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tajin.tajin.jqm.js Maven / Gradle / Ivy
/*
* Copyright (C) 2011 Ovea
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
/*jslint white: true, browser: true, devel: false, indent: 4, plusplus: true */
/*global window, jQuery, console*/
(function (w, $) {
"use strict";
var JQMModule = function () {
var self = this, restoring, current_page, the_tajin, will_change_timer, events, restoreState = function () {
var opts = the_tajin.store.del('tajin.jqm.nav');
if (opts) {
restoring = true;
events.restore.fire(opts);
if (opts.data && opts.data.to) {
self.exports.changePage(opts.data.to);
} else if (opts.data && opts.data.topic) {
the_tajin.events.get(opts.data.topic).fire(opts.data.data || {});
}
restoring = false;
}
};
this.name = 'jqm';
this.requires = 'event,timer,store';
this.oninstall = function (tajin) {
the_tajin = tajin;
var tevent = tajin.event,
fire = function (evt, event) {
var page = $(event.target), name = page.attr('id');
page.name = name;
events[evt].fire(page);
if (name) {
tevent.get('jqm/' + evt + '/' + name).fire(page);
}
};
events = {
ready: tajin.event.add({
id: 'jqm/ready',
state: true
}),
beforeshow: tajin.event.add('jqm/beforeshow'),
show: tajin.event.add('jqm/show'),
beforehide: tajin.event.add('jqm/beforehide'),
hide: tajin.event.add('jqm/hide'),
init: tajin.event.add('jqm/init'),
first: tajin.event.add('jqm/first'),
count: tajin.event.add('jqm/count'),
restore: tajin.event.add('jqm/restore')
};
$(function () {
restoreState();
});
$(document)
.on("mobileinit",function () {
events.ready.fire(the_tajin.jqm);
}).on('pagebeforeshow',function (event) {
current_page = $(event.target);
if (will_change_timer && will_change_timer.isActive()) {
will_change_timer.stop();
}
if (!restoring) {
restoreState();
}
fire('beforeshow', event);
}).on('pagebeforehide',function (event) {
fire('beforehide', event);
}).on('pageshow',function (event) {
fire('show', event);
}).on('pagehide',function (event) {
fire('hide', event);
}).on('pageinit', function (event) {
fire('init', event);
});
events.beforeshow.listen(function (page) {
var displayed = the_tajin.store.get('tajin.jqm.page_count') || {},
name = page.attr('id');
if ($.isEmptyObject(displayed)) {
events.first.fire(page);
}
displayed[name] = (displayed[name] || 0) + 1;
the_tajin.store.put('tajin.jqm.page_count', displayed);
events.count.fire({
page: page,
count: displayed[name]
});
});
};
this.exports = {
page: function () {
var p = current_page || $('body div[data-role=page]:visible:first');
if (p.length) {
return p;
}
throw new Error('Illegal state: no JQM page is currently visible');
},
pageName: function () {
var a, p = this.page();
if (p) {
a = p.attr('id');
if (a) {
return a;
}
}
return null;
},
cancelChangePage: function () {
if (will_change_timer && will_change_timer.isActive()) {
will_change_timer.stop();
}
},
willChangePage: function (delay, location, callback, jqm_opts) {
var self = this;
this.cancelChangePage();
will_change_timer = the_tajin.timer.schedule('tajin.jqm.willChangePage', delay, false, function () {
self.changePage(location, callback, jqm_opts);
});
},
changePage: function (location, callback, jqm_opts) {
var ext = the_tajin.options.jqm.extension || '.html';
if (location.lastIndexOf(ext) === -1) {
location += ext;
}
if ($.isFunction(callback)) {
events.beforeshow.once(function (page) {
var p_uri = page.attr('data-url');
if (location.charAt(0) !== '/') {
location = '/' + location;
}
if (p_uri.length === location.length + p_uri.lastIndexOf(location)) {
callback(page);
}
});
}
if ($.mobile) {
$.mobile.changePage(location, jqm_opts || {});
} else {
throw new Error('jQuery Mobile script not found !');
}
},
redirect: function (location, data) {
the_tajin.store.put('tajin.jqm.nav', {
from: this.pageName(),
data: data
});
window.location = location;
},
redirectThenFire: function (location, topic, data) {
this.redirect(location, {
topic: topic,
data: data
});
window.location = location;
}
};
};
w.tajin.install(new JQMModule());
}(window, jQuery));
