dialog-polyfill/tests/actionbar.html

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HTML

<!DOCTYPE html>
<html>
<meta name="viewport" content="initial-scale=1" />
<meta charset="UTF-8" />
<head>
<script src="../dist/dialog-polyfill.js"></script>
<link rel="stylesheet" type="text/css" href="../dist/dialog-polyfill.css">
<style>
dialog.actionbar {
position: fixed;
border: 0;
box-sizing: border-box;
width: 100%;
bottom: 0;
background: #fff;
transform: translate(0, 100%);
transition: transform 0.25s ease-in-out;
margin: 0;
padding: 0;
box-shadow: 0 0 4px rgba(0, 0, 0, 0.25);
}
dialog.actionbar.appear {
transform: translate(0);
}
dialog.actionbar .holder {
display: flex;
justify-content: space-around;
flex-flow: wrap;
}
dialog.actionbar .holder button {
flex-grow: 1;
min-width: 200px;
margin: 8px;
border: 0;
font-family: Roboto, Arial, Sans-Serif;
font-size: 23px;
line-height: 33px;
font-weight: 400;
color: #666;
border-radius: 2px;
background: #ccc;
display: block;
box-sizing: border-box;
border: 2px solid transparent;
}
dialog.actionbar .holder button:focus {
outline: 0;
border-color: rgba(0, 0, 0, 0.125);
}
dialog.actionbar .holder button.cancel {
background: #fcc;
}
dialog.actionbar::backdrop {
background: rgba(0, 0, 0, 0.25);
opacity: 0;
transition: opacity 0.25s ease-in-out;
}
dialog.actionbar + .backdrop {
background: rgba(0, 0, 0, 0.25);
opacity: 0;
transition: opacity 0.25s ease-in-out;
}
dialog.actionbar.appear::backdrop {
opacity: 1;
}
dialog.actionbar.appear + .backdrop {
opacity: 1;
}
</style>
</head>
<body>
<p>Builds an action bar from a modal dialog.</p>
<button id="show">Show</button>
<script>
var ActionBar = function() {
this.options_ = [];
this.cancelButton_ = true;
this.dialog_ = null;
};
ActionBar.prototype.enableCancelButton = function(value) {
this.cancelButton_ = vaue;
};
ActionBar.prototype.addOption = function(name, opt_callback) {
this.options_.push({name: name, callback: opt_callback || null});
};
ActionBar.prototype.show = function(opt_callback) {
if (this.dialog_ != null) {
throw "Can't show ActionBar, already visible";
}
var dialog = document.createElement('dialog');
if (!('showModal' in dialog)) {
dialogPolyfill.registerDialog(dialog);
}
dialog.className = 'actionbar';
var holder = document.createElement('div');
holder.className = 'holder';
dialog.appendChild(holder);
dialog.addEventListener('click', function(ev) {
if (ev.target == dialog) {
dialog.close();
}
});
dialog.addEventListener('close', function() {
opt_callback && opt_callback(dialog.returnValue);
var cloneDialog = dialog.cloneNode(true);
if (!('showModal' in cloneDialog)) {
dialogPolyfill.registerDialog(cloneDialog);
}
document.body.appendChild(cloneDialog);
cloneDialog.showModal();
cloneDialog.classList.remove('appear');
window.setTimeout(function() {
cloneDialog.close(); // TODO: needed until DOM removal is safe
cloneDialog.parentNode.removeChild(cloneDialog);
}, 250);
if (dialog.parentNode) {
dialog.parentNode.removeChild(dialog);
}
if (this.dialog_ == dialog) {
this.dialog_ = null;
}
}.bind(this));
this.options_.forEach(function(option) {
var button = document.createElement('button');
button.textContent = option.name;
button.addEventListener('click', function() {
if (option.callback) {
window.setTimeout(option.callback, 0);
}
dialog.close(option.name);
});
holder.appendChild(button);
});
if (this.cancelButton_) {
var cancelButton = document.createElement('button');
cancelButton.className = 'cancel';
cancelButton.textContent = 'Cancel';
cancelButton.addEventListener('click', function() {
dialog.close();
});
holder.appendChild(cancelButton);
}
document.body.appendChild(dialog);
dialog.showModal();
dialog.classList.add('appear');
this.dialog_ = dialog;
};
////// DEMO
show.addEventListener('click', function() {
var ab = new ActionBar();
ab.addOption('Display');
ab.addOption('Options');
ab.addOption('Longer Choice');
ab.addOption('Alert', function() {
alert('you hit Alert');
});
ab.show(function(choice) {
console.info('choice was', choice);
});
});
</script>
</body>
</html>