GazeTK

/*

 * Copyright 2015 Thies Pfeiffer and Dimitri Heil and Kevin Taron

 * Blinker is distributed under the terms of the GNU General Public License

 * 

 * This file is part of Blinker.

 * 

 * Blinker is free software: you can redistribute it and/or modify

 * it under the terms of the GNU General Public License as published by

 * the Free Software Foundation, either version 3 of the License, or

 * (at your option) any later version.

 * 

 * Blinker is distributed in the hope that it will be useful,

 * but WITHOUT ANY WARRANTY; without even the implied warranty of

 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the

 * GNU General Public License for more details.

 * 

 * You should have received a copy of the GNU General Public License

 * along with Blinker. If not, see <http://www.gnu.org/licenses/>.

 */

/*

*        shorten a string to a given length and return the shortened string, if it has no node opening brackets inside of it like an " <img [...]> " or something

*/

function shortenString(str, length) {

        //console.log("functions.js :: "+"shortenString()" + ", str:" +str +", length: "+length);

        if (str !== null) {

                if (str.toLowerCase().indexOf("<") > -1) {

                        //console.log("'<' - node opening bracket found in the name of a gaze link - not shortening it, because it could be an html node");

                        return str;

                }

                if (str.length < length) {

                        return str;

                } else {

                        return str.substring(0, length) + "...";

                }

        }

}

/*

*        move the status div with the mouse 

*/

function mousemoved(e) {

        /*mouseX = e.clientX + window.scrollX;

        mouseY = e.clientY + window.scrollY*/

        $("#status").css("left", e.clientX + 30 + window.scrollX + "px");

        $("#status").css("top", e.clientY + window.scrollY + "px");

}

//callable functions from the 4 point gaze gestures 

/*        ######################################################################################

*        ADD FUNCTIONS THAT SHOULD BE ENABLED FOR CALLING FROM THE 4-POINT-GESTURE MODE [START]

*        ######################################################################################

*/

var pageBack = function(){

        window.history.back();

};

var pageForward = function(){

        window.history.forward();

};

var pageReload = function(){

        location.reload();

};

/*        ####################################################################################

*        ADD FUNCTIONS THAT SHOULD BE ENABLED FOR CALLING FROM THE 4-POINT-GESTURE MODE [END]

*        ####################################################################################

*/

//show a notification with a given font-awesome icon (http://fortawesome.github.io/Font-Awesome/icons/) and string

function showNotification(faicon, str) {

        //$("#notification").html("<div class='notif_icon'><i class='fa fa-"+faicon+"'></i></div><div class='notif_text'>"+str+"</div>");

        console.log("Notification: " + str);

        $("#notification").stop();        

        $("#notification").html("<table><tr><td class='notif_icon'><i class='fa fa-" + faicon + "'></i></td><td class='notif_text'>" + str + "</td></tr></table>");

        $("#notification").fadeIn("fast");

        $('#notification').fadeOut(3000);

}

//make the function visible from a page-script

exportFunction(showNotification, unsafeWindow, {defineAs: "showNotification"});

function closeAll() {

        closePieMenu();

        closePieMenuKeyboard();

        closeOnscreenbox();

        setScrollAtBorder();

        acceptKeyboardInput();

}