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

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JavaScript
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2016-10-07 09:26:20 +00:00
/*
* BestInPlace (for jQuery)
* version: 3.0.0.alpha (2014)
*
* 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
*
* @requires jQuery
*
* 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"]
*/
//= require jquery.autosize
function BestInPlaceEditor(e) {
'use strict';
this.element = e;
this.initOptions();
this.bindForm();
this.initPlaceHolder();
jQuery(this.activator).bind('click', {editor: this}, this.clickHandler);
}
BestInPlaceEditor.prototype = {
// Public Interface Functions //////////////////////////////////////////////
activate: function () {
'use strict';
var to_display;
if (this.isPlaceHolder()) {
to_display = "";
} else if (this.original_content) {
to_display = this.original_content;
} else {
switch (this.formType) {
case 'input':
case 'textarea':
if (this.display_raw) {
to_display = this.element.html().replace(/&/gi, '&');
}
else {
var value = this.element.data('bipValue');
if (typeof value === 'undefined') {
to_display = '';
} else if (typeof value === 'string') {
to_display = this.element.data('bipValue').replace(/&/gi, '&');
} else {
to_display = this.element.data('bipValue');
}
}
break;
case 'select':
to_display = this.element.html();
}
}
this.oldValue = this.isPlaceHolder() ? "" : 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 () {
'use strict';
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 () {
'use strict';
if (!this.useConfirm) {
this.abort();
return;
}
if (confirm(BestInPlaceEditor.defaults.locales[''].confirmMessage)) {
this.abort();
}
},
update: function () {
'use strict';
var editor = this,
value = this.getValue();
// Avoid request if no change is made
if (this.formType in {"input": 1, "textarea": 1} && value === this.oldValue) {
this.abort();
return true;
}
editor.ajax({
"type": this.requestMethod(),
"dataType": BestInPlaceEditor.defaults.ajaxDataType,
"data": editor.requestData(),
"success": function (data, status, xhr) {
editor.loadSuccessCallback(data, status, xhr);
},
"error": function (request, error) {
editor.loadErrorCallback(request, error);
}
});
switch (this.formType) {
case "select":
this.previousCollectionValue = value;
// search for the text for the span
$.each(this.values, function(index, arr){ if (String(arr[0]) === String(value)) editor.element.html(arr[1]); });
break;
case "checkbox":
$.each(this.values, function(index, arr){ if (String(arr[0]) === String(value)) editor.element.html(arr[1]); });
break;
default:
if (value !== "") {
if (this.display_raw) {
editor.element.html(value);
} else {
editor.element.text(value);
}
} else {
editor.element.html(this.placeHolder);
}
}
editor.element.data('bipValue', value);
editor.element.attr('data-bip-value', value);
editor.element.trigger(jQuery.Event("best_in_place:update"));
},
activateForm: function () {
'use strict';
alert(BestInPlaceEditor.defaults.locales[''].uninitializedForm);
},
activateText: function (value) {
'use strict';
this.element.html(value);
if (this.isPlaceHolder()) {
this.element.html(this.placeHolder);
}
},
// Helper Functions ////////////////////////////////////////////////////////
initOptions: function () {
// Try parent supplied info
'use strict';
var self = this;
self.element.parents().each(function () {
var $parent = jQuery(this);
self.url = self.url || $parent.data("bipUrl");
self.activator = self.activator || $parent.data("bipActivator");
self.okButton = self.okButton || $parent.data("bipOkButton");
self.okButtonClass = self.okButtonClass || $parent.data("bipOkButtonClass");
self.cancelButton = self.cancelButton || $parent.data("bipCancelButton");
self.cancelButtonClass = self.cancelButtonClass || $parent.data("bipCancelButtonClass");
self.skipBlur = self.skipBlur || $parent.data("bipSkipBlur");
});
// Load own attributes (overrides all others)
self.url = self.element.data("bipUrl") || self.url || document.location.pathname;
self.collection = self.element.data("bipCollection") || self.collection;
self.formType = self.element.data("bipType") || "input";
self.objectName = self.element.data("bipObject") || self.objectName;
self.attributeName = self.element.data("bipAttribute") || self.attributeName;
self.activator = self.element.data("bipActivator") || self.element;
self.okButton = self.element.data("bipOkButton") || self.okButton;
self.okButtonClass = self.element.data("bipOkButtonClass") || self.okButtonClass || BestInPlaceEditor.defaults.okButtonClass;
self.cancelButton = self.element.data("bipCancelButton") || self.cancelButton;
self.cancelButtonClass = self.element.data("bipCancelButtonClass") || self.cancelButtonClass || BestInPlaceEditor.defaults.cancelButtonClass;
self.skipBlur = self.element.data("bipSkipBlur") || self.skipBlur || BestInPlaceEditor.defaults.skipBlur;
self.isNewObject = self.element.data("bipNewObject");
self.dataExtraPayload = self.element.data("bipExtraPayload");
// Fix for default values of 0
if (self.element.data("bipPlaceholder") == null) {
self.placeHolder = BestInPlaceEditor.defaults.locales[''].placeHolder;
} else {
self.placeHolder = self.element.data("bipPlaceholder");
}
self.inner_class = self.element.data("bipInnerClass");
self.html_attrs = self.element.data("bipHtmlAttrs");
self.original_content = self.element.data("bipOriginalContent") || self.original_content;
// if set the input won't be satinized
self.display_raw = self.element.data("bip-raw");
self.useConfirm = self.element.data("bip-confirm");
if (self.formType === "select" || self.formType === "checkbox") {
self.values = self.collection;
self.collectionValue = self.element.data("bipValue") || self.collectionValue;
}
},
bindForm: function () {
'use strict';
this.activateForm = BestInPlaceEditor.forms[this.formType].activateForm;
this.getValue = BestInPlaceEditor.forms[this.formType].getValue;
},
initPlaceHolder: function () {
'use strict';
// TODO add placeholder for select and checkbox
if (this.element.html() === "") {
this.element.addClass('bip-placeholder');
this.element.html(this.placeHolder);
}
},
isPlaceHolder: function () {
'use strict';
// TODO: It only work when form is deactivated.
// Condition will fail when form is activated
return this.element.html() === "" || this.element.html() === this.placeHolder;
},
getValue: function () {
'use strict';
alert(BestInPlaceEditor.defaults.locales[''].uninitializedForm);
},
// Trim and Strips HTML from text
sanitizeValue: function (s) {
'use strict';
return jQuery.trim(s);
},
requestMethod: function() {
'use strict';
return this.isNewObject ? 'post' : BestInPlaceEditor.defaults.ajaxMethod;
},
/* Generate the data sent in the POST request */
requestData: function () {
'use strict';
// To prevent xss attacks, a csrf token must be defined as a meta attribute
var csrf_token = jQuery('meta[name=csrf-token]').attr('content'),
csrf_param = jQuery('meta[name=csrf-param]').attr('content');
var data = {}
data['_method'] = this.requestMethod()
data[this.objectName] = this.dataExtraPayload || {}
data[this.objectName][this.attributeName] = this.getValue()
if (csrf_param !== undefined && csrf_token !== undefined) {
data[csrf_param] = csrf_token
}
return jQuery.param(data);
},
ajax: function (options) {
'use strict';
options.url = this.url;
options.beforeSend = function (xhr) {
xhr.setRequestHeader("Accept", "application/json");
};
return jQuery.ajax(options);
},
// Handlers ////////////////////////////////////////////////////////////////
loadSuccessCallback: function (data, status, xhr) {
'use strict';
data = jQuery.trim(data);
//Update original content with current text.
if (this.display_raw) {
this.original_content = this.element.html();
} else {
this.original_content = this.element.text();
}
if (data && data !== "") {
var response = jQuery.parseJSON(data);
if (response !== null && response.hasOwnProperty("display_as")) {
this.element.data('bip-original-content', this.element.text());
this.element.html(response.display_as);
}
if (this.isNewObject && response && response[this.objectName]) {
if (response[this.objectName]["id"]) {
this.isNewObject = false
this.url += "/" + response[this.objectName]["id"] // in REST a POST /thing url should become PUT /thing/123
}
}
}
this.element.toggleClass('bip-placeholder', this.isPlaceHolder());
this.element.trigger(jQuery.Event("best_in_place:success"), [data, status, xhr]);
this.element.trigger(jQuery.Event("ajax:success"), [data, status, xhr]);
// 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) {
'use strict';
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) {
'use strict';
event.preventDefault();
event.data.editor.activate();
},
setHtmlAttributes: function () {
'use strict';
var formField = this.element.find(this.formType);
if (this.html_attrs) {
var attrs = this.html_attrs;
$.each(attrs, function (key, val) {
formField.attr(key, val);
});
}
},
placeButtons: function (output, field) {
'use strict';
if (field.okButton) {
output.append(
jQuery(document.createElement('input'))
.attr('type', 'submit')
.attr('class', field.okButtonClass)
.attr('value', field.okButton)
);
}
if (field.cancelButton) {
output.append(
jQuery(document.createElement('input'))
.attr('type', 'button')
.attr('class', field.cancelButtonClass)
.attr('value', field.cancelButton)
);
}
}
};
// 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 () {
'use strict';
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);
// Add class to form input
if (this.inner_class) {
input_elt.addClass(this.inner_class);
}
output.append(input_elt);
this.placeButtons(output, this);
this.element.html(output);
this.setHtmlAttributes();
this.element.find("input[type='text']")[0].select();
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);
}
if (!this.okButton) {
this.element.find("input[type='text']").bind('blur', {editor: this}, BestInPlaceEditor.forms.input.inputBlurHandler);
}
this.element.find("input[type='text']").bind('keyup', {editor: this}, BestInPlaceEditor.forms.input.keyupHandler);
this.blurTimer = null;
this.userClicked = false;
},
getValue: function () {
'use strict';
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) {
'use strict';
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) {
'use strict';
event.data.editor.userClicked = true;
clearTimeout(event.data.editor.blurTimer);
event.data.editor.update();
},
cancelButtonHandler: function (event) {
'use strict';
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) {
'use strict';
if (event.keyCode === 27) {
event.data.editor.abort();
event.stopImmediatePropagation();
}
}
},
"select": {
activateForm: function () {
'use strict';
var output = jQuery(document.createElement('form'))
.attr('action', 'javascript:void(0)')
.attr('style', 'display:inline'),
selected = '',
select_elt = jQuery(document.createElement('select'))
.attr('class', this.inner_class !== null ? this.inner_class : ''),
currentCollectionValue = this.collectionValue,
key, value,
a = this.values;
$.each(a, function(index, arr){
key = arr[0];
value = arr[1];
var option_elt = jQuery(document.createElement('option'))
.val(key)
.html(value);
if (currentCollectionValue) {
if (String(key) === String(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();
// automatically click on the select so you
// don't have to click twice
try {
var e = document.createEvent("MouseEvents");
e.initMouseEvent("mousedown", true, true, window, 0, 0, 0, 0, 0, false, false, false, false, 0, null);
this.element.find("select")[0].dispatchEvent(e);
}
catch(e) {
// browser doesn't support this, e.g. IE8
}
},
getValue: function () {
'use strict';
return this.sanitizeValue(this.element.find("select").val());
},
blurHandler: function (event) {
'use strict';
event.data.editor.update();
},
keyupHandler: function (event) {
'use strict';
if (event.keyCode === 27) {
event.data.editor.abort();
}
}
},
"checkbox": {
activateForm: function () {
'use strict';
this.collectionValue = !this.getValue();
this.setHtmlAttributes();
this.update();
},
getValue: function () {
'use strict';
return this.collectionValue;
}
},
"textarea": {
activateForm: function () {
'use strict';
// grab width and height of text
var width = this.element.css('width');
var height = this.element.css('height');
// construct form
var output = jQuery(document.createElement('form'))
.addClass('form_in_place')
.attr('action', 'javascript:void(0);')
.attr('style', 'display:inline');
var textarea_elt = jQuery(document.createElement('textarea'))
.attr('name', this.attributeName)
.val(this.sanitizeValue(this.display_value));
if (this.inner_class !== null) {
textarea_elt.addClass(this.inner_class);
}
output.append(textarea_elt);
this.placeButtons(output, this);
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]).autosize();
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);
}
if (!this.skipBlur) {
this.element.find("textarea").bind('blur', {editor: this}, BestInPlaceEditor.forms.textarea.blurHandler);
}
this.element.find("textarea").bind('keyup', {editor: this}, BestInPlaceEditor.forms.textarea.keyupHandler);
this.blurTimer = null;
this.userClicked = false;
},
getValue: function () {
'use strict';
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) {
'use strict';
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) {
'use strict';
event.data.editor.userClicked = true;
clearTimeout(event.data.editor.blurTimer);
event.data.editor.update();
},
cancelButtonHandler: function (event) {
'use strict';
event.data.editor.userClicked = true;
clearTimeout(event.data.editor.blurTimer);
event.data.editor.abortIfConfirm();
event.stopPropagation(); // Without this, click isn't handled
},
keyupHandler: function (event) {
'use strict';
if (event.keyCode === 27) {
event.data.editor.abortIfConfirm();
}
}
}
};
BestInPlaceEditor.defaults = {
locales: {},
ajaxMethod: "put", //TODO Change to patch when support to 3.2 is dropped
ajaxDataType: 'text',
okButtonClass: '',
cancelButtonClass: '',
skipBlur: false
};
// Default locale
BestInPlaceEditor.defaults.locales[''] = {
confirmMessage: "Are you sure you want to discard your changes?",
uninitializedForm: "The form was not properly initialized. getValue is unbound",
placeHolder: '-'
};
jQuery.fn.best_in_place = function () {
'use strict';
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;
};