blob: fb535983903beb018d4eff635c7745fc5b7b260e [file] [log] [blame]
/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you 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.
*/
/**
* UI utility functions.
*/
var ui = {};
/**
* Return a child element of a node with the given id.
*/
ui.elementByID = function(node, id) {
if (node.skipNode == true)
return null;
for (var i in node.childNodes) {
var child = node.childNodes[i];
if (child.id == id)
return child;
var gchild = ui.elementByID(child, id);
if (gchild != null)
return gchild;
}
return null;
};
/**
* Return the current document, or a child element with the given id.
*/
function $(id) {
if (id == document)
return document;
return ui.elementByID($(document), id);
};
/**
* Return a list of elements with the given class name.
*/
ui.elementsByClassName = function(node, c) {
return nodeList(node.getElementsByClassName(c));
};
/**
* Return the query string of a URL.
*/
ui.query = function(url) {
var u = '' + url;
var q = u.indexOf('?');
return q >= 0? u.substring(q + 1) : '';
};
/**
* Return the fragment part of a URL.
*/
ui.fragment = function(url) {
var u = '' + url;
var h = u.indexOf('#');
return h >= 0? u.substring(h + 1) : '';
};
/**
* Return the path and parameters of a URL.
*/
ui.pathandparams = function(url) {
var u = '' + url;
var ds = u.indexOf('//');
var u2 = ds > 0? u.substring(ds + 2) : u;
var s = u2.indexOf('/');
return s > 0? u2.substring(s) : '';
};
/**
* Return a dictionary of query parameters in a URL.
*/
ui.queryParams = function(url) {
var qp = new Array();
var qs = ui.query(url).split('&');
for (var i = 0; i < qs.length; i++) {
var e = qs[i].indexOf('=');
if (e > 0)
qp[qs[i].substring(0, e)] = unescape(qs[i].substring(e + 1));
}
return qp;
};
/**
* Return a dictionary of fragment parameters in a URL.
*/
ui.fragmentParams = function(url) {
var qp = new Array();
var qs = ui.fragment(url).split('&');
for (var i = 0; i < qs.length; i++) {
var e = qs[i].indexOf('=');
if (e > 0)
qp[qs[i].substring(0, e)] = unescape(qs[i].substring(e + 1));
}
return qp;
};
/**
* Convert a base64-encoded image to a data URL.
*/
ui.b64img = function(b64) {
return 'data:image/png;base64,' + b64;
};
/**
* Declare a CSS stylesheet.
*/
ui.declareCSS = function(s) {
var e = document.createElement('style');
e.type = 'text/css';
e.textContent = s;
return e;
};
/**
* Declare a script.
*/
ui.declareScript = function(s) {
var e = document.createElement('script');
e.type = 'text/javascript';
e.text = s;
return e;
};
/**
* Return the scripts elements under a given element.
*/
ui.innerScripts = function(e) {
return map(function(s) { return s.text; }, nodeList(e.getElementsByTagName('script')));
};
/**
* Evaluate a script.
*/
ui.evalScript = function(s) {
return eval('(function() {\n' + s + '\n})();');
};
/**
* Include a script.
*/
ui.includeScript = function(s) {
//log('include', s);
return eval(s);
};
/**
* Return true if the client is a mobile device.
*/
ui.mobiledetected = false;
ui.mobile = false;
ui.isMobile = function() {
if (ui.mobiledetected)
return ui.mobile;
var ua = navigator.userAgent;
if (ua.match(/iPhone/i) || ua.match(/iPad/i) || ua.match(/Android/i) || ua.match(/Blackberry/i) || ua.match(/WebOs/i))
ui.mobile = true;
ui.mobiledetected = true;
return ui.mobile;
};
/**
* Convert a CSS position to a numeric position.
*/
ui.numpos = function(p) {
return p == ''? 0 : Number(p.substr(0, p.length - 2));
};
/**
* Convert a numeric position to a CSS pixel position.
*/
ui.pixpos = function(p) {
return p + 'px';
};
/**
* Default orientation change behavior.
*/
ui.onorientationchange = function(e) {
// Scroll to the top and hide the address bar
window.scrollTo(0, 0);
// Change fixed position elements to absolute then back to fixed
// to make sure they're correctly layed out after the orientation
// change
map(function(e) {
e.style.position = 'absolute';
return e;
}, ui.elementsByClassName(document, 'fixed'));
setTimeout(function() {
map(function(e) {
e.style.position = 'fixed';
return e;
}, ui.elementsByClassName(document, 'fixed'));
}, 0);
return true;
};
/**
* Default page load behavior.
*/
ui.onload = function() {
// Scroll to the top and hide the address bar
window.scrollTo(0, 0);
// Initialize fixed position elements only after the page is loaded,
// to workaround layout issues with fixed position on mobile devices
setTimeout(function() {
map(function(e) {
e.style.position = 'fixed';
return e;
}, ui.elementsByClassName(document, 'fixed'));
}, 0);
return true;
};
/**
* Navigate to a new document.
*/
ui.navigate = function(url, win) {
//log('navigate', url, win);
// Open a new window
if (win == '_blank') {
window.top.open(url, win);
return false;
}
// Open a new document in the current window
if (win == '_self') {
window.top.open(url, win);
return false;
}
// Reload the current window
if (win == '_reload') {
window.top.location = url;
window.top.location.reload();
return false;
}
// Let the current top window handle the navigation
if (win == '_view') {
if (!window.top.onnavigate)
return window.top.open(url, '_self');
window.top.onnavigate(url);
return false;
}
window.top.open(url, win);
return false;
}
/**
* Build a portable <a href> tag.
*/
ui.href = function(id, loc, target, html) {
if (target == '_blank')
return '<a id="' + id + '" href="' + loc + '" target="_blank">' + html + '</a>';
return '<a id="' + id + '" href="' + loc + '" onclick="return ui.navigate(\'' + loc + '\', \'' + target + '\');">' + html + '</a>';
};
/**
* Build a menu bar.
*/
ui.menu = function(id, name, href, target, hilight) {
function Menu() {
this.content = function() {
if (hilight == true)
return ui.href(id, href, target, '<span class="tbarsmenu">' + name + '</span>');
else if (hilight == false)
return ui.href(id, href, target, '<span class="tbaramenu">' + name + '</span>');
else
return ui.href(id, href, target, '<span class="' + hilight + '">' + name + '</span>');
};
}
return new Menu();
};
ui.menufunc = function(id, name, fun, hilight) {
function Menu() {
this.content = function() {
function href(id, fun, html) {
return '<a id="' + id + '" href="/" onclick="' + fun + '">' + html + '</a>';
}
if (hilight == true)
return href(id, fun, '<span class="tbarsmenu">' + name + '</span>');
else if (hilight == false)
return href(id, fun, '<span class="tbaramenu">' + name + '</span>');
else
return href(id, fun, '<span class="' + hilight + '">' + name + '</span>');
};
}
return new Menu();
};
ui.menubar = function(left, right) {
var bar = '';
for (i in left)
bar = bar + '<span class="tbarleft">' + left[i].content() + '</span>';
for (i in right)
bar = bar + '<span class="tbarright">' + right[i].content() + '</span>';
return bar;
};
/**
* Convert a list of elements to an HTML table.
*/
ui.datatable = function(l) {
function indent(i) {
if (i == 0)
return '';
return '&nbsp;&nbsp;' + indent(i - 1);
}
function rows(l, i) {
if (isNil(l))
return '';
var e = car(l);
// Convert a list of simple values into a list of name value pairs
if (!isList(e))
return rows(expandElementValues("'value", l), i);
// Convert a list of complex values into a list of name value pairs
if (isList(car(e)))
return rows(expandElementValues("'value", l), i);
// Generate table row for a simple element value
if (elementHasValue(e)) {
var v = elementValue(e);
if (!isList(v)) {
return '<tr><td class="datatdl">' + indent(i) + elementName(e).slice(1) + '</td>' +
'<td class="datatdr tdw">' + (v != null? v : '') + '</td></tr>' +
rows(cdr(l), i);
}
return rows(expandElementValues(elementName(e), v), i) + rows(cdr(l), i);
}
// Generate table row for an element with children
return '<tr><td class="datatdl">' + indent(i) + elementName(e).slice(1) + '</td>' +
'<td class="datatdr tdw">' + '</td></tr>' +
rows(elementChildren(e), i + 1) +
rows(cdr(l), i);
}
return '<table class="datatable ' + (window.name == 'dataFrame'? ' databg' : '') + '" style="width: 100%;">' + rows(l, 0) + '</table>';
}
/**
* Convert a list of elements to an HTML single column table.
*/
ui.datalist = function(l) {
function rows(l, i) {
if (isNil(l))
return '';
var e = car(l);
// Convert a list of simple values into a list of name value pairs
if (!isList(e))
return rows(expandElementValues("'value", l), i);
// Convert a list of complex values into a list of name value pairs
if (isList(car(e)))
return rows(expandElementValues("'value", l), i);
// Generate table row for a simple element value
if (elementHasValue(e)) {
var v = elementValue(e);
if (!isList(v)) {
return '<tr><td class="datatd tdw">' + (v != null? v : '') + '</td></tr>' +
rows(cdr(l), i);
}
return rows(expandElementValues(elementName(e), v), i) + rows(cdr(l), i);
}
// Generate rows for an element's children
return rows(elementChildren(e), i + 1) + rows(cdr(l), i);
}
return '<table class="datatable ' + (window.name == 'dataFrame'? ' databg' : '') + '" style="width: 100%;">' + rows(l, 0) + '</table>';
}