mirror of
https://github.com/Jermolene/TiddlyWiki5
synced 2024-11-26 19:47:20 +00:00
104 lines
2.5 KiB
JavaScript
104 lines
2.5 KiB
JavaScript
/*\
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title: $:/core/modules/tiddler.js
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type: application/javascript
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module-type: tiddlermethod
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Extension methods for the $tw.Tiddler object (constructor and methods required at boot time are in boot/boot.js)
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\*/
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(function(){
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/*jslint node: true, browser: true */
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/*global $tw: false */
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"use strict";
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exports.hasTag = function(tag) {
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return this.fields.tags && this.fields.tags.indexOf(tag) !== -1;
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};
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exports.isPlugin = function() {
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return this.fields.type === "application/json" && this.hasField("plugin-type");
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};
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exports.isDraft = function() {
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return this.hasField("draft.of");
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};
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exports.getFieldString = function(field,defaultValue) {
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var value = this.fields[field];
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// Check for a missing field
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if(value === undefined || value === null) {
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return defaultValue || "";
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}
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// Stringify the field with the associated tiddler field module (if any)
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var fieldModule = $tw.Tiddler.fieldModules[field];
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if(fieldModule && fieldModule.stringify) {
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return fieldModule.stringify.call(this,value);
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} else {
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return value.toString();
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}
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};
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/*
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Get the value of a field as a list
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*/
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exports.getFieldList = function(field) {
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var value = this.fields[field];
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// Check for a missing field
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if(value === undefined || value === null) {
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return [];
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}
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return $tw.utils.parseStringArray(value);
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};
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/*
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Get all the fields as a hashmap of strings. Options:
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exclude: an array of field names to exclude
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*/
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exports.getFieldStrings = function(options) {
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options = options || {};
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var exclude = options.exclude || [];
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var fields = {};
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for(var field in this.fields) {
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if($tw.utils.hop(this.fields,field)) {
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if(exclude.indexOf(field) === -1) {
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fields[field] = this.getFieldString(field);
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}
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}
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}
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return fields;
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};
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/*
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Get all the fields as a name:value block. Options:
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exclude: an array of field names to exclude
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*/
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exports.getFieldStringBlock = function(options) {
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options = options || {};
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var exclude = options.exclude || [],
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fields = Object.keys(this.fields).sort(),
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result = [];
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for(var t=0; t<fields.length; t++) {
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var field = fields[t];
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if(exclude.indexOf(field) === -1) {
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result.push(field + ": " + this.getFieldString(field));
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}
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}
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return result.join("\n");
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};
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exports.getFieldDay = function(field) {
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if(this.cache && this.cache.day && $tw.utils.hop(this.cache.day,field) ) {
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return this.cache.day[field];
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}
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var day = "";
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if(this.fields[field]) {
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day = (new Date($tw.utils.parseDate(this.fields[field]))).setHours(0,0,0,0);
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}
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this.cache.day = this.cache.day || {};
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this.cache.day[field] = day;
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return day;
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};
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})();
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