metamaps--metamaps/app/assets/javascripts/lib/bip.js

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/*
BestInPlace (for jQuery)
version: 0.1.0 (01/01/2011)
@requires jQuery >= v1.4
@requires jQuery.purr to display pop-up windows
By Bernat Farrero based on the work of Jan Varwig.
Examples at http://bernatfarrero.com
Licensed under the MIT:
http://www.opensource.org/licenses/mit-license.php
Usage:
Attention.
The format of the JSON object given to the select inputs is the following:
[["key", "value"],["key", "value"]]
The format of the JSON object given to the checkbox inputs is the following:
["falseValue", "trueValue"]
*/
function BestInPlaceEditor(e) {
this.element = e;
this.initOptions();
this.bindForm();
this.initNil();
jQuery(this.activator).bind('click', {editor: this}, this.clickHandler);
}
BestInPlaceEditor.prototype = {
// Public Interface Functions //////////////////////////////////////////////
activate : function() {
var to_display = "";
if (this.isNil()) {
to_display = "";
}
else if (this.original_content) {
to_display = this.original_content;
}
else {
if (this.sanitize) {
to_display = this.element.text();
} else {
to_display = this.element.html();
}
}
this.oldValue = this.isNil() ? "" : this.element.html();
this.display_value = to_display;
jQuery(this.activator).unbind("click", this.clickHandler);
this.activateForm();
this.element.trigger(jQuery.Event("best_in_place:activate"));
},
abort : function() {
this.activateText(this.oldValue);
jQuery(this.activator).bind('click', {editor: this}, this.clickHandler);
this.element.trigger(jQuery.Event("best_in_place:abort"));
this.element.trigger(jQuery.Event("best_in_place:deactivate"));
},
abortIfConfirm : function () {
if (!this.useConfirm) {
this.abort();
return;
}
if (confirm("Are you sure you want to discard your changes?")) {
this.abort();
}
},
update : function() {
var editor = this;
if (this.formType in {"input":1, "textarea":1} && this.getValue() == this.oldValue)
{ // Avoid request if no change is made
this.abort();
return true;
}
editor.ajax({
"type" : "post",
"dataType" : "text",
"data" : editor.requestData(),
"success" : function(data){ editor.loadSuccessCallback(data); },
"error" : function(request, error){ editor.loadErrorCallback(request, error); }
});
if (this.formType == "select") {
var value = this.getValue();
this.previousCollectionValue = value;
jQuery.each(this.values, function(i, v) {
if (value == v[0]) {
editor.element.html(v[1]);
}
}
);
} else if (this.formType == "checkbox") {
editor.element.html(this.getValue() ? this.values[1] : this.values[0]);
} else {
if (this.getValue() !== "") {
editor.element.text(this.getValue());
} else {
editor.element.html(this.nil);
}
}
editor.element.trigger(jQuery.Event("best_in_place:update"));
},
activateForm : function() {
alert("The form was not properly initialized. activateForm is unbound");
},
activateText : function(value){
this.element.html(value);
if(this.isNil()) this.element.html(this.nil);
},
// Helper Functions ////////////////////////////////////////////////////////
initOptions : function() {
// Try parent supplied info
var self = this;
self.element.parents().each(function(){
$parent = jQuery(this);
self.url = self.url || $parent.attr("data-url");
self.collection = self.collection || $parent.attr("data-collection");
self.formType = self.formType || $parent.attr("data-type");
self.objectName = self.objectName || $parent.attr("data-object");
self.attributeName = self.attributeName || $parent.attr("data-attribute");
self.activator = self.activator || $parent.attr("data-activator");
self.okButton = self.okButton || $parent.attr("data-ok-button");
self.okButtonClass = self.okButtonClass || $parent.attr("data-ok-button-class");
self.cancelButton = self.cancelButton || $parent.attr("data-cancel-button");
self.cancelButtonClass = self.cancelButtonClass || $parent.attr("data-cancel-button-class");
self.nil = self.nil || $parent.attr("data-nil");
self.inner_class = self.inner_class || $parent.attr("data-inner-class");
self.html_attrs = self.html_attrs || $parent.attr("data-html-attrs");
self.original_content = self.original_content || $parent.attr("data-original-content");
self.collectionValue = self.collectionValue || $parent.attr("data-value");
});
// Try Rails-id based if parents did not explicitly supply something
self.element.parents().each(function(){
var res = this.id.match(/^(\w+)_(\d+)$/i);
if (res) {
self.objectName = self.objectName || res[1];
}
});
// Load own attributes (overrides all others)
self.url = self.element.attr("data-url") || self.url || document.location.pathname;
self.collection = self.element.attr("data-collection") || self.collection;
self.formType = self.element.attr("data-type") || self.formtype || "input";
self.objectName = self.element.attr("data-object") || self.objectName;
self.attributeName = self.element.attr("data-attribute") || self.attributeName;
self.activator = self.element.attr("data-activator") || self.element;
self.okButton = self.element.attr("data-ok-button") || self.okButton;
self.okButtonClass = self.element.attr("data-ok-button-class") || self.okButtonClass || "";
self.cancelButton = self.element.attr("data-cancel-button") || self.cancelButton;
self.cancelButtonClass = self.element.attr("data-cancel-button-class") || self.cancelButtonClass || "";
self.nil = self.element.attr("data-nil") || self.nil || "—";
self.inner_class = self.element.attr("data-inner-class") || self.inner_class || null;
self.html_attrs = self.element.attr("data-html-attrs") || self.html_attrs;
self.original_content = self.element.attr("data-original-content") || self.original_content;
self.collectionValue = self.element.attr("data-value") || self.collectionValue;
if (!self.element.attr("data-sanitize")) {
self.sanitize = true;
}
else {
self.sanitize = (self.element.attr("data-sanitize") == "true");
}
if (!self.element.attr("data-use-confirm")) {
self.useConfirm = true;
} else {
self.useConfirm = (self.element.attr("data-use-confirm") != "false");
}
if ((self.formType == "select" || self.formType == "checkbox") && self.collection !== null)
{
self.values = jQuery.parseJSON(self.collection);
}
},
bindForm : function() {
this.activateForm = BestInPlaceEditor.forms[this.formType].activateForm;
this.getValue = BestInPlaceEditor.forms[this.formType].getValue;
},
initNil: function() {
if (this.element.html() === "")
{
this.element.html(this.nil);
}
},
isNil: function() {
// TODO: It only work when form is deactivated.
// Condition will fail when form is activated
return this.element.html() === "" || this.element.html() === this.nil;
},
getValue : function() {
alert("The form was not properly initialized. getValue is unbound");
},
// Trim and Strips HTML from text
sanitizeValue : function(s) {
return jQuery.trim(s);
},
/* Generate the data sent in the POST request */
requestData : function() {
// To prevent xss attacks, a csrf token must be defined as a meta attribute
csrf_token = jQuery('meta[name=csrf-token]').attr('content');
csrf_param = jQuery('meta[name=csrf-param]').attr('content');
var data = "_method=put";
data += "&" + this.objectName + '[' + this.attributeName + ']=' + encodeURIComponent(this.getValue());
if (csrf_param !== undefined && csrf_token !== undefined) {
data += "&" + csrf_param + "=" + encodeURIComponent(csrf_token);
}
return data;
},
ajax : function(options) {
options.url = this.url;
options.beforeSend = function(xhr){ xhr.setRequestHeader("Accept", "application/json"); };
return jQuery.ajax(options);
},
// Handlers ////////////////////////////////////////////////////////////////
loadSuccessCallback : function(data) {
data = jQuery.trim(data);
if(data && data!=""){
var response = jQuery.parseJSON(jQuery.trim(data));
if (response !== null && response.hasOwnProperty("display_as")) {
this.element.attr("data-original-content", this.element.text());
this.original_content = this.element.text();
this.element.html(response["display_as"]);
}
this.element.trigger(jQuery.Event("best_in_place:success"), data);
this.element.trigger(jQuery.Event("ajax:success"), data);
} else {
this.element.trigger(jQuery.Event("best_in_place:success"));
this.element.trigger(jQuery.Event("ajax:success"));
}
// Binding back after being clicked
jQuery(this.activator).bind('click', {editor: this}, this.clickHandler);
this.element.trigger(jQuery.Event("best_in_place:deactivate"));
if (this.collectionValue !== null && this.formType == "select") {
this.collectionValue = this.previousCollectionValue;
this.previousCollectionValue = null;
}
},
loadErrorCallback : function(request, error) {
this.activateText(this.oldValue);
this.element.trigger(jQuery.Event("best_in_place:error"), [request, error]);
this.element.trigger(jQuery.Event("ajax:error"), request, error);
// Binding back after being clicked
jQuery(this.activator).bind('click', {editor: this}, this.clickHandler);
this.element.trigger(jQuery.Event("best_in_place:deactivate"));
},
clickHandler : function(event) {
event.preventDefault();
event.data.editor.activate();
},
setHtmlAttributes : function() {
var formField = this.element.find(this.formType);
if(this.html_attrs){
var attrs = jQuery.parseJSON(this.html_attrs);
for(var key in attrs){
formField.attr(key, attrs[key]);
}
}
}
};
// Button cases:
// If no buttons, then blur saves, ESC cancels
// If just Cancel button, then blur saves, ESC or clicking Cancel cancels (careful of blur event!)
// If just OK button, then clicking OK saves (careful of blur event!), ESC or blur cancels
// If both buttons, then clicking OK saves, ESC or clicking Cancel or blur cancels
BestInPlaceEditor.forms = {
"input" : {
activateForm : function() {
var output = jQuery(document.createElement('form'))
.addClass('form_in_place')
.attr('action', 'javascript:void(0);')
.attr('style', 'display:inline');
var input_elt = jQuery(document.createElement('input'))
.attr('type', 'text')
.attr('name', this.attributeName)
.val(this.display_value);
if(this.inner_class !== null) {
input_elt.addClass(this.inner_class);
}
output.append(input_elt);
if(this.okButton) {
output.append(
jQuery(document.createElement('input'))
.attr('type', 'submit')
.attr('class', this.okButtonClass)
.attr('value', this.okButton)
)
}
if(this.cancelButton) {
output.append(
jQuery(document.createElement('input'))
.attr('type', 'button')
.attr('class', this.cancelButtonClass)
.attr('value', this.cancelButton)
)
}
this.element.html(output);
this.setHtmlAttributes();
// START METAMAPS CODE
//this.element.find("input[type='text']")[0].select();
this.element.find("input[type='text']")[0].focus();
// END METAMAPS CODE
this.element.find("form").bind('submit', {editor: this}, BestInPlaceEditor.forms.input.submitHandler);
if (this.cancelButton) {
this.element.find("input[type='button']").bind('click', {editor: this}, BestInPlaceEditor.forms.input.cancelButtonHandler);
}
this.element.find("input[type='text']").bind('blur', {editor: this}, BestInPlaceEditor.forms.input.inputBlurHandler);
// START METAMAPS CODE
this.element.find("input[type='text']").bind('keydown', {editor: this}, BestInPlaceEditor.forms.input.keydownHandler);
// END METAMAPS CODE
this.element.find("input[type='text']").bind('keyup', {editor: this}, BestInPlaceEditor.forms.input.keyupHandler);
this.blurTimer = null;
this.userClicked = false;
},
getValue : function() {
return this.sanitizeValue(this.element.find("input").val());
},
// When buttons are present, use a timer on the blur event to give precedence to clicks
inputBlurHandler : function(event) {
if (event.data.editor.okButton) {
event.data.editor.blurTimer = setTimeout(function () {
if (!event.data.editor.userClicked) {
event.data.editor.abort();
}
}, 500);
} else {
if (event.data.editor.cancelButton) {
event.data.editor.blurTimer = setTimeout(function () {
if (!event.data.editor.userClicked) {
event.data.editor.update();
}
}, 500);
} else {
event.data.editor.update();
}
}
},
submitHandler : function(event) {
event.data.editor.userClicked = true;
clearTimeout(event.data.editor.blurTimer);
event.data.editor.update();
},
cancelButtonHandler : function(event) {
event.data.editor.userClicked = true;
clearTimeout(event.data.editor.blurTimer);
event.data.editor.abort();
event.stopPropagation(); // Without this, click isn't handled
},
keyupHandler : function(event) {
if (event.keyCode == 27) {
event.data.editor.abort();
}
// START METAMAPS CODE
else if (event.keyCode == 13 && !event.shiftKey) {
event.data.editor.update();
}
// END METAMAPS CODE
}
},
"date" : {
activateForm : function() {
var that = this,
output = jQuery(document.createElement('form'))
.addClass('form_in_place')
.attr('action', 'javascript:void(0);')
.attr('style', 'display:inline'),
input_elt = jQuery(document.createElement('input'))
.attr('type', 'text')
.attr('name', this.attributeName)
.attr('value', this.sanitizeValue(this.display_value));
if(this.inner_class !== null) {
input_elt.addClass(this.inner_class);
}
output.append(input_elt)
this.element.html(output);
this.setHtmlAttributes();
this.element.find('input')[0].select();
this.element.find("form").bind('submit', {editor: this}, BestInPlaceEditor.forms.input.submitHandler);
this.element.find("input").bind('keyup', {editor: this}, BestInPlaceEditor.forms.input.keyupHandler);
this.element.find('input')
.datepicker({
onClose: function() {
that.update();
}
})
.datepicker('show');
},
getValue : function() {
return this.sanitizeValue(this.element.find("input").val());
},
submitHandler : function(event) {
event.data.editor.update();
},
// START METAMAPS CODE
keydownHandler : function(event) {
if (event.keyCode == 13 && !event.shiftKey) {
event.preventDefault();
event.stopPropagation();
return false;
}
},
// END METAMAPS CODE
keyupHandler : function(event) {
if (event.keyCode == 27) {
event.data.editor.abort();
}
}
},
"select" : {
activateForm : function() {
var output = jQuery(document.createElement('form'))
.attr('action', 'javascript:void(0)')
.attr('style', 'display:inline');
selected = '',
oldValue = this.oldValue,
select_elt = jQuery(document.createElement('select'))
.attr('class', this.inned_class !== null ? this.inner_class : '' ),
currentCollectionValue = this.collectionValue;
jQuery.each(this.values, function (index, value) {
var option_elt = jQuery(document.createElement('option'))
// .attr('value', value[0])
.val(value[0])
.html(value[1]);
if(value[0] == currentCollectionValue) {
option_elt.attr('selected', 'selected');
}
select_elt.append(option_elt);
});
output.append(select_elt);
this.element.html(output);
this.setHtmlAttributes();
this.element.find("select").bind('change', {editor: this}, BestInPlaceEditor.forms.select.blurHandler);
this.element.find("select").bind('blur', {editor: this}, BestInPlaceEditor.forms.select.blurHandler);
this.element.find("select").bind('keyup', {editor: this}, BestInPlaceEditor.forms.select.keyupHandler);
this.element.find("select")[0].focus();
},
getValue : function() {
return this.sanitizeValue(this.element.find("select").val());
// return this.element.find("select").val();
},
blurHandler : function(event) {
event.data.editor.update();
},
keyupHandler : function(event) {
if (event.keyCode == 27) event.data.editor.abort();
}
},
"checkbox" : {
activateForm : function() {
this.collectionValue = !this.getValue();
this.setHtmlAttributes();
this.update();
},
getValue : function() {
return this.collectionValue;
}
},
"textarea" : {
activateForm : function() {
// grab width and height of text
width = this.element.css('width');
height = this.element.css('height');
// construct form
var output = jQuery(document.createElement('form'))
.attr('action', 'javascript:void(0)')
.attr('style', 'display:inline')
.append(jQuery(document.createElement('textarea'))
.val(this.sanitizeValue(this.display_value)));
if(this.okButton) {
output.append(
jQuery(document.createElement('input'))
.attr('type', 'submit')
.attr('value', this.okButton)
);
}
if(this.cancelButton) {
output.append(
jQuery(document.createElement('input'))
.attr('type', 'button')
.attr('value', this.cancelButton)
)
}
this.element.html(output);
this.setHtmlAttributes();
// set width and height of textarea
jQuery(this.element.find("textarea")[0]).css({ 'min-width': width, 'min-height': height });
jQuery(this.element.find("textarea")[0]).elastic();
this.element.find("textarea")[0].focus();
this.element.find("form").bind('submit', {editor: this}, BestInPlaceEditor.forms.textarea.submitHandler);
if (this.cancelButton) {
this.element.find("input[type='button']").bind('click', {editor: this}, BestInPlaceEditor.forms.textarea.cancelButtonHandler);
}
this.element.find("textarea").bind('blur', {editor: this}, BestInPlaceEditor.forms.textarea.blurHandler);
// START METAMAPS CODE
this.element.find("textarea").bind('keydown', {editor: this}, BestInPlaceEditor.forms.textarea.keydownHandler);
// END METAMAPS CODE
this.element.find("textarea").bind('keyup', {editor: this}, BestInPlaceEditor.forms.textarea.keyupHandler);
this.blurTimer = null;
this.userClicked = false;
},
getValue : function() {
return this.sanitizeValue(this.element.find("textarea").val());
},
// When buttons are present, use a timer on the blur event to give precedence to clicks
blurHandler : function(event) {
if (event.data.editor.okButton) {
event.data.editor.blurTimer = setTimeout(function () {
if (!event.data.editor.userClicked) {
event.data.editor.abortIfConfirm();
}
}, 500);
} else {
if (event.data.editor.cancelButton) {
event.data.editor.blurTimer = setTimeout(function () {
if (!event.data.editor.userClicked) {
event.data.editor.update();
}
}, 500);
} else {
event.data.editor.update();
}
}
},
submitHandler : function(event) {
event.data.editor.userClicked = true;
clearTimeout(event.data.editor.blurTimer);
event.data.editor.update();
},
cancelButtonHandler : function(event) {
event.data.editor.userClicked = true;
clearTimeout(event.data.editor.blurTimer);
event.data.editor.abortIfConfirm();
event.stopPropagation(); // Without this, click isn't handled
},
// START METAMAPS CODE
keydownHandler : function(event) {
if (event.keyCode == 13 && !event.shiftKey) {
event.preventDefault();
event.stopPropagation();
return false;
}
},
// END METAMAPS CODE
keyupHandler : function(event) {
if (event.keyCode == 27) {
event.data.editor.abortIfConfirm();
}
// START METAMAPS CODE
else if (event.keyCode == 13 && !event.shiftKey) {
event.data.editor.update();
}
// END METAMAPS CODE
}
}
};
jQuery.fn.best_in_place = function() {
function setBestInPlace(element) {
if (!element.data('bestInPlaceEditor')) {
element.data('bestInPlaceEditor', new BestInPlaceEditor(element));
return true;
}
}
jQuery(this.context).delegate(this.selector, 'click', function () {
var el = jQuery(this);
if (setBestInPlace(el))
el.click();
});
this.each(function () {
setBestInPlace(jQuery(this));
});
return this;
};
/**
* @name Elastic
* @descripton Elastic is Jquery plugin that grow and shrink your textareas automaticliy
* @version 1.6.5
* @requires Jquery 1.2.6+
*
* @author Jan Jarfalk
* @author-email jan.jarfalk@unwrongest.com
* @author-website http://www.unwrongest.com
*
* @licens MIT License - http://www.opensource.org/licenses/mit-license.php
*/
(function(jQuery){
if (typeof jQuery.fn.elastic !== 'undefined') return;
jQuery.fn.extend({
elastic: function() {
// We will create a div clone of the textarea
// by copying these attributes from the textarea to the div.
var mimics = [
'paddingTop',
'paddingRight',
'paddingBottom',
'paddingLeft',
'fontSize',
'lineHeight',
'fontFamily',
'width',
'fontWeight'];
return this.each( function() {
// Elastic only works on textareas
if ( this.type != 'textarea' ) {
return false;
}
var $textarea = jQuery(this),
$twin = jQuery('<div />').css({'position': 'absolute','display':'none','word-wrap':'break-word'}),
lineHeight = parseInt($textarea.css('line-height'),10) || parseInt($textarea.css('font-size'),'10'),
minheight = parseInt($textarea.css('height'),10) || lineHeight*3,
maxheight = parseInt($textarea.css('max-height'),10) || Number.MAX_VALUE,
goalheight = 0,
i = 0;
// Opera returns max-height of -1 if not set
if (maxheight < 0) { maxheight = Number.MAX_VALUE; }
// Append the twin to the DOM
// We are going to meassure the height of this, not the textarea.
$twin.appendTo($textarea.parent());
// Copy the essential styles (mimics) from the textarea to the twin
i = mimics.length;
while(i--){
$twin.css(mimics[i].toString(),$textarea.css(mimics[i].toString()));
}
// Sets a given height and overflow state on the textarea
function setHeightAndOverflow(height, overflow){
curratedHeight = Math.floor(parseInt(height,10));
if($textarea.height() != curratedHeight){
$textarea.css({'height': curratedHeight + 'px','overflow':overflow});
}
}
// This function will update the height of the textarea if necessary
function update() {
// Get curated content from the textarea.
var textareaContent = $textarea.val().replace(/&/g,'&amp;').replace(/ /g, '&nbsp;').replace(/<|>/g, '&gt;').replace(/\n/g, '<br />');
// Compare curated content with curated twin.
var twinContent = $twin.html().replace(/<br>/ig,'<br />');
if(textareaContent+'&nbsp;' != twinContent){
// Add an extra white space so new rows are added when you are at the end of a row.
$twin.html(textareaContent+'&nbsp;');
// Change textarea height if twin plus the height of one line differs more than 3 pixel from textarea height
if(Math.abs($twin.height() + lineHeight - $textarea.height()) > 3){
var goalheight = $twin.height()+lineHeight;
if(goalheight >= maxheight) {
setHeightAndOverflow(maxheight,'auto');
} else if(goalheight <= minheight) {
setHeightAndOverflow(minheight,'hidden');
} else {
setHeightAndOverflow(goalheight,'hidden');
}
}
}
}
// Hide scrollbars
$textarea.css({'overflow':'hidden'});
// Update textarea size on keyup, change, cut and paste
$textarea.bind('keyup change cut paste', function(){
update();
});
// Compact textarea on blur
// Lets animate this....
$textarea.bind('blur',function(){
if($twin.height() < maxheight){
if($twin.height() > minheight) {
$textarea.height($twin.height());
} else {
$textarea.height(minheight);
}
}
});
// And this line is to catch the browser paste event
$textarea.on("input paste", function(e){ setTimeout( update, 250); });
// Run update once when elastic is initialized
update();
});
}
});
})(jQuery);