I have a plugin for my ckeditor build which should convert pasted content with formulas,
separated by '(' ')', '$$' etc. into math-formulas from ckeditor5-math (https://github.com/isaul32/ckeditor5-math). I changed the AutoMath Plugin so that it supports text with the separators.
I have run into a problem where undoing (ctrl-z) the operation works fine for single-line content, but not for multiline content.
To reproduce the issue, I have built a similar plugin which does not require the math plugin. This plugin converts text enclosed by '&' to bold text.
To reproduce this issue with an editor instance it is required to have the cursor inside a word (not after or before the end of the text, I don't know why that doesn't work, if you know why, help is appreciated^^) and paste it from the clipboard. The content will inside the '&' will be marked bold, however if you undo this operation twice, an model-position-path-incorrect-format error will be thrown.
example to paste:
aa &bb& cc
dd
ee &ff& gg
Undoing the operation twice results in this error:
Uncaught CKEditorError: model-position-path-incorrect-format {"path":[]}
Read more: https://ckeditor.com/docs/ckeditor5/latest/support/error-codes.html#error-model-position-path-incorrect-form
Unfortunately, I haven't found a way to fix this issue, and have not found a similar issue.
I know it has to do with the batches that are operated, and that maybe the position parent has to do something with it, that I should cache the position of the parent. However, I do not know how.
Below my code for an example to reproduce:
import Plugin from '#ckeditor/ckeditor5-core/src/plugin';
import Undo from '#ckeditor/ckeditor5-undo/src/undo';
import LiveRange from '#ckeditor/ckeditor5-engine/src/model/liverange';
import LivePosition from '#ckeditor/ckeditor5-engine/src/model/liveposition';
import global from '#ckeditor/ckeditor5-utils/src/dom/global';
export default class Test extends Plugin {
static get requires() {
return [Undo];
}
static get pluginName() {
return 'Test';
}
constructor(editor) {
super(editor);
this._timeoutId = null;
this._positionToInsert = null;
}
init() {
const editor = this.editor;
const modelDocument = editor.model.document;
const view = editor.editing.view;
//change < Clipboard > to < 'ClipboardPipeline' > because in version upgrade from 26 to 27
//the usage of this call changed
this.listenTo(editor.plugins.get('ClipboardPipeline'), 'inputTransformation', (evt, data) => {
const firstRange = modelDocument.selection.getFirstRange();
const leftLivePosition = LivePosition.fromPosition(firstRange.start);
leftLivePosition.stickiness = 'toPrevious';
const rightLivePosition = LivePosition.fromPosition(firstRange.end);
rightLivePosition.stickiness = 'toNext';
modelDocument.once('change:data', () => {
this._boldBetweenPositions(leftLivePosition, rightLivePosition);
leftLivePosition.detach();
rightLivePosition.detach();
}, {priority: 'high'});
});
editor.commands.get('undo').on('execute', () => {
if (this._timeoutId) {
global.window.clearTimeout(this._timeoutId);
this._timeoutId = null;
}
}, {priority: 'high'});
}
_boldBetweenPositions(leftPosition, rightPosition) {
const editor = this.editor;
const equationRange = new LiveRange(leftPosition, rightPosition);
// With timeout user can undo conversation if wants to use plain text
this._timeoutId = global.window.setTimeout(() => {
this._timeoutId = null;
let walker = equationRange.getWalker({ignoreElementEnd: true});
let nodeArray = [];
for (const node of walker) { // remember nodes, because when they are changed model-textproxy-wrong-length error occurs
nodeArray.push(node);
}
editor.model.change(writer => {
for (let node of nodeArray) {
let text = node.item.data;
if (node.item.is('$textProxy') && text !== undefined && text.match(/&/g)) {
let finishedFormulas = this._split(text);
const realRange = writer.createRange(node.previousPosition, node.nextPosition);
writer.remove(realRange);
for (let i = finishedFormulas.length - 1; i >= 0; i--) {
if (i % 2 === 0) {
writer.insertText(finishedFormulas[i], node.previousPosition);
} else {
writer.insertText(finishedFormulas[i], {bold: true}, node.previousPosition);
}
}
}
}
});
}, 100);
}
_split(text) {
let mathFormsAndText = text.split(/(&)/g);
let mathTextArray = [];
for (let i = 0; i < mathFormsAndText.length; i++) {
if (i % 4 === 0) {
mathTextArray.push(mathFormsAndText[i]);
} else if (i % 2 === 0) {
mathTextArray.push(mathFormsAndText[i]);
}
}
return mathTextArray;
}
}
Let me know if I can clarify anything.
I need to implement a method that will output id and index information of all slides in a presentation. How can I achieve this? The code below doesn't work. I need a code to print id s and indices of every slide.
$("#run").click(run);
async function run() {
await PowerPoint.run(async function(context) {
// The slide index is zero-based.
try {
let items = context.presentation.slides.load("$all");
await context.sync();
for (let i = 0; i < 4; i++) {
console.log(items[i]);
}
} catch (e) {
console.log(e);
}
});
}
I'm trying to add a simple drop down control above a list such that I can sort it by "created" or "title".
The list template is called posts_list.html. In it's helper .js file I have:
posts: function () {
var sortCriteria = Session.get("sortCriteria") || {};
return Posts.find({},{sort: {sortCriteria: 1}});
}
Then, I have abstracted the list into another template. From here I have the following click event tracker in the helper.js
"click": function () {
// console.log(document.activeElement.id);
Session.set("sortCriteria", document.activeElement.id);
// Router.go('history');
Router.render('profile');
}
Here I can confirm that the right Sort criteria is written to the session. However, I can't make the page refresh. The collection on the visible page never re-sorts.
Frustrating. Any thoughts?
Thanks!
You can't use variables as keys in an object literal. Give this a try:
posts: function() {
var sortCriteria = Session.get('sortCriteria');
var options = {};
if (sortCriteria) {
options.sort = {};
options.sort[sortCriteria] = 1;
}
return Posts.find({}, options);
}
Also see the "Variables as keys" section of common mistakes.
thanks so much for that. Note I've left commented out code below to show what I pulled out. If I required a truly dynamic option, versus the simply binary below, I would have stuck w/ the "var options" approach. What I ended up going with was:
Template.postList.helpers({
posts: function () {
//var options = {};
if (Session.get("post-list-sort")) {
/*options.sort = {};
if (Session.get("post-list-sort") == "Asc") {
options.sort['created'] = 1;
} else {
options.sort['created'] = -1;
}*/
//return hunts.find({}, options);}
console.log(Session.get("hunt-list-sort"));
if (Session.get("hunt-list-sort") == "Asc") {
return Hunts.find({}, {sort: {title: 1}});
}
else {
return Hunts.find({}, {sort: {title: -1}});
};
}
}
});
I'll start off by stating that I don't know if this is possible at all, but I'm reading over the Kendo UI documentation and trying to figure out how to at least try it, but I'm running into a lot of difficulties with making a custom binding. This is a followup to another question I am still working on, which is posted here. If this is not an appropriate question, please kindly let me know, and I will close it or rephrase it. I'm just really lost and confused at this point.
As I understand it, based on what I've been told and tried, Kendo cannot bind to an Associative Array not because the data isn't good, but because it is an array of objects, each as a separate individual entity - under normal circumstances, an array would be a bit different and contain a length property, as well as some other functions in the array prototype that make iteration through it possible.
So I was trying to conjecture how to get around this. I succeeded in getting what I think was a workaround to function. I preface that with "think" because I'm still too inexperienced with Javascript to truly know the ramifications of doing it this way (performance, stability, etc)
Here is what I did;
kendo template
<script type="text/x-kendo-template" id="display-items-many">
# for(var key in data) { #
# if (data.hasOwnProperty(key) && data[key].hasOwnProperty("Id")) { #
<tr>
<td>
<strong>#= data[key].Id #</strong>
</td>
<td class="text-right">
<code>#= data[key].Total #</code>
</td>
</tr>
# } #
# } #
</script>
html
<table class="table borderless table-hover table-condensed" data-bind="source: Associative data-template="display-items-many">
</table>
Now to me, immediately off hand, this gave me the illusion of functioning. So I got to thinking a bit more on how to fix this ...
I want to create a new binding called repeat. The goal of this binding is as follows;
repeat the template for each instance of an object within the given root object that meets a given criteria
In my head, this would function like this;
<div data-template="repeater-sample" data-bind="repeat: Associative"></div>
<script type="text/x-kendo-template" id="repeater-sample">
<div> ${ data.Id }</div>
</script>
And the criteria would be a property simply called _associationKey. So the following would, in theory, work.
$.ajax({
// get data from server and such.
}).done(function(results){
// simple reference to the 'associative array' for easier to read code
var associative = results.AssociativeArray;
// this is a trait that everything in the 'associative array' should have to match
// this is purely, purely an example. Obviously you would use a more robust property
var match = "Id";
// go through the results and wire up the associative array objects
for(var key in associative ) {
if(associative.hasOwnProperty(key) && associative[key].hasOwnProperty(match)) {
associative[key]._associationKey = 10; // obviously an example value
}
}
// a watered down example implementation, obviously a real use would be more verbose
viewModel = kendo.observable({
// property = results.property
// property = results.property
associativeArray = associative
});
kendo.bind('body', viewModel);
});
So far this actually seems to work pretty well, but I have to hard code the logic in the template using inline scripting. That's kind of what I want to avoid.
Problem
The big issue is that I'm vastly confused on telerik's documentation for custom bindings (available here). I do have their examples to draw from, yes - but it's a bit confusing to me how it interacts with the object. I'll try to explain, but I'm so lost that it may be difficult.
This is what telerik gives for an example custom binding, and I've pruned it a bit for space concerns;
<script>
kendo.data.binders.repeater = kendo.data.Binder.extend({
init: function(element, bindings, options) {
//call the base constructor
kendo.data.Binder.fn.init.call(this, element, bindings, options);
var that = this;
// how do we interact with the data that was bound?
}
});
</script>
So essentially that's where I am lost. I'm having a big disconnect figuring out how to interact with the actual "associative array" that is bound using data-bind="repeat: associativeArray"
So ..
I need to interact with the bound data (the entire 'associative array')
I need to be able to tell it to render the target template for each instance that matches
Further Updates
I have been digging through the kendo source code, and this is what I have so far - by taking the source binding as an example... but I'm still not getting the right results. Unfortunately this poses a few problems;
some of the functions are internal to kendo, I'm not sure how to get access to them without re-writing them. While I have the source and can do that, I'd prefer to make version agnostic code so that it can "plug in" to newer releases
I'm totally lost about what a lot of this does. I basically made a copy of the source binding and replaced it with my own syntax where possible, since the concept is fundamentally the same. I cannot figure out where to do the test for qualification to be rendered, if that makes sense.
I'm having a big logic disconnect here - there should ideally be some place where I can basically say ... If the current item that kendo is attempting to render in a template matches a criteria, render it. If not, pass it over and then another place where I tell it to iterate over every object in the 'associative array' so as to get to the point where I test it.
I feel just forcing a for loop in here will actually make this fire too many times, and I am getting pretty lost. Any help is greatly appreciated.
kendo.data.binders.repeat = kendo.data.Binder.extend({
init: function(element, bindings, options) {
kendo.data.Binder.fn.init.call(this, element, bindings, options);
var source = this.bindings.repeat.get();
if (source instanceof kendo.data.DataSource && options.autoBind !== false) {
source.fetch();
}
},
refresh: function(e) {
var that = this,
source = that.bindings.repeat.get();
if (source instanceof kendo.data.ObservableArray|| source instanceof kendo.data.DataSource) {
e = e || {};
if (e.action == "add") {
that.add(e.index, e.items);
} else if (e.action == "remove") {
that.remove(e.index, e.items);
} else if (e.action != "itemchange") {
that.render();
}
} else {
that.render();
}
},
container: function() {
var element = this.element;
if (element.nodeName.toLowerCase() == "table") {
if (!element.tBodies[0]) {
element.appendChild(document.createElement("tbody"));
}
element = element.tBodies[0];
}
return element;
},
template: function() {
var options = this.options,
template = options.template,
nodeName = this.container().nodeName.toLowerCase();
if (!template) {
if (nodeName == "select") {
if (options.valueField || options.textField) {
template = kendo.format('<option value="#:{0}#">#:{1}#</option>',
options.valueField || options.textField, options.textField || options.valueField);
} else {
template = "<option>#:data#</option>";
}
} else if (nodeName == "tbody") {
template = "<tr><td>#:data#</td></tr>";
} else if (nodeName == "ul" || nodeName == "ol") {
template = "<li>#:data#</li>";
} else {
template = "#:data#";
}
template = kendo.template(template);
}
return template;
},
add: function(index, items) {
var element = this.container(),
parents,
idx,
length,
child,
clone = element.cloneNode(false),
reference = element.children[index];
$(clone).html(kendo.render(this.template(), items));
if (clone.children.length) {
parents = this.bindings.repeat._parents();
for (idx = 0, length = items.length; idx < length; idx++) {
child = clone.children[0];
element.insertBefore(child, reference || null);
bindElement(child, items[idx], this.options.roles, [items[idx]].concat(parents));
}
}
},
remove: function(index, items) {
var idx, element = this.container();
for (idx = 0; idx < items.length; idx++) {
var child = element.children[index];
unbindElementTree(child);
element.removeChild(child);
}
},
render: function() {
var source = this.bindings.repeat.get(),
parents,
idx,
length,
element = this.container(),
template = this.template();
if (source instanceof kendo.data.DataSource) {
source = source.view();
}
if (!(source instanceof kendo.data.ObservableArray) && toString.call(source) !== "[object Array]") {
source = [source];
}
if (this.bindings.template) {
unbindElementChildren(element);
$(element).html(this.bindings.template.render(source));
if (element.children.length) {
parents = this.bindings.repeat._parents();
for (idx = 0, length = source.length; idx < length; idx++) {
bindElement(element.children[idx], source[idx], this.options.roles, [source[idx]].concat(parents));
}
}
}
else {
$(element).html(kendo.render(template, source));
}
}
});
I would propose as a simpler solution transform transmitted associative array in an array. This is pretty simple and (for most cases) can solve your problem.
Lets say that you get the following associative array received from the server:
{
"One" : { Name: "One", Id: "id/one" },
"Two" : { Name: "Two", Id: "id/two" },
"Three" : { Name: "Three", Id: "id/three" }
}
That is store in a variable called input. Transform it from associative to no associative is as easy as:
var output = [];
$.each(input, function(idx, elem) {
elem.index = idx;
output.push(elem);
});
Now, you have in output an equivalent array where I saved the index field into a field called index for each element of the associative array.
Now you can use out-of-the-box code for displaying the data received from the server.
See it in action here : http://jsfiddle.net/OnaBai/AGfWc/
You can even use KendoUI DataSource for retrieving and transforming the data by using DataSource.schema.parse method as:
var dataSource = new kendo.data.DataSource({
transport: {
read: ...
},
schema : {
parse: function (response) {
var output = [];
$.each(response, function(idx, elem) {
elem.index = idx;
output.push(elem);
});
return output;
}
}
});
and your model would be:
var viewModel = new kendo.data.ObservableObject({
Id: "test/id",
Associative: dataSource
});
You can see it in action here: http://jsfiddle.net/OnaBai/AGfWc/1/
I have these functions :
createTreeItem: function (num, val)
{
const XUL_NS = "http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul";
var i = document.createElementNS(XUL_NS, "treeitem");
var r = document.createElementNS(XUL_NS, "treerow");
var c1 = document.createElementNS(XUL_NS, 'treecell');
var c2 = document.createElementNS(XUL_NS, 'treecell');
var c3 = document.createElementNS(XUL_NS, 'treecell');
i.setAttribute("container", true);
i.setAttribute("open", true);
c1.setAttribute("label", num);
c2.setAttribute("label", val);
c3.setAttribute("value", false);
r.appendChild(c1);
r.appendChild(c2);
r.appendChild(c3);
i.appendChild(r);
i.addEventListener("click", test, false);
return i;
}
test: function ()
{
alert("zero");
}
func: function (liste)
{
try
{
root = document.getElementById("treeRoot");
var current;
for(o in liste)
{
current = createTreeItem(liste[o].id, liste[o].nom_scenario);
root.appendChild(current);
}
}
catch(e)
{
alert(e);
}
}
I am creating elements in a tree and I would like to add event listeners on each element created. The problem is that nothing happens.
In the code, Liste is the response of a json request. It contains all the elements I want to create in my xul file.
I'm not super familiar with this syntax, but my bet is that the test function isn't being 'hoisted' because of how it's being defined. try moving the 'test' function above the 'createTreeItem' function or just defining test like so:
function test() {
...
}
That way when it gets evaluated it will be 'hoisted' to the top so that when you try to add it as the action for the click event, it'll be defined. Not 100% sure this is correct but if I had to bet...