mirror of
https://github.com/Jermolene/TiddlyWiki5
synced 2024-08-31 05:22:43 +00:00
291 lines
9.6 KiB
JavaScript
291 lines
9.6 KiB
JavaScript
/*\
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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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Implements the 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 NavigatorWidget = function(renderer) {
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// Save state
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this.renderer = renderer;
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// Generate child nodes
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this.generate();
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};
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NavigatorWidget.prototype.generate = function() {
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// Get our parameters
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this.storyTitle = this.renderer.getAttribute("story");
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this.historyTitle = this.renderer.getAttribute("history");
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// Set the element
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this.tag = "div";
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this.attributes = {
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"class": "tw-navigator"
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};
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this.children = this.renderer.renderTree.createRenderers(this.renderer,this.renderer.parseTreeNode.children);
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this.events = [
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{name: "tw-navigate", handlerObject: this, handlerMethod: "handleNavigateEvent"},
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{name: "tw-edit-tiddler", handlerObject: this, handlerMethod: "handleEditTiddlerEvent"},
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{name: "tw-delete-tiddler", handlerObject: this, handlerMethod: "handleDeleteTiddlerEvent"},
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{name: "tw-save-tiddler", handlerObject: this, handlerMethod: "handleSaveTiddlerEvent"},
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{name: "tw-cancel-tiddler", handlerObject: this, handlerMethod: "handleCancelTiddlerEvent"},
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{name: "tw-close-tiddler", handlerObject: this, handlerMethod: "handleCloseTiddlerEvent"},
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{name: "tw-close-all-tiddlers", handlerObject: this, handlerMethod: "handleCloseAllTiddlersEvent"},
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{name: "tw-new-tiddler", handlerObject: this, handlerMethod: "handleNewTiddlerEvent"}
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];
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};
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NavigatorWidget.prototype.refreshInDom = function(changedAttributes,changedTiddlers) {
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// We don't need to refresh ourselves, so just refresh any child nodes
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$tw.utils.each(this.children,function(node) {
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if(node.refreshInDom) {
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node.refreshInDom(changedTiddlers);
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}
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});
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};
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NavigatorWidget.prototype.getStoryList = function() {
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this.storyList = this.renderer.renderTree.wiki.getTiddlerList(this.storyTitle);
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};
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NavigatorWidget.prototype.saveStoryList = function() {
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var storyTiddler = this.renderer.renderTree.wiki.getTiddler(this.storyTitle);
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this.renderer.renderTree.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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// Navigate to a specified tiddler
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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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// 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.renderer.renderTree.wiki.getTiddlerData(this.historyTitle,[]);
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historyList.push({title: event.navigateTo, fromPageRect: event.navigateFromClientRect});
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this.renderer.renderTree.wiki.setTiddlerData(this.historyTitle,historyList);
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}
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event.stopPropagation();
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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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event.stopPropagation();
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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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event.stopPropagation();
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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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for(var t=0; t<this.storyList.length; t++) {
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if(this.storyList[t] === event.tiddlerTitle) {
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// Compute the title for the draft
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var draftTitle = this.generateDraftTitle(event.tiddlerTitle);
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this.storyList[t] = draftTitle;
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// Get the current value of the tiddler we're editing
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var tiddler = this.renderer.renderTree.wiki.getTiddler(event.tiddlerTitle);
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// Save the initial value of the draft tiddler
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this.renderer.renderTree.wiki.addTiddler(new $tw.Tiddler(
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{
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text: "Type the text for the tiddler '" + event.tiddlerTitle + "'"
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},
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tiddler,
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{
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title: draftTitle,
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"draft.title": event.tiddlerTitle,
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"draft.of": event.tiddlerTitle
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},
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this.renderer.renderTree.wiki.getModificationFields()
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));
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}
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}
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this.saveStoryList();
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event.stopPropagation();
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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 title we're deleting
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var tiddler = this.renderer.renderTree.wiki.getTiddler(event.tiddlerTitle);
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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.renderer.renderTree.wiki.deleteTiddler(tiddler.fields["draft.of"]);
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}
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// Delete this tiddler
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this.renderer.renderTree.wiki.deleteTiddler(event.tiddlerTitle);
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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(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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event.stopPropagation();
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return false;
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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.renderer.renderTree.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 storyTiddlerModified = false;
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for(var t=0; t<this.storyList.length; t++) {
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if(this.storyList[t] === event.tiddlerTitle) {
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var tiddler = this.renderer.renderTree.wiki.getTiddler(event.tiddlerTitle);
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if(tiddler.hasField("draft.title")) {
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// Save the draft tiddler as the real tiddler
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this.renderer.renderTree.wiki.addTiddler(new $tw.Tiddler(this.renderer.renderTree.wiki.getCreationFields(),tiddler,{
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title: tiddler.fields["draft.title"],
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"draft.title": undefined,
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"draft.of": undefined
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},this.renderer.renderTree.wiki.getModificationFields()));
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// Remove the draft tiddler
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this.renderer.renderTree.wiki.deleteTiddler(event.tiddlerTitle);
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// Remove the original tiddler if we're renaming it
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if(tiddler.fields["draft.of"] !== tiddler.fields["draft.title"]) {
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this.renderer.renderTree.wiki.deleteTiddler(tiddler.fields["draft.of"]);
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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] = tiddler.fields["draft.title"];
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// Check if we're modifying the story tiddler itself
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if(tiddler.fields["draft.title"] === this.storyTitle) {
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storyTiddlerModified = true;
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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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event.stopPropagation();
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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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for(var t=0; t<this.storyList.length; t++) {
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if(this.storyList[t] === event.tiddlerTitle) {
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var tiddler = this.renderer.renderTree.wiki.getTiddler(event.tiddlerTitle);
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if(tiddler.hasField("draft.title")) {
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// Remove the draft tiddler
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this.renderer.renderTree.wiki.deleteTiddler(event.tiddlerTitle);
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// Make the story record point to the original tiddler
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this.storyList[t] = tiddler.fields["draft.title"];
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// Check if we're modifying the story tiddler itself
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if(tiddler.fields["draft.title"] === this.storyTitle) {
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storyTiddlerModified = true;
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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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event.stopPropagation();
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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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// Create the new tiddler
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var title;
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for(var t=0; true; t++) {
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title = "New Tiddler" + (t ? " " + t : "");
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if(!this.renderer.renderTree.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.renderer.renderTree.wiki.getCreationFields(),{
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title: title,
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text: "Newly created tiddler"
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},this.renderer.renderTree.wiki.getModificationFields());
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this.renderer.renderTree.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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title: draftTitle,
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"draft.title": title,
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"draft.of": title
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},this.renderer.renderTree.wiki.getModificationFields());
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this.renderer.renderTree.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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var history = this.renderer.renderTree.wiki.getTiddlerData(this.historyTitle,[]);
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history.push({title: draftTitle});
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this.renderer.renderTree.wiki.setTiddlerData(this.historyTitle,history);
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event.stopPropagation();
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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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