moodle/lib/editor/dialog.js
2004-07-26 18:04:15 +00:00

88 lines
3.0 KiB
JavaScript

// $Id$
// Though "Dialog" looks like an object, it isn't really an object. Instead
// it's just namespace for protecting global symbols.
function Dialog(url, action, init) {
if (typeof init == "undefined") {
init = window; // pass this window object by default
}
if (document.all) { // here we hope that Mozilla will never support document.all
var value =
showModalDialog(url, init,
//window.open(url, '_blank',
"resizable: no; help: no; status: no; scroll: no");
if (action) {
action(value);
}
} else {
return Dialog._geckoOpenModal(url, action, init);
}
};
Dialog._parentEvent = function(ev) {
if (Dialog._modal && !Dialog._modal.closed) {
// we get here in Mozilla only, anyway, so we can safely use
// the DOM version.
ev.preventDefault();
ev.stopPropagation();
}
};
// should be a function, the return handler of the currently opened dialog.
Dialog._return = null;
// constant, the currently opened dialog
Dialog._modal = null;
// the dialog will read it's args from this variable
Dialog._arguments = null;
Dialog._geckoOpenModal = function(url, action, init) {
var file = url.substring(url.lastIndexOf('/') + 1, url.lastIndexOf('.'));
var x,y;
switch(file) {
case "insert_image": x = 730; y = 540; break;
case "link_std": x = 400; y = 180; break;
case "dlg_ins_smile": x = 330; y = 360; break;
case "dlg_ins_char": x = 450; y = 270; break;
case "select_color": x = 238; y = 188; break;
case "insert_table": x = 410; y = 240; break;
case "link_std": x = 420; y = 210; break;
case "insert_image_std": x = 450; y = 230; break;
default: x = 50; y = 50;
}
var lx = (screen.width - x) / 2;
var tx = (screen.height - y) / 2;
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 +"");
Dialog._modal = dlg;
Dialog._arguments = init;
// capture some window's events
function capwin(w) {
w.addEventListener("click", Dialog._parentEvent, true);
w.addEventListener("mousedown", Dialog._parentEvent, true);
w.addEventListener("focus", Dialog._parentEvent, true);
};
// release the captured events
function relwin(w) {
w.removeEventListener("focus", Dialog._parentEvent, true);
w.removeEventListener("mousedown", Dialog._parentEvent, true);
w.removeEventListener("click", Dialog._parentEvent, true);
};
capwin(window);
// capture other frames
//for (var i = 0; i < window.frames.length; capwin(window.frames[i++]));
// make up a function to be called when the Dialog ends.
Dialog._return = function (val) {
if (val && action) {
action(val);
}
relwin(window);
// capture other frames
//for (var i = 0; i < window.frames.length; relwin(window.frames[i++]));
Dialog._modal = null;
};
};