~shikharkohli/sahana-eden/gsoc1

// Supports feature create controls (Point, Line & Polygon)

// On Creating a new feature, display a popup box to enter details.

function shn_gis_map_create_feature(feature){

    // If adding a new popup before an old one is completed, kill old popup (current feature is set to null at end of process)

    if(currentFeature != null){

        currentFeature.popup.hide();

        featuresLayer.removeFeatures([currentFeature]);

        currentFeature.popup.destroy(currentFeature.popup);

        currentFeature.destroy();

    }

    // Generate Popup + Props

    var fc_id = null;

    var fc_lonlat = feature.geometry.getBounds().getCenterLonLat();

    var fc_size = null;

    var fc_contentHTML = "<div class='gis_openlayers_popupbox' id='popup_0'><form method='post' action='{{=URL(r=request, c='gis', f='feature', args=['create'], vars=dict(format='json'))}}' id='form0' name='form0'> <div class='gis_openlayers_popupbox_header'> <div class='gis_openlayers_popupbox_header_r'> <div class='gis_openlayers_popupbox_author'><label for='gis_popup_author' >Author:</label> <input type='text' name='gis_popup_author' id='popup_0_popup_auth' size='15' maxlength='60' tabindex=8 /></div>       <div class='gis_openlayers_popupbox_date'><label for='gis_popup_date' >Date:</label> <input type='text' name='gis_popup_date' id='popup_0_popup_edate' size='15' tabindex=9 /></div></div><div class='gis_openlayers_popupbox_header_l'> <div class='gis_openlayers_popupbox_name'><label for='gis_popup_name'>Name:</label> <span><input type='text' name='gis_popup_name' id='popup_0_popup_name' size='10' maxlength='60' tabindex=6 /></span> ()</div>       <div class='gis_openlayers_popupbox_url'><label for='gis_popup_name'>Url:</label> <input type='text' name='gis_popup_url' id='popup_0_popup_url' size='40' maxlength='100' tabindex=7 /></div>     </div>      <div class='gis_openlayers_popupbox_address'><b>Address:</b> <input type='text' name='gis_popup_address' id='popup_0_popup_add' size='55' maxlength='200' tabindex=10 /></div>   </div>   <div class='gis_openlayers_popupbox_body'>     <span class='gis_openlayers_popupbox_text'><textarea rows='5' cols='70' name='gis_popup_desc' id='popup_0_popup_desc' tabindex=11 ></textarea></span>  </div>  <div class='gis_openlayers_popupbox_footer'>      <span><a onclick='shn_gis_popup_new_cancel(&#39popup_0&#39)' alt='cancel'><div class='gis_openlayers_popupbox_edit_cancel' style='width: 17px; height: 17px;'></div><span>cancel</span></a></span> <span><a onclick='shn_gis_popup_new_ok(&#39popup_0&#39)' alt='ok'><div class='gis_openlayers_popupbox_edit_ok' style='width: 17px; height: 17px;'></div><span>ok</span></a></span>   </div>  <div style='clear: both;'></div></form></div>";

    var fc_anchor = null;

    var fc_closeBox = true; // Bad can close without create...

    var fc_closeBoxCallback = shn_gis_popup_new_cancel;

    var framedCloud = new OpenLayers.Popup.FramedCloud(fc_id, fc_lonlat, fc_size, fc_contentHTML, fc_anchor, fc_closeBox, fc_closeBoxCallback);

    framedCloud.autoSize = true;

    framedCloud.minSize = new OpenLayers.Size(460,270);

    // Add Popup

    feature.popup = framedCloud;

    map.addPopup(feature.popup);

    feature.popup.show();

    currentFeature = feature;

}

// Called by closeBox in Popup

function shn_gis_popup_new_cancel(){

    currentFeature.popup.hide();

    featuresLayer.removeFeatures([currentFeature]);

    currentFeature.popup.destroy(currentFeature.popup);

    currentFeature.destroy();

    currentFeature = null;

}

 

// Supports selectControl for All Feature Layers

function onFeatureUnselect(event) {

    var feature = event.feature;

    if (feature.popup) {

        map.removePopup(feature.popup);

        feature.popup.destroy();

        delete feature.popup;

    }

}

 

// Supports Internal FeatureGroup Layers

function onFeatureSelect(event) {

    var feature = event.feature;

    if (feature.popup == null) {

        popup = feature.makePopup();

        feature.popup = popup

        map.addPopup(popup);

        popup.show();

    } else {

        feature.popup.toggle();

    }

}

 

// Supports toolbar selectControl for Draft Features

function onFeatureControlSelect(feature){

    // Set global for back referencing

    currentFeature = feature;

    if (feature.popup.map == null) {

        map.addPopup(feature.popup);

        feature.popup.show();

    } else {

        feature.popup.toggle();

    }

}

function onFeatureControlUnselect(feature) {

    if (feature.popup != null) {

        feature.popup.hide();

    }

}

 

// Add marker to map (called by ol_layers_features.js)

function add_Feature_with_popup(layer, feature_id, geom, popupContentHTML, iconURL) {

    // Set icon dims

    var icon_img = new Image();

    icon_img.src = iconURL;

    var max_w = 25;

    var max_h = 35;

    var width = icon_img.width;

    var height = icon_img.height;

    if(width > max_w){

        height = ((max_w / width) * height);

        width = max_w;

    }

    if(height > max_h){

        width = ((max_h / height) * width);

        height = max_h;

    }

    // http://www.nabble.com/Markers-vs-Features--td16497389.html

    var style_marker = OpenLayers.Util.extend({}, OpenLayers.Feature.Vector.style['default']);

    style_marker.graphicWidth = width;

    style_marker.graphicHeight = height;

    style_marker.graphicXOffset = -(width / 2);

    style_marker.graphicYOffset = -height;

    style_marker.externalGraphic = iconURL;

    style_marker.graphicOpacity = 1;

    // Create Feature Vector

    var featureVec = new OpenLayers.Feature.Vector(geom, null, style_marker);

    featureVec.fid = feature_id;

    // Create Popup

    var fc_id = null;

    var fc_lonlat = featureVec.geometry.getBounds().getCenterLonLat();

    var fc_size = null;

    var fc_contentHTML = popupContentHTML;

    var fc_anchor = null;

    var fc_closeBox = true;

    var fc_closeBoxCallback = onPopupClose;

    var makePopup = function(){

        var framedCloud = new OpenLayers.Popup.FramedCloud(fc_id, fc_lonlat, fc_size, fc_contentHTML, fc_anchor, fc_closeBox, fc_closeBoxCallback);

        framedCloud.autoSize = true;

        framedCloud.minSize = new OpenLayers.Size(460,270);

        return framedCloud;

    }

    // Add Popup

    featureVec.popup = null;

    featureVec.makePopup = makePopup;

 

    // Add Feature

    layer.addFeatures([featureVec]);

}

// Supports add_Feature_with_popup()

function onPopupClose(evt) {

    //currentFeature.popup.hide();

    popupControl.unselectAll();

}