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99 lines
3.0 KiB
JavaScript
99 lines
3.0 KiB
JavaScript
/**
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* $Id$
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*
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* Though "Dialog" looks like an object, it isn't really an object. Instead
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* it's just namespace for protecting global symbols.
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**/
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function Dialog(url, width, height, action, init) {
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if (typeof init == "undefined") {
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init = window; // pass this window object by default
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}
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Dialog._geckoOpenModal(url, width, height, action, init);
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};
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Dialog._addEvent = function (el, evname, func) {
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if ( document.all ) {
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el.attachEvent("on" + evname, func);
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} else {
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el.addEventListener(evname, func, true);
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}
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};
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Dialog._removeEvent = function (el, evname, func) {
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if ( document.all ) {
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el.detachEvent("on" + evname, func);
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} else {
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el.removeEventListener(evname, func, true);
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}
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};
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Dialog._stopEvent = function (ev) {
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if ( document.all ) {
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ev.cancelBubble = true;
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ev.returnValue = false;
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} else {
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ev.preventDefault();
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ev.stopPropagation();
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}
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};
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Dialog._parentEvent = function(ev) {
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if (Dialog._modal && !Dialog._modal.closed) {
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Dialog._modal.focus();
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Dialog._stopEvent(ev);
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}
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};
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// should be a function, the return handler of the currently opened dialog.
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Dialog._return = null;
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// constant, the currently opened dialog
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Dialog._modal = null;
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// the dialog will read it's args from this variable
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Dialog._arguments = null;
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Dialog._geckoOpenModal = function(url, width, height, action, init) {
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var file = url.substring(url.lastIndexOf('/') + 1, url.lastIndexOf('.'));
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var x,y;
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x = width;
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y = height;
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var lx = (screen.width - x) / 2;
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var tx = (screen.height - y) / 2;
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var dlg = window.open(url, "ha_dialog", "toolbar=no,menubar=no,personalbar=no, width="+ x +",height="+ y +",scrollbars=no,resizable=no, left="+ lx +", top="+ tx +"");
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Dialog._modal = dlg;
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Dialog._arguments = init;
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// capture some window's events
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function capwin(w) {
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Dialog._addEvent(w, "click", Dialog._parentEvent);
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Dialog._addEvent(w, "mousedown", Dialog._parentEvent);
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Dialog._addEvent(w, "focus", Dialog._parentEvent);
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};
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// release the captured events
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function relwin(w) {
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Dialog._removeEvent(w, "click", Dialog._parentEvent);
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Dialog._removeEvent(w, "mousedown", Dialog._parentEvent);
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Dialog._removeEvent(w, "focus", Dialog._parentEvent);
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};
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capwin(window);
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// capture other frames, note the exception trapping, this is because
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// we are not permitted to add events to frames outside of the current
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// window's domain.
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for (var i = 0; i < window.frames.length; i++) {try { capwin(window.frames[i]); } catch(e) { } };
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// make up a function to be called when the Dialog ends.
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Dialog._return = function (val) {
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if (val && action) {
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action(val);
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}
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relwin(window);
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// capture other frames
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for (var i = 0; i < window.frames.length; i++) { try { relwin(window.frames[i]); } catch(e) { } };
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Dialog._modal = null;
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};
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Dialog._modal.focus();
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};
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