mirror of
https://github.com/Jermolene/TiddlyWiki5
synced 2024-12-25 17:40:29 +00:00
b8897f86fb
Previously edit tiddler etc wouldn’t actually navigate to the new tiddler
399 lines
12 KiB
JavaScript
Executable File
399 lines
12 KiB
JavaScript
Executable File
/*\
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title: $:/core/modules/widgets/navigator.js
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type: application/javascript
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module-type: widget
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Navigator widget
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\*/
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(function(){
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/*jslint node: true, browser: true */
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/*global $tw: false */
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"use strict";
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var Widget = require("$:/core/modules/widgets/widget.js").widget;
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var NavigatorWidget = function(parseTreeNode,options) {
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this.initialise(parseTreeNode,options);
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this.addEventListeners([
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{type: "tw-navigate", handler: "handleNavigateEvent"},
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{type: "tw-edit-tiddler", handler: "handleEditTiddlerEvent"},
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{type: "tw-delete-tiddler", handler: "handleDeleteTiddlerEvent"},
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{type: "tw-save-tiddler", handler: "handleSaveTiddlerEvent"},
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{type: "tw-cancel-tiddler", handler: "handleCancelTiddlerEvent"},
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{type: "tw-close-tiddler", handler: "handleCloseTiddlerEvent"},
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{type: "tw-close-all-tiddlers", handler: "handleCloseAllTiddlersEvent"},
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{type: "tw-close-other-tiddlers", handler: "handleCloseOtherTiddlersEvent"},
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{type: "tw-new-tiddler", handler: "handleNewTiddlerEvent"},
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{type: "tw-import-tiddlers", handler: "handleImportTiddlersEvent"},
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]);
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};
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/*
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Inherit from the base widget class
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*/
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NavigatorWidget.prototype = new Widget();
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/*
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Render this widget into the DOM
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*/
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NavigatorWidget.prototype.render = function(parent,nextSibling) {
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this.parentDomNode = parent;
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this.computeAttributes();
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this.execute();
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this.renderChildren(parent,nextSibling);
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};
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/*
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Compute the internal state of the widget
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*/
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NavigatorWidget.prototype.execute = function() {
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// Get our parameters
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this.storyTitle = this.getAttribute("story");
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this.historyTitle = this.getAttribute("history");
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// Construct the child widgets
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this.makeChildWidgets();
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};
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/*
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Selectively refreshes the widget if needed. Returns true if the widget or any of its children needed re-rendering
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*/
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NavigatorWidget.prototype.refresh = function(changedTiddlers) {
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var changedAttributes = this.computeAttributes();
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if(changedAttributes.story || changedAttributes.history) {
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this.refreshSelf();
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return true;
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} else {
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return this.refreshChildren(changedTiddlers);
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}
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};
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NavigatorWidget.prototype.getStoryList = function() {
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this.storyList = this.wiki.getTiddlerList(this.storyTitle);
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};
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NavigatorWidget.prototype.saveStoryList = function() {
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var storyTiddler = this.wiki.getTiddler(this.storyTitle);
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this.wiki.addTiddler(new $tw.Tiddler({
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title: this.storyTitle
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},storyTiddler,{list: this.storyList}));
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};
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NavigatorWidget.prototype.findTitleInStory = function(title,defaultIndex) {
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for(var t=0; t<this.storyList.length; t++) {
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if(this.storyList[t] === title) {
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return t;
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}
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}
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return defaultIndex;
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};
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/*
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Add a new record to the top of the history stack
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*/
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NavigatorWidget.prototype.addToHistory = function(title,fromPageRect) {
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// Add a new record to the top of the history stack
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if(this.historyTitle) {
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var historyList = this.wiki.getTiddlerData(this.historyTitle,[]);
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historyList.push({title: title, fromPageRect: fromPageRect});
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this.wiki.setTiddlerData(this.historyTitle,historyList);
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}
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};
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/*
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Handle a tw-navigate event
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*/
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NavigatorWidget.prototype.handleNavigateEvent = function(event) {
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if(this.storyTitle) {
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// Update the story tiddler if specified
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this.getStoryList();
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// See if the tiddler is already there
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var slot = this.findTitleInStory(event.navigateTo,-1);
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// If not we need to add it
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if(slot === -1) {
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// First we try to find the position of the story element we navigated from
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slot = this.findTitleInStory(event.navigateFromTitle,-1) + 1;
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// Add the tiddler
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this.storyList.splice(slot,0,event.navigateTo);
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// Save the story
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this.saveStoryList();
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}
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}
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this.addToHistory(event.navigateTo,event.navigateFromClientRect);
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return false;
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};
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// Close a specified tiddler
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NavigatorWidget.prototype.handleCloseTiddlerEvent = function(event) {
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this.getStoryList();
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// Look for tiddlers with this title to close
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var slot = this.findTitleInStory(event.tiddlerTitle,-1);
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if(slot !== -1) {
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this.storyList.splice(slot,1);
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this.saveStoryList();
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}
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return false;
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};
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// Close all tiddlers
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NavigatorWidget.prototype.handleCloseAllTiddlersEvent = function(event) {
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this.storyList = [];
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this.saveStoryList();
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return false;
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};
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// Close other tiddlers
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NavigatorWidget.prototype.handleCloseOtherTiddlersEvent = function(event) {
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this.storyList = [event.tiddlerTitle];
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this.saveStoryList();
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return false;
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};
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// Place a tiddler in edit mode
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NavigatorWidget.prototype.handleEditTiddlerEvent = function(event) {
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this.getStoryList();
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// Replace the specified tiddler with a draft in edit mode
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var title = event.param || event.tiddlerTitle,
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draftTiddler = this.getDraftTiddler(title),
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gotOne = false;
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for(var t=this.storyList.length-1; t>=0; t--) {
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// Replace the first story instance of the original tiddler name with the draft title
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if(this.storyList[t] === title) {
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if(!gotOne) {
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this.storyList[t] = draftTiddler.fields.title;
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gotOne = true;
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} else {
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this.storyList.splice(t,1);
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}
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} else if(this.storyList[t] === draftTiddler.fields.title) {
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// Remove any existing references to the draft
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this.storyList.splice(t,1);
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}
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}
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this.addToHistory(draftTiddler.fields.title,event.navigateFromClientRect);
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this.saveStoryList();
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return false;
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};
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// Delete a tiddler
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NavigatorWidget.prototype.handleDeleteTiddlerEvent = function(event) {
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// Get the tiddler we're deleting
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var title = event.param || event.tiddlerTitle,
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tiddler = this.wiki.getTiddler(title);
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// Check if the tiddler we're deleting is in draft mode
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if(tiddler.hasField("draft.title")) {
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// Delete the original tiddler
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this.wiki.deleteTiddler(tiddler.fields["draft.of"]);
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}
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// Delete this tiddler
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this.wiki.deleteTiddler(title);
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// Remove the closed tiddler from the story
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this.getStoryList();
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// Look for tiddler with this title to close
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var slot = this.findTitleInStory(title,-1);
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if(slot !== -1) {
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this.storyList.splice(slot,1);
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this.saveStoryList();
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}
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return false;
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};
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/*
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Create/reuse the draft tiddler for a given title
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*/
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NavigatorWidget.prototype.getDraftTiddler = function(targetTitle) {
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// See if there is already a draft tiddler for this tiddler
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var drafts = [];
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this.wiki.forEachTiddler(function(title,tiddler) {
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if(tiddler.fields["draft.title"] && tiddler.fields["draft.of"] === targetTitle) {
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drafts.push(tiddler);
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}
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});
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if(drafts.length > 0) {
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return drafts[0];
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}
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// Get the current value of the tiddler we're editing
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var tiddler = this.wiki.getTiddler(targetTitle),
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draftTitle = this.generateDraftTitle(targetTitle);
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// Save the initial value of the draft tiddler
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var draftTiddler = new $tw.Tiddler(
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{text: "Type the text for the tiddler '" + targetTitle + "'"},
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tiddler,
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{
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title: draftTitle,
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"draft.title": targetTitle,
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"draft.of": targetTitle
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},
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this.wiki.getModificationFields()
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);
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this.wiki.addTiddler(draftTiddler);
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return draftTiddler;
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};
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/*
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Generate a title for the draft of a given tiddler
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*/
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NavigatorWidget.prototype.generateDraftTitle = function(title) {
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var c = 0;
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do {
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var draftTitle = "Draft " + (c ? (c + 1) + " " : "") + "of '" + title + "'";
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c++;
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} while(this.wiki.tiddlerExists(draftTitle));
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return draftTitle;
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};
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// Take a tiddler out of edit mode, saving the changes
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NavigatorWidget.prototype.handleSaveTiddlerEvent = function(event) {
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this.getStoryList();
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var title = event.param || event.tiddlerTitle,
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storyTiddlerModified = false; // We have to special case saving the story tiddler itself
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for(var t=0; t<this.storyList.length; t++) {
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if(this.storyList[t] === title) {
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var tiddler = this.wiki.getTiddler(title);
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if(tiddler) {
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var draftTitle = (tiddler.fields["draft.title"] || "").trim(),
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draftOf = (tiddler.fields["draft.of"] || "").trim();
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if(draftTitle) {
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var isRename = draftOf !== draftTitle,
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isConfirmed = true;
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if(isRename && this.wiki.tiddlerExists(draftTitle)) {
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isConfirmed = confirm("Do you wish to overwrite the tiddler '" + draftTitle + "'?");
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}
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if(isConfirmed) {
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// Save the draft tiddler as the real tiddler
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this.wiki.addTiddler(new $tw.Tiddler(this.wiki.getCreationFields(),tiddler,{
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title: draftTitle,
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"draft.title": undefined,
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"draft.of": undefined
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},this.wiki.getModificationFields()));
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// Remove the draft tiddler
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this.wiki.deleteTiddler(title);
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// Remove the original tiddler if we're renaming it
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if(isRename) {
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this.wiki.deleteTiddler(draftOf);
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}
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// Make the story record point to the newly saved tiddler
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this.storyList[t] = draftTitle;
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// Check if we're modifying the story tiddler itself
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if(draftTitle === this.storyTitle) {
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storyTiddlerModified = true;
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}
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this.addToHistory(draftTitle,event.navigateFromClientRect);
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}
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}
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}
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}
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}
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if(!storyTiddlerModified) {
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this.saveStoryList();
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}
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return false;
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};
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// Take a tiddler out of edit mode without saving the changes
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NavigatorWidget.prototype.handleCancelTiddlerEvent = function(event) {
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this.getStoryList();
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var storyTiddlerModified = false;
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// Flip the specified tiddler from draft back to the original
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var draftTitle = event.param || event.tiddlerTitle,
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draftTiddler = this.wiki.getTiddler(draftTitle);
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if(draftTiddler && draftTiddler.hasField("draft.of")) {
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var originalTitle = draftTiddler.fields["draft.of"];
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// Remove the draft tiddler
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this.wiki.deleteTiddler(draftTitle);
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// Swap the draft for the original in the story
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for(var t=0; t<this.storyList.length; t++) {
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if(this.storyList[t] === draftTitle) {
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// Make the story record point to the original tiddler
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this.storyList[t] = originalTitle;
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storyTiddlerModified = true;
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}
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}
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this.addToHistory(originalTitle,event.navigateFromClientRect);
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}
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if(storyTiddlerModified) {
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this.saveStoryList();
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}
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return false;
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};
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// Create a new draft tiddler
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NavigatorWidget.prototype.handleNewTiddlerEvent = function(event) {
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// Get the story details
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this.getStoryList();
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// Get the template tiddler if there is one
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var templateTiddler = this.wiki.getTiddler(event.param);
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// Create the new tiddler
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var baseTitle = (templateTiddler && templateTiddler.fields.title) || "New Tiddler",
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title;
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for(var t=0; true; t++) {
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title = baseTitle + (t ? " " + t : "");
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if(!this.wiki.tiddlerExists(title)) {
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break;
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}
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}
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var tiddler = new $tw.Tiddler(this.wiki.getCreationFields(),{
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text: "Newly created tiddler",
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title: title
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},this.wiki.getModificationFields());
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this.wiki.addTiddler(tiddler);
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// Create the draft tiddler
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var draftTitle = this.generateDraftTitle(title),
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draftTiddler = new $tw.Tiddler({
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text: "Type the text for the new tiddler"
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},templateTiddler,{
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title: draftTitle,
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"draft.title": title,
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"draft.of": title
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},this.wiki.getModificationFields());
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this.wiki.addTiddler(draftTiddler);
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// Update the story to insert the new draft at the top
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var slot = this.findTitleInStory(event.navigateFromTitle,-1) + 1;
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this.storyList.splice(slot,0,draftTitle);
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// Save the updated story
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this.saveStoryList();
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// Add a new record to the top of the history stack
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this.addToHistory(draftTitle);
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return false;
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};
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// Import JSON tiddlers
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NavigatorWidget.prototype.handleImportTiddlersEvent = function(event) {
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var self = this;
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// Get the story and history details
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this.getStoryList();
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var history = this.wiki.getTiddlerData(this.historyTitle,[]);
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// Get the tiddlers
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var tiddlers = [];
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try {
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tiddlers = JSON.parse(event.param);
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} catch(e) {
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}
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// Process each tiddler
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$tw.utils.each(tiddlers,function(tiddlerFields) {
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var title = tiddlerFields.title;
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// Add it to the store
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var imported = self.wiki.importTiddler(new $tw.Tiddler(
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self.wiki.getCreationFields(),
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self.wiki.getModificationFields(),
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tiddlerFields
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));
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if(imported) {
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// Add it to the story
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if(self.storyList.indexOf(title) === -1) {
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self.storyList.unshift(title);
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}
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// And to history
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history.push({title: title});
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}
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});
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// Save the updated story and history
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this.saveStoryList();
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this.wiki.setTiddlerData(this.historyTitle,history);
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return false;
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};
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exports.navigator = NavigatorWidget;
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})();
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