gpodder-ui-qml/common/util.js
2015-05-24 17:44:39 +02:00

87 lines
2.4 KiB
JavaScript

/**
*
* gPodder QML UI Reference Implementation
* Copyright (c) 2013, Thomas Perl <m@thp.io>
*
* Permission to use, copy, modify, and/or distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES WITH
* REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
* AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT,
* INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
* LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR
* OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
* PERFORMANCE OF THIS SOFTWARE.
*
*/
function updateModelFrom(model, data) {
for (var i=0; i<data.length; i++) {
if (model.count < i) {
model.append(data[i]);
} else {
model.set(i, data[i]);
}
}
while (model.count > data.length) {
model.remove(model.count-1);
}
}
function updateModelWith(model, key, value, update) {
for (var row=0; row<model.count; row++) {
var current = model.get(row);
if (current[key] == value) {
for (var key in update) {
model.setProperty(row, key, update[key]);
}
}
}
}
function formatDuration(duration) {
if (duration !== 0 && !duration) {
return ''
}
var h = parseInt(duration / 3600) % 24
var m = parseInt(duration / 60) % 60
var s = parseInt(duration % 60)
var hh = h > 0 ? (h < 10 ? '0' + h : h) + ':' : ''
var ms = (m < 10 ? '0' + m : m) + ':' + (s < 10 ? '0' + s : s)
return hh + ms
}
function formatPosition(position,duration) {
return formatDuration(position) + " / " + formatDuration(duration)
}
// Call a Python function and disable item until the function returns
function disableUntilReturn(item, py, func, args) {
item.enabled = false;
py.call(func, args, function() {
item.enabled = true;
});
}
function format(s, d) {
return s.replace(/{([^}]*)}/g, function (m, k) {
return (k in d) ? d[k] : m;
});
}
function atMostOnce(callback) {
var called = false;
return function () {
if (!called) {
called = true;
callback();
}
};
}