mirror of
https://github.com/Jermolene/TiddlyWiki5
synced 2024-12-12 03:00:28 +00:00
335 lines
11 KiB
JavaScript
335 lines
11 KiB
JavaScript
/*\
|
|
title: $:/core/modules/widgets/checkbox.js
|
|
type: application/javascript
|
|
module-type: widget
|
|
|
|
Checkbox widget
|
|
|
|
\*/
|
|
(function(){
|
|
|
|
/*jslint node: true, browser: true */
|
|
/*global $tw: false */
|
|
"use strict";
|
|
|
|
var Widget = require("$:/core/modules/widgets/widget.js").widget;
|
|
|
|
var CheckboxWidget = function(parseTreeNode,options) {
|
|
this.initialise(parseTreeNode,options);
|
|
};
|
|
|
|
/*
|
|
Inherit from the base widget class
|
|
*/
|
|
CheckboxWidget.prototype = new Widget();
|
|
|
|
/*
|
|
Render this widget into the DOM
|
|
*/
|
|
CheckboxWidget.prototype.render = function(parent,nextSibling) {
|
|
var isChecked;
|
|
// Save the parent dom node
|
|
this.parentDomNode = parent;
|
|
// Compute our attributes
|
|
this.computeAttributes();
|
|
// Execute our logic
|
|
this.execute();
|
|
// Create our elements
|
|
this.labelDomNode = this.document.createElement("label");
|
|
this.labelDomNode.setAttribute("class","tc-checkbox " + this.checkboxClass);
|
|
this.inputDomNode = this.document.createElement("input");
|
|
this.inputDomNode.setAttribute("type","checkbox");
|
|
isChecked = this.getValue();
|
|
if(isChecked) {
|
|
this.inputDomNode.setAttribute("checked","true");
|
|
$tw.utils.addClass(this.labelDomNode,"tc-checkbox-checked");
|
|
}
|
|
if(isChecked === undefined && this.checkboxIndeterminate === "yes") {
|
|
this.inputDomNode.indeterminate = true;
|
|
}
|
|
if(this.isDisabled === "yes") {
|
|
this.inputDomNode.setAttribute("disabled",true);
|
|
}
|
|
this.labelDomNode.appendChild(this.inputDomNode);
|
|
this.spanDomNode = this.document.createElement("span");
|
|
this.labelDomNode.appendChild(this.spanDomNode);
|
|
// Add a click event handler
|
|
$tw.utils.addEventListeners(this.inputDomNode,[
|
|
{name: "change", handlerObject: this, handlerMethod: "handleChangeEvent"}
|
|
]);
|
|
// Insert the label into the DOM and render any children
|
|
parent.insertBefore(this.labelDomNode,nextSibling);
|
|
this.renderChildren(this.spanDomNode,null);
|
|
this.domNodes.push(this.labelDomNode);
|
|
};
|
|
|
|
CheckboxWidget.prototype.getValue = function() {
|
|
var tiddler = this.wiki.getTiddler(this.checkboxTitle);
|
|
if(tiddler || this.checkboxFilter) {
|
|
if(tiddler && this.checkboxTag) {
|
|
if(this.checkboxInvertTag === "yes") {
|
|
return !tiddler.hasTag(this.checkboxTag);
|
|
} else {
|
|
return tiddler.hasTag(this.checkboxTag);
|
|
}
|
|
}
|
|
if(tiddler && (this.checkboxField || this.checkboxIndex)) {
|
|
// Same logic applies to fields and indexes
|
|
var value;
|
|
if(this.checkboxField) {
|
|
if($tw.utils.hop(tiddler.fields,this.checkboxField)) {
|
|
value = tiddler.fields[this.checkboxField] || "";
|
|
} else {
|
|
value = this.checkboxDefault || "";
|
|
}
|
|
} else {
|
|
value = this.wiki.extractTiddlerDataItem(tiddler,this.checkboxIndex,this.checkboxDefault || "");
|
|
}
|
|
if(value === this.checkboxChecked) {
|
|
return true;
|
|
}
|
|
if(value === this.checkboxUnchecked) {
|
|
return false;
|
|
}
|
|
// Neither value found: were both specified?
|
|
if(this.checkboxChecked && !this.checkboxUnchecked) {
|
|
return false; // Absence of checked value
|
|
}
|
|
if(this.checkboxUnchecked && !this.checkboxChecked) {
|
|
return true; // Absence of unchecked value
|
|
}
|
|
if(this.checkboxChecked && this.checkboxUnchecked) {
|
|
// Both specified but neither found: indeterminate or false, depending
|
|
if(this.checkboxIndeterminate === "yes") {
|
|
return undefined;
|
|
} else {
|
|
return false;
|
|
}
|
|
}
|
|
}
|
|
if(this.checkboxListField || this.checkboxListIndex || this.checkboxFilter) {
|
|
// Same logic applies to lists and filters
|
|
var list;
|
|
if(this.checkboxListField) {
|
|
if($tw.utils.hop(tiddler.fields,this.checkboxListField)) {
|
|
list = tiddler.getFieldList(this.checkboxListField) || [];
|
|
} else {
|
|
list = $tw.utils.parseStringArray(this.checkboxDefault || "") || [];
|
|
}
|
|
} else if(this.checkboxListIndex) {
|
|
list = $tw.utils.parseStringArray(this.wiki.extractTiddlerDataItem(tiddler,this.checkboxListIndex,this.checkboxDefault || "")) || [];
|
|
} else {
|
|
list = this.wiki.filterTiddlers(this.checkboxFilter,this) || [];
|
|
}
|
|
if(list.indexOf(this.checkboxChecked) !== -1) {
|
|
return true;
|
|
}
|
|
if(list.indexOf(this.checkboxUnchecked) !== -1) {
|
|
return false;
|
|
}
|
|
// Neither one present
|
|
if(this.checkboxChecked && !this.checkboxUnchecked) {
|
|
return false; // Absence of checked value
|
|
}
|
|
if(this.checkboxUnchecked && !this.checkboxChecked) {
|
|
return true; // Absence of unchecked value
|
|
}
|
|
if(this.checkboxChecked && this.checkboxUnchecked) {
|
|
// Both specified but neither found: indeterminate or false, depending
|
|
if(this.checkboxIndeterminate === "yes") {
|
|
return undefined;
|
|
} else {
|
|
return false;
|
|
}
|
|
}
|
|
// Neither specified, so empty list is false, non-empty is true
|
|
return !!list.length;
|
|
}
|
|
} else {
|
|
if(this.checkboxTag) {
|
|
return false;
|
|
}
|
|
if(this.checkboxField) {
|
|
if(this.checkboxDefault === this.checkboxChecked) {
|
|
return true;
|
|
}
|
|
if(this.checkboxDefault === this.checkboxUnchecked) {
|
|
return false;
|
|
}
|
|
}
|
|
}
|
|
return false;
|
|
};
|
|
|
|
CheckboxWidget.prototype.handleChangeEvent = function(event) {
|
|
var checked = this.inputDomNode.checked,
|
|
tiddler = this.wiki.getTiddler(this.checkboxTitle),
|
|
fallbackFields = {text: ""},
|
|
newFields = {title: this.checkboxTitle},
|
|
hasChanged = false,
|
|
tagCheck = false,
|
|
hasTag = tiddler && tiddler.hasTag(this.checkboxTag),
|
|
value = checked ? this.checkboxChecked : this.checkboxUnchecked,
|
|
notValue = checked ? this.checkboxUnchecked : this.checkboxChecked;
|
|
if(this.checkboxTag && this.checkboxInvertTag === "yes") {
|
|
tagCheck = hasTag === checked;
|
|
} else {
|
|
tagCheck = hasTag !== checked;
|
|
}
|
|
// Set the tag if specified
|
|
if(this.checkboxTag && (!tiddler || tagCheck)) {
|
|
newFields.tags = tiddler ? (tiddler.fields.tags || []).slice(0) : [];
|
|
var pos = newFields.tags.indexOf(this.checkboxTag);
|
|
if(pos !== -1) {
|
|
newFields.tags.splice(pos,1);
|
|
}
|
|
if(this.checkboxInvertTag === "yes" && !checked) {
|
|
newFields.tags.push(this.checkboxTag);
|
|
} else if(this.checkboxInvertTag !== "yes" && checked) {
|
|
newFields.tags.push(this.checkboxTag);
|
|
}
|
|
hasChanged = true;
|
|
}
|
|
// Set the field if specified
|
|
if(this.checkboxField) {
|
|
if(!tiddler || tiddler.fields[this.checkboxField] !== value) {
|
|
newFields[this.checkboxField] = value;
|
|
hasChanged = true;
|
|
}
|
|
}
|
|
// Set the index if specified
|
|
if(this.checkboxIndex) {
|
|
var indexValue = this.wiki.extractTiddlerDataItem(this.checkboxTitle,this.checkboxIndex);
|
|
if(!tiddler || indexValue !== value) {
|
|
hasChanged = true;
|
|
}
|
|
}
|
|
// Set the list field (or index) if specified
|
|
if(this.checkboxListField || this.checkboxListIndex) {
|
|
var fieldContents, listContents, oldPos, newPos;
|
|
if(this.checkboxListField) {
|
|
fieldContents = (tiddler ? tiddler.fields[this.checkboxListField] : undefined) || [];
|
|
} else {
|
|
fieldContents = this.wiki.extractTiddlerDataItem(this.checkboxTitle,this.checkboxListIndex);
|
|
}
|
|
if($tw.utils.isArray(fieldContents)) {
|
|
// Make a copy so we can modify it without changing original that's refrenced elsewhere
|
|
listContents = fieldContents.slice(0);
|
|
} else if(fieldContents === undefined) {
|
|
listContents = [];
|
|
} else if(typeof fieldContents === "string") {
|
|
listContents = $tw.utils.parseStringArray(fieldContents);
|
|
// No need to copy since parseStringArray returns a fresh array, not refrenced elsewhere
|
|
} else {
|
|
// Field was neither an array nor a string; it's probably something that shouldn't become
|
|
// an array (such as a date field), so bail out *without* triggering actions
|
|
return;
|
|
}
|
|
oldPos = notValue ? listContents.indexOf(notValue) : -1;
|
|
newPos = value ? listContents.indexOf(value) : -1;
|
|
if(oldPos === -1 && newPos !== -1) {
|
|
// old value absent, new value present: no change needed
|
|
} else if(oldPos === -1) {
|
|
// neither one was present
|
|
if(value) {
|
|
listContents.push(value);
|
|
hasChanged = true;
|
|
} else {
|
|
// value unspecified? then leave list unchanged
|
|
}
|
|
} else if(newPos === -1) {
|
|
// old value present, new value absent
|
|
if(value) {
|
|
listContents[oldPos] = value;
|
|
hasChanged = true;
|
|
} else {
|
|
listContents.splice(oldPos, 1)
|
|
hasChanged = true;
|
|
}
|
|
} else {
|
|
// both were present: just remove the old one, leave new alone
|
|
listContents.splice(oldPos, 1)
|
|
hasChanged = true;
|
|
}
|
|
if(this.checkboxListField) {
|
|
newFields[this.checkboxListField] = $tw.utils.stringifyList(listContents);
|
|
}
|
|
// The listIndex case will be handled in the if(hasChanged) block below
|
|
}
|
|
if(hasChanged) {
|
|
if(this.checkboxIndex) {
|
|
this.wiki.setText(this.checkboxTitle,"",this.checkboxIndex,value);
|
|
} else if(this.checkboxListIndex) {
|
|
var listIndexValue = (listContents && listContents.length) ? $tw.utils.stringifyList(listContents) : undefined;
|
|
this.wiki.setText(this.checkboxTitle,"",this.checkboxListIndex,listIndexValue);
|
|
} else {
|
|
this.wiki.addTiddler(new $tw.Tiddler(this.wiki.getCreationFields(),fallbackFields,tiddler,newFields,this.wiki.getModificationFields()));
|
|
}
|
|
}
|
|
// Trigger actions
|
|
if(this.checkboxActions) {
|
|
this.invokeActionString(this.checkboxActions,this,event);
|
|
}
|
|
if(this.checkboxCheckActions && checked) {
|
|
this.invokeActionString(this.checkboxCheckActions,this,event);
|
|
}
|
|
if(this.checkboxUncheckActions && !checked) {
|
|
this.invokeActionString(this.checkboxUncheckActions,this,event);
|
|
}
|
|
};
|
|
|
|
/*
|
|
Compute the internal state of the widget
|
|
*/
|
|
CheckboxWidget.prototype.execute = function() {
|
|
// Get the parameters from the attributes
|
|
this.checkboxActions = this.getAttribute("actions");
|
|
this.checkboxCheckActions = this.getAttribute("checkactions");
|
|
this.checkboxUncheckActions = this.getAttribute("uncheckactions");
|
|
this.checkboxTitle = this.getAttribute("tiddler",this.getVariable("currentTiddler"));
|
|
this.checkboxTag = this.getAttribute("tag");
|
|
this.checkboxField = this.getAttribute("field");
|
|
this.checkboxIndex = this.getAttribute("index");
|
|
this.checkboxListField = this.getAttribute("listField");
|
|
this.checkboxListIndex = this.getAttribute("listIndex");
|
|
this.checkboxFilter = this.getAttribute("filter");
|
|
this.checkboxChecked = this.getAttribute("checked");
|
|
this.checkboxUnchecked = this.getAttribute("unchecked");
|
|
this.checkboxDefault = this.getAttribute("default");
|
|
this.checkboxIndeterminate = this.getAttribute("indeterminate","no");
|
|
this.checkboxClass = this.getAttribute("class","");
|
|
this.checkboxInvertTag = this.getAttribute("invertTag","");
|
|
this.isDisabled = this.getAttribute("disabled","no");
|
|
// Make the child widgets
|
|
this.makeChildWidgets();
|
|
};
|
|
|
|
/*
|
|
Selectively refreshes the widget if needed. Returns true if the widget or any of its children needed re-rendering
|
|
*/
|
|
CheckboxWidget.prototype.refresh = function(changedTiddlers) {
|
|
var changedAttributes = this.computeAttributes();
|
|
if(changedAttributes.tiddler || changedAttributes.tag || changedAttributes.invertTag || changedAttributes.field || changedAttributes.index || changedAttributes.listField || changedAttributes.listIndex || changedAttributes.filter || changedAttributes.checked || changedAttributes.unchecked || changedAttributes["default"] || changedAttributes.indeterminate || changedAttributes["class"] || changedAttributes.disabled) {
|
|
this.refreshSelf();
|
|
return true;
|
|
} else {
|
|
var refreshed = false;
|
|
if(changedTiddlers[this.checkboxTitle]) {
|
|
var isChecked = this.getValue();
|
|
this.inputDomNode.checked = !!isChecked;
|
|
this.inputDomNode.indeterminate = (isChecked === undefined);
|
|
refreshed = true;
|
|
if(isChecked) {
|
|
$tw.utils.addClass(this.labelDomNode,"tc-checkbox-checked");
|
|
} else {
|
|
$tw.utils.removeClass(this.labelDomNode,"tc-checkbox-checked");
|
|
}
|
|
}
|
|
return this.refreshChildren(changedTiddlers) || refreshed;
|
|
}
|
|
};
|
|
|
|
exports.checkbox = CheckboxWidget;
|
|
|
|
})();
|