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73 lines
2.2 KiB
JavaScript
73 lines
2.2 KiB
JavaScript
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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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function Dialog(url, 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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if (document.all) { // here we hope that Mozilla will never support document.all
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var value =
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showModalDialog(url, init,
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// window.open(url, '_blank',
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"resizable: no; help: no; status: no; scroll: no");
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if (action) {
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action(value);
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}
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} else {
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return Dialog._geckoOpenModal(url, action, init);
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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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// we get here in Mozilla only, anyway, so we can safely use
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// the DOM version.
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ev.preventDefault();
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ev.stopPropagation();
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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, action, init) {
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var dlg = window.open(url, "ha_dialog",
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"toolbar=no,menubar=no,personalbar=no,width=10,height=10," +
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"scrollbars=no,resizable=no");
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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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w.addEventListener("click", Dialog._parentEvent, true);
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w.addEventListener("mousedown", Dialog._parentEvent, true);
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w.addEventListener("focus", Dialog._parentEvent, true);
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};
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// release the captured events
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function relwin(w) {
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w.removeEventListener("focus", Dialog._parentEvent, true);
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w.removeEventListener("mousedown", Dialog._parentEvent, true);
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w.removeEventListener("click", Dialog._parentEvent, true);
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};
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capwin(window);
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// capture other frames
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for (var i = 0; i < window.frames.length; capwin(window.frames[i++]));
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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; relwin(window.frames[i++]));
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Dialog._modal = null;
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};
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};
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