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feat: multiple dialog, drag n' drop, new style #48

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feat: multiple dialog, drag n' drop, new style #48

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ce0046b
feat: multiple dialog, drag n' drop, new style
macmessa Jul 11, 2019
54c46f2
fix: call showModalDialog inside another function
Jul 11, 2019
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145 changes: 128 additions & 17 deletions showModalDialog.js
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Original file line number Diff line number Diff line change
@@ -1,4 +1,7 @@
(function() {
// All references to document object will be on top window
var dialogDocument = window.top.document;

window.spawn = window.spawn || function(gen) {
function continuer(verb, arg) {
var result;
Expand All @@ -18,43 +21,151 @@
var onRejected = continuer.bind(continuer, 'throw');
return onFulfilled();
};
window.showModalDialog = window.showModalDialog || function(url, arg, opt) {

// Override window.close function to close the last dialog created,
// if window.shoModalDialog function doesn't exist
window.close = window.showModalDialog ? window.close : function(close) {
return function() {
var dialogTags = dialogDocument.getElementsByTagName('dialog');
var dialog = dialogTags[dialogTags.length - 1];
if (dialog)
dialog.close();
else
return close.call();
};
}(window.close);

// Override window.shoModalDialog function if doesn't exist
window.showModalDialog = window.showModalDialog || function (url, arg, opt) {
url = url || ''; //URL of a dialog
arg = arg || null; //arguments to a dialog
opt = opt || 'dialogWidth:300px;dialogHeight:200px'; //options: dialogTop;dialogLeft;dialogWidth;dialogHeight or CSS styles
var caller = showModalDialog.caller.toString();
var dialog = document.body.appendChild(document.createElement('dialog'));

// To create an interface for the showModalDialog place showModalDialog.interface in a comment inside
// e.g.: function showMaximizedDialog(url, args, options) { // showModalDialog.interface
var callerName = (showModalDialog.caller + '').indexOf('showModalDialog.interface') > -1 ? showModalDialog.caller.name : 'showModalDialog';

// If it's only an interface, call the caller from caller
var caller = (callerName === 'showModalDialog' ? showModalDialog.caller : showModalDialog.caller.caller);
var dialogTitle = 'dialog-title';
caller = showModalDialog.caller.toString();
var dialog = dialogDocument.body.appendChild(dialogDocument.createElement('dialog'));
var lastDialog = dialogDocument.querySelectorAll('dialog')[dialogDocument.querySelectorAll('dialog').length - 1];
dialog.setAttribute('style', opt.replace(/dialog/gi, ''));
dialog.innerHTML = '<a href="#" id="dialog-close" style="position: absolute; top: 0; right: 5px; font-size: 20px; color: #000; text-decoration: none; outline: none;">&times;</a><iframe id="dialog-body" src="' + url + '" style="border: 0; width: 100%; height: 100%;"></iframe>';
document.getElementById('dialog-body').contentWindow.dialogArguments = arg;
document.getElementById('dialog-close').addEventListener('click', function(e) {
dialog.innerHTML = '<div id=' + dialogTitle + '>';
dialog.innerHTML += '<span id="dialog-close"><a href="#">&times;</a></span>';
dialog.innerHTML += '</div><iframe id="dialog-body" src="' + url + '"></iframe>';
lastDialog.querySelector('#dialog-body').contentWindow.dialogArguments = arg;
lastDialog.querySelector('#dialog-close').addEventListener('click', function (e) {
e.preventDefault();
dialog.close();
});

// --------------------------------------------------------------
// Create the css part for the dialog
if (!dialogDocument.getElementById('dialog-css')) {
var css = '<!--' +
'dialog {padding: calc(1.8em + 1px) 0 0 0;box-shadow: 0px 0px 25px 2px #aaa;border: 1px solid;position: fixed !important;}' +
'dialog::backdrop {background: rgba(0, 0, 0, .2)}' +
'#' + dialogTitle + ' {width: 100%;background-color: #395484;position: absolute;left: 0;top: 0;height: calc(1.8em + 1px);}' +
'#dialog-close {-webkit-transition: .2s ease-in-out;-moz-transition: .2s ease-in-out;-o-transition: .2s ease-in-out;transition: .2s ease-in-out;' +
'position: absolute; top: 1px; right: 1px; width: 1.8em; height: calc(1.8em - 1px);text-align: center;}' +
'#dialog-close:hover {background-color: #D00;} -->' +
'#dialog-close a {font-size: 20px; color: #FFF; text-decoration: none; outline: none;}' +
'#dialog-body {border: 0; width: 100%; height: 100%;}' +
'-->';

var head = dialogDocument.head || dialogDocument.getElementsByTagName('head')[0];
var style = dialogDocument.createElement('style');

style.type = 'text/css';
style.id = 'dialog-css';
style.appendChild(dialogDocument.createTextNode(css));
head.appendChild(style);
}

// --------------------------------------------------------------
// Make the dialog draggable
var pos1 = 0, pos2 = 0, pos3 = 0, pos4 = 0;

dialog.querySelector('#' + dialogTitle).onmousedown = dragMouseDown;

function dragMouseDown(e) {
e = e || window.event;
e.preventDefault();
// get the mouse cursor position at startup
pos3 = e.clientX;
pos4 = e.clientY;
dialogDocument.onmouseup = closeDragElement;
// call a function whenever the cursor moves
dialogDocument.onmousemove = elementDrag;
}

function elementDrag(e) {
e = e || window.event;
e.preventDefault();
// calculate the new cursor position
pos1 = pos3 - e.clientX;
pos2 = pos4 - e.clientY;
pos3 = e.clientX;
pos4 = e.clientY;
// set the element's new position
dialog.style.top = (dialog.offsetTop - pos2) + "px";
dialog.style.marginLeft = (dialog.offsetLeft - pos1) + "px";
}

function closeDragElement() {
// stop moving when mouse button is released
dialogDocument.onmouseup = null;
dialogDocument.onmousemove = null;
}

dialog.showModal();

//if using yield or async/await
if(caller.indexOf('yield') >= 0 || caller.indexOf('await') >= 0) {
return new Promise(function(resolve, reject) {
dialog.addEventListener('close', function() {
var returnValue = document.getElementById('dialog-body').contentWindow.returnValue;
document.body.removeChild(dialog);
if (caller.indexOf('yield') >= 0 || caller.indexOf('await') >= 0) {
return new Promise(function (resolve, reject) {
dialog.addEventListener('close', function () {
var returnValue = lastDialog.querySelector('#dialog-body').contentWindow.returnValue;
dialogDocument.body.removeChild(dialog);
resolve(returnValue);
});
});
}

//if using eval
var isNext = false;
var nextStmts = caller.split('\n').filter(function(stmt) {
if(isNext || stmt.indexOf('showModalDialog(') >= 0)
if (isNext || stmt.indexOf(callerName + '(') >= 0)
return isNext = true;
return false;
});

dialog.addEventListener('close', function() {
var returnValue = document.getElementById('dialog-body').contentWindow.returnValue;
document.body.removeChild(dialog);
nextStmts[0] = nextStmts[0].replace(/(window\.)?showModalDialog\(.*\)/g, JSON.stringify(returnValue));
eval('{\n' + nextStmts.join('\n'));
var returnValue = lastDialog.querySelector('#dialog-body').contentWindow.returnValue;
dialogDocument.body.removeChild(dialog);
nextStmts[0] = nextStmts[0].replace(new RegExp('(window\.)?' + callerName + '\(.*\)' , 'g'), JSON.stringify(returnValue));
var unclosedParenthesis = (nextStmts[0].match(/\(/g) || []).length - (nextStmts[0].match(/\)/g) || []).length;
var closeParenthesis = repeat(')', unclosedParenthesis);
nextStmts[0] += closeParenthesis;
var decodedStmts = nextStmts.join('\n').replace(/^function\s+\(\s*\)\s*{/, '');
var unopenedBraces = (decodedStmts.match(/}/g) || []).length - (decodedStmts.match(/{/g) || []).length;
var openBraces = repeat('{', unopenedBraces);
eval(openBraces + '\n' + decodedStmts);
});

// --------------------------------------------------------------
// Function to repeat string
function repeat(pattern, count) {
if (count < 1) return '';
var result = '';
while (count > 1) {
if (count & 1) result += pattern;
count >>= 1, pattern += pattern;
}
return result + pattern;
}

throw 'Execution stopped until showModalDialog is closed';
};
})();
})();