/*
 * Copyright (C) 2005 - 2011 Jaspersoft Corporation. All rights reserved.
 * http://www.jaspersoft.com.
 *
 * Unless you have purchased  a commercial license agreement from Jaspersoft,
 * the following license terms  apply:
 *
 * This program is free software: you can redistribute it and/or  modify
 * it under the terms of the GNU Affero General Public License  as
 * published by the Free Software Foundation, either version 3 of  the
 * License, or (at your option) any later version.
 *
 * This program 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 Affero  General Public License for more details.
 *
 * You should have received a copy of the GNU Affero General Public  License
 * along with this program. If not, see <http://www.gnu.org/licenses/>.
 */

var customTooltip = {};
customTooltip.TOOLTIP_ID="custTooltip";

function makeCustomTooltip(evt, tipText){
    //cleanup old one just in case
    hideCustomTooltip(evt);

    //make a new one
    var evt = evt ? evt : window.event;
    var myTooltip = document.getElementById('customTooltipTemplate').cloneNode(true);
    if (!tipText) {
        myTooltip.style.display = "none";
    } else {
        myTooltip.style.display = "block";
    }

    myTooltip.setAttribute('id',customTooltip.TOOLTIP_ID);
    myTooltip.innerHTML = tipText;

    myTooltip.onmouseover = function(event){
        hideCustomTooltip(event);
    }
    
    return myTooltip;
}

function addCustomTooltip(myTooltip){
    document.body.appendChild(myTooltip);
    fitObjectIntoScreen(myTooltip, myTooltip.style.left, myTooltip.style.top, myTooltip.clientWidth, myTooltip.clientWidth);
}

function showCustomTooltip(evt, tipText, tipWidth, tipColor, tipBgColor, topOffset){
    var myTooltip = makeCustomTooltip(evt, tipText);

    if (tipWidth) {
        myTooltip.style.maxWidth = tipWidth;
    }
    if (tipBgColor) {
        myTooltip.style.backgroundColor = tipBgColor;
    }
    if (tipColor) {
        myTooltip.style.color = tipColor;
    }

    myTooltip.style.left = evt.clientX + getScrollLeft();
    myTooltip.style.top = evt.clientY + getScrollTop() + 5 + (topOffset ? topOffset : 0);

    addCustomTooltip(myTooltip);

    return myTooltip;
}

function showCustomTooltipBelowObject(evt, tipText, tipWidth, tipClassName, theObject){

    if (!theObject.parentNode) {
        //looks like whatever we were hovering over has now been dereferenced (page reload?)
        //do nothing
        return;
    }

    var myTooltip = makeCustomTooltip(evt, tipText);

    if (tipWidth) {
        myTooltip.style.maxWidth = tipWidth;
    }

    if (tipClassName) {
        myTooltip.className = tipClassName;
    }

    var objOffsets = getBoxOffsets(theObject);
    var tipTop = objOffsets[1] + theObject.clientHeight + 5;

    myTooltip.style.left = objOffsets[0];
    myTooltip.style.top = tipTop;

    addCustomTooltip(myTooltip);

    return myTooltip;
}



function updateCustomTooltip(text){
    var myTooltip = document.getElementById(customTooltip.TOOLTIP_ID);
    if (myTooltip) {
        var myTooltipCell = myTooltip.getElementsByTagName('TD')[0];
        myTooltipCell.innerHTML = text;
        myTooltip.style.display = "block";
        fitObjectIntoScreen(
            myTooltip,
            myTooltip.style.left,
            myTooltip.style.top,
            myTooltipCell.offsetWidth,
            myTooltipCell.offsetHeight);
    }
}

function hideCustomTooltip(evt){
    var evt = evt ? evt : window.event;
    var newTarget = evt.explicitOriginalTarget ? getParentDiv(evt.explicitOriginalTarget) : null;

    //not if we are hovering over tooltip itself (FF only)
    if (newTarget && newTarget.getAttribute("id")==customTooltip.TOOLTIP_ID) {
        return;
    }

    var myTooltip = document.getElementById(customTooltip.TOOLTIP_ID);
    if (myTooltip) {
        if (myTooltip.parentNode) {
            myTooltip.parentNode.removeChild(myTooltip);
        }
        myTooltip = null;
    }
}