperty('extrasURL') + '/yui-webgui/build/map/assets/loading.gif" />');
loadingDialog.render(document.body);
WebGUI.Map.loadingDialog = loadingDialog;
}
WebGUI.Map.loadingDialog.show();
};
WebGUI.Map.updateSelectPoint
= function (map) {
var select = document.getElementById( 'selectPoint_' + map.assetId );
if ( !select) {
return;
}
// Clear old points
while ( select.options.length > 1 ) {
select.length = 1;
}
var markers = WebGUI.Map.markers[map.assetId];
var sorted = [];
for ( var pointId in markers ) {
sorted.push( pointId );
}
sorted.sort( function (a,b) {
var ma = WebGUI.Map.markers[map.assetId][a];
var mb = WebGUI.Map.markers[map.assetId][b];
if ( ma.title > mb.title ) { return 1; }
else if ( ma.title < mb.title ) { return -1; }
else { return 0; }
} );
// Add new points
for ( var i = 0; i < sorted.length; i++ ) {
select.options[ select.options.length ]
= new Option( markers[sorted[i]].title, sorted[i] );
}
};