source: sandbox/expressoMail1_2/MailArchiver/2.2/filemanager/js/drag_area.js @ 4972

var agt=navigator.userAgent.toLowerCase();
var is_ie     = ((agt.indexOf("msie") != -1) && (agt.indexOf("opera") == -1));

function DragArea(){
        this.pressed = 0;
        this.resizing = 0;
        this.dragEl;
        this.endEvent;
        this.operation;
}

document.onmousemove = function(event) {
        getPointer(event);
        if (_dragArea.operation == 'drag')
                _dragArea.dragObj(event);
}
document.onmousedown = function(event) {_dragArea.pressed = 1; };
document.onmouseup = function(event) { _dragArea.pressed = 0 };

counter = 0;
DragArea.prototype.dragObj = function(e)
{
        var _event  = is_ie ? window.event : e;
        var _target = is_ie ? _event.srcElement : _event.target;

        if (this.pressed)
        {
                var sign = document.getElementById('dragSign');
                if (sign == null)
                {
                        check(this.dragEl);
                        sign = document.createElement('SPAN');
                        sign.className = 'dragSign';
                        sign.id = 'dragSign';
                        document.body.appendChild(sign);
                }
                sign.innerHTML = get_lang("Drag and drop to move");
                sign.style.left = (_event.clientX + 2) + "px";
                sign.style.top = (_event.clientY + 2) + "px";
                sign.style.position = 'absolute';
        }
        else{
                this.operation = "";
                var sign = document.getElementById('dragSign');
                if (sign == null)
                        return;
                sign.parentNode.removeChild(sign);
                if(_target.tagName == 'SPAN'){
                        var filesUrl = toolbar.getCheckedFiles();
                        var path = _target.id.replace(/main$/g,'').substr(1);
                        if (filesUrl.length > 1 && path.length > 1)
                                move_to(path,filesUrl);
                }
        }
}


var _dragArea = new DragArea();