source: main/trunk/model-sites-dev/pei-jones/script/setup-features.js@ 31794

/**
* This method extracts all strings within curly brackets
* in the passed json string. This method is used in conjunction
* with getExistingImageNotes(matches) below to load in and
* display any existing image annotations.
**/
function getImageNoteMatches(imageJson){
        var matches = [];
        var regex = /{([^}]+)}/g;
        var currMatch;
                        
        while(currMatch = regex.exec(imageJson)){
            matches.push(currMatch[1]);
        }
                        
        return matches;
}

/**
* This method extracts all notes from an array of 
* strings and creates an associative array with the
* information from these notes. This is for loading
* and displaying any existing image annotations.
**/         
function getExistingImageNotes(matches,pageNum){
                    
        var existing_notes = new Array();
                    
        //split each string stored in matches at the comma.
        for(var i = 0; i < matches.length; i++){
            var a = {};
            var split = matches[i].split(',');
                            
            for(var j =0; j < split.length; j++){
                //split each string by the colon mark.
                var splitAgain = split[j].split(':');
                var val;
                            
                //check word in first string of splitAgain
                if(splitAgain[0].indexOf("top") != -1){
                    val = splitAgain[1].substring(1);
                    a['top'] = val;
                }else if(splitAgain[0].indexOf("left") != -1){
                    val = splitAgain[1].substring(1);
                    a['left'] = val;
                }else if(splitAgain[0].indexOf("width") != -1){
                    val = splitAgain[1].substring(1);
                    a['width'] = val;
                }else if(splitAgain[0].indexOf("height") != -1){
                    val = splitAgain[1].substring(1);
                    a['height'] = val;
                }else if(splitAgain[0].indexOf("text") != -1){
                    val = splitAgain[1].substring(2,splitAgain[1].length-1);
                    a['text'] = val;
                }else if(splitAgain[0].indexOf("id") != -1){
                    val = splitAgain[1].substring(1);
                    a['id'] = val;
                }else if(splitAgain[0].indexOf("editable") != -1){
                    val = splitAgain[1].substring(1,splitAgain[1].length-1);
                    a['editable'] = val;
                }else if(splitAgain[0].indexOf("page") != -1){
                    val = splitAgain[1].substring(1,splitAgain[1].length-1);
                    a['page'] = val;
                }
                
                if(a['page'] === null || a['page'] == undefined){
                    if(pageNum !== undefined && pageNum !== null)
                        a['page'] = pageNum;
                }
            }
            
            //only obtain the notes associated with the given page number.
            if(a['page'] == pageNum)
                existing_notes.push(a);
            
        }
                    
    return existing_notes;
}

function addSocialLinks(){

    
}