mirror of
https://github.com/Jermolene/TiddlyWiki5
synced 2024-06-28 16:23:15 +00:00
615 lines
19 KiB
JavaScript
Executable File
615 lines
19 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 $tw: false */
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"use strict";
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var IMPORT_TITLE = "$:/Import";
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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: "tm-navigate", handler: "handleNavigateEvent"},
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{type: "tm-edit-tiddler", handler: "handleEditTiddlerEvent"},
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{type: "tm-delete-tiddler", handler: "handleDeleteTiddlerEvent"},
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{type: "tm-save-tiddler", handler: "handleSaveTiddlerEvent"},
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{type: "tm-cancel-tiddler", handler: "handleCancelTiddlerEvent"},
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{type: "tm-close-tiddler", handler: "handleCloseTiddlerEvent"},
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{type: "tm-close-all-tiddlers", handler: "handleCloseAllTiddlersEvent"},
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{type: "tm-close-other-tiddlers", handler: "handleCloseOtherTiddlersEvent"},
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{type: "tm-new-tiddler", handler: "handleNewTiddlerEvent"},
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{type: "tm-import-tiddlers", handler: "handleImportTiddlersEvent"},
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{type: "tm-perform-import", handler: "handlePerformImportEvent"},
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{type: "tm-fold-tiddler", handler: "handleFoldTiddlerEvent"},
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{type: "tm-fold-other-tiddlers", handler: "handleFoldOtherTiddlersEvent"},
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{type: "tm-fold-all-tiddlers", handler: "handleFoldAllTiddlersEvent"},
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{type: "tm-unfold-all-tiddlers", handler: "handleUnfoldAllTiddlersEvent"}
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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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return this.storyTitle ? this.wiki.getTiddlerList(this.storyTitle) : null;
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};
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NavigatorWidget.prototype.saveStoryList = function(storyList) {
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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,
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{list: storyList}
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));
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};
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NavigatorWidget.prototype.removeTitleFromStory = function(storyList,title) {
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var p = storyList.indexOf(title);
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while(p !== -1) {
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storyList.splice(p,1);
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p = storyList.indexOf(title);
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}
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};
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NavigatorWidget.prototype.replaceFirstTitleInStory = function(storyList,oldTitle,newTitle) {
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var pos = storyList.indexOf(oldTitle);
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if(pos !== -1) {
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storyList[pos] = newTitle;
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do {
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pos = storyList.indexOf(oldTitle,pos + 1);
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if(pos !== -1) {
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storyList.splice(pos,1);
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}
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} while(pos !== -1);
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} else {
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storyList.splice(0,0,newTitle);
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}
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};
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NavigatorWidget.prototype.addToStory = function(title,fromTitle) {
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var storyList = this.getStoryList();
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// Quit if we cannot get hold of the story list
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if(!storyList) {
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return;
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}
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// See if the tiddler is already there
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var slot = storyList.indexOf(title);
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// Quit if it already exists in the story river
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if(slot >= 0) {
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return;
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}
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// First we try to find the position of the story element we navigated from
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var fromIndex = storyList.indexOf(fromTitle);
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if(fromIndex >= 0) {
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// The tiddler is added from inside the river
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// Determine where to insert the tiddler; Fallback is "below"
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switch(this.getAttribute("openLinkFromInsideRiver","below")) {
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case "top":
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slot = 0;
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break;
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case "bottom":
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slot = storyList.length;
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break;
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case "above":
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slot = fromIndex;
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break;
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case "below": // Intentional fall-through
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default:
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slot = fromIndex + 1;
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break;
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}
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} else {
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// The tiddler is opened from outside the river. Determine where to insert the tiddler; default is "top"
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if(this.getAttribute("openLinkFromOutsideRiver","top") === "bottom") {
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// Insert at bottom
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slot = storyList.length;
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} else {
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// Insert at top
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slot = 0;
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}
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}
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// Add the tiddler
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storyList.splice(slot,0,title);
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// Save the story
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this.saveStoryList(storyList);
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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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title: a title string or an array of title strings
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fromPageRect: page coordinates of the origin of the navigation
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*/
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NavigatorWidget.prototype.addToHistory = function(title,fromPageRect) {
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this.wiki.addToHistory(title,fromPageRect,this.historyTitle);
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};
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/*
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Handle a tm-navigate event
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*/
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NavigatorWidget.prototype.handleNavigateEvent = function(event) {
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if(event.navigateTo) {
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this.addToStory(event.navigateTo,event.navigateFromTitle);
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if(!event.navigateSuppressNavigation) {
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this.addToHistory(event.navigateTo,event.navigateFromClientRect);
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}
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}
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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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var title = event.param || event.tiddlerTitle,
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storyList = this.getStoryList();
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// Look for tiddlers with this title to close
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this.removeTitleFromStory(storyList,title);
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this.saveStoryList(storyList);
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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.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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var title = event.param || event.tiddlerTitle;
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this.saveStoryList([title]);
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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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var self = this;
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function isUnmodifiedShadow(title) {
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return self.wiki.isShadowTiddler(title) && !self.wiki.tiddlerExists(title);
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}
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function confirmEditShadow(title) {
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return confirm($tw.language.getString(
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"ConfirmEditShadowTiddler",
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{variables:
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{title: title}
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}
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));
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}
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var title = event.param || event.tiddlerTitle;
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if(isUnmodifiedShadow(title) && !confirmEditShadow(title)) {
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return false;
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}
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// Replace the specified tiddler with a draft in edit mode
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var draftTiddler = this.makeDraftTiddler(title);
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// Update the story and history if required
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if(!event.paramObject || event.paramObject.suppressNavigation !== "yes") {
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var draftTitle = draftTiddler.fields.title,
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storyList = this.getStoryList();
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this.removeTitleFromStory(storyList,draftTitle);
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this.replaceFirstTitleInStory(storyList,title,draftTitle);
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this.addToHistory(draftTitle,event.navigateFromClientRect);
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this.saveStoryList(storyList);
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return false;
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}
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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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storyList = this.getStoryList(),
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originalTitle = tiddler ? tiddler.fields["draft.of"] : "",
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confirmationTitle;
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if(!tiddler) {
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return false;
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}
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// Check if the tiddler we're deleting is in draft mode
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if(originalTitle) {
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// If so, we'll prompt for confirmation referencing the original tiddler
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confirmationTitle = originalTitle;
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} else {
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// If not a draft, then prompt for confirmation referencing the specified tiddler
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confirmationTitle = title;
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}
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// Seek confirmation
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if((this.wiki.getTiddler(originalTitle) || (tiddler.fields.text || "") !== "") && !confirm($tw.language.getString(
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"ConfirmDeleteTiddler",
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{variables:
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{title: confirmationTitle}
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}
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))) {
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return false;
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}
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// Delete the original tiddler
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if(originalTitle) {
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this.wiki.deleteTiddler(originalTitle);
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this.removeTitleFromStory(storyList,originalTitle);
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}
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// Delete this tiddler
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this.wiki.deleteTiddler(title);
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// Remove the closed tiddler from the story
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this.removeTitleFromStory(storyList,title);
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this.saveStoryList(storyList);
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// Trigger an autosave
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$tw.rootWidget.dispatchEvent({type: "tm-auto-save-wiki"});
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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.makeDraftTiddler = function(targetTitle) {
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// See if there is already a draft tiddler for this tiddler
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var draftTitle = this.wiki.findDraft(targetTitle);
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if(draftTitle) {
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return this.wiki.getTiddler(draftTitle);
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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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// Save the initial value of the draft tiddler
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draftTitle = this.generateDraftTitle(targetTitle);
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var draftTiddler = new $tw.Tiddler(
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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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draftTitle;
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do {
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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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var title = event.param || event.tiddlerTitle,
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tiddler = this.wiki.getTiddler(title),
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storyList = this.getStoryList();
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// Replace the original tiddler with the draft
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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($tw.language.getString(
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"ConfirmOverwriteTiddler",
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{variables:
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{title: draftTitle}
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}
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));
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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 $tw.Tiddler(this.wiki.getCreationFields(),tiddler,{
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title: draftTitle,
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"draft.title": undefined,
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"draft.of": undefined
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},this.wiki.getModificationFields()));
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// Remove the draft tiddler
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this.wiki.deleteTiddler(title);
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// Remove the original tiddler if we're renaming it
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if(isRename) {
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this.wiki.deleteTiddler(draftOf);
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}
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if(!event.paramObject || event.paramObject.suppressNavigation !== "yes") {
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// Replace the draft in the story with the original
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this.replaceFirstTitleInStory(storyList,title,draftTitle);
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this.addToHistory(draftTitle,event.navigateFromClientRect);
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if(draftTitle !== this.storyTitle) {
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this.saveStoryList(storyList);
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}
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}
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// Trigger an autosave
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$tw.rootWidget.dispatchEvent({type: "tm-auto-save-wiki"});
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}
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}
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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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// 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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originalTitle = draftTiddler && draftTiddler.fields["draft.of"];
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if(draftTiddler && originalTitle) {
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// Ask for confirmation if the tiddler text has changed
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var isConfirmed = true,
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originalTiddler = this.wiki.getTiddler(originalTitle),
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storyList = this.getStoryList();
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if(this.wiki.isDraftModified(draftTitle)) {
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isConfirmed = confirm($tw.language.getString(
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"ConfirmCancelTiddler",
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{variables:
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{title: draftTitle}
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}
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));
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}
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// Remove the draft tiddler
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if(isConfirmed) {
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this.wiki.deleteTiddler(draftTitle);
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if(!event.paramObject || event.paramObject.suppressNavigation !== "yes") {
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if(originalTiddler) {
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this.replaceFirstTitleInStory(storyList,draftTitle,originalTitle);
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this.addToHistory(originalTitle,event.navigateFromClientRect);
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} else {
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this.removeTitleFromStory(storyList,draftTitle);
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}
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this.saveStoryList(storyList);
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}
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}
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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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// event.param can either be the title of a template tiddler, or a hashmap of fields.
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//
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// The title of the newly created tiddler follows these rules:
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// * If a hashmap was used and a title field was specified, use that title
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// * If a hashmap was used without a title field, use a default title, if necessary making it unique with a numeric suffix
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// * If a template tiddler was used, use the title of the template, if necessary making it unique with a numeric suffix
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//
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// If a draft of the target tiddler already exists then it is reused
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NavigatorWidget.prototype.handleNewTiddlerEvent = function(event) {
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// Get the story details
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var storyList = this.getStoryList(),
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templateTiddler, additionalFields, title, draftTitle, existingTiddler;
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// Get the template tiddler (if any)
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if(typeof event.param === "string") {
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// Get the template tiddler
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templateTiddler = this.wiki.getTiddler(event.param);
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// Generate a new title
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title = this.wiki.generateNewTitle(event.param || $tw.language.getString("DefaultNewTiddlerTitle"));
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}
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// Get the specified additional fields
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if(typeof event.paramObject === "object") {
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additionalFields = event.paramObject;
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}
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if(typeof event.param === "object") { // Backwards compatibility with 5.1.3
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additionalFields = event.param;
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}
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if(additionalFields && additionalFields.title) {
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title = additionalFields.title;
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}
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// Generate a title if we don't have one
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title = title || this.wiki.generateNewTitle($tw.language.getString("DefaultNewTiddlerTitle"));
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// Find any existing draft for this tiddler
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draftTitle = this.wiki.findDraft(title);
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// Pull in any existing tiddler
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if(draftTitle) {
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existingTiddler = this.wiki.getTiddler(draftTitle);
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} else {
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draftTitle = this.generateDraftTitle(title);
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existingTiddler = this.wiki.getTiddler(title);
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}
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// Merge the tags
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var mergedTags = [];
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if(existingTiddler && existingTiddler.fields.tags) {
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$tw.utils.pushTop(mergedTags,existingTiddler.fields.tags)
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}
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if(additionalFields && additionalFields.tags) {
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// Merge tags
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mergedTags = $tw.utils.pushTop(mergedTags,$tw.utils.parseStringArray(additionalFields.tags));
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}
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if(templateTiddler && templateTiddler.fields.tags) {
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// Merge tags
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mergedTags = $tw.utils.pushTop(mergedTags,templateTiddler.fields.tags);
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}
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// Save the draft tiddler
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var draftTiddler = new $tw.Tiddler({
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text: "",
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"draft.title": title
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},
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templateTiddler,
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existingTiddler,
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additionalFields,
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this.wiki.getCreationFields(),
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{
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title: draftTitle,
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"draft.of": title,
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tags: mergedTags
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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 and remove any existing tiddler
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if(storyList.indexOf(draftTitle) === -1) {
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var slot = storyList.indexOf(event.navigateFromTitle);
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storyList.splice(slot + 1,0,draftTitle);
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}
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if(storyList.indexOf(title) !== -1) {
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storyList.splice(storyList.indexOf(title),1);
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}
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this.saveStoryList(storyList);
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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 into a pending import tiddler
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NavigatorWidget.prototype.handleImportTiddlersEvent = function(event) {
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var self = this;
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// Get the tiddlers
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var tiddlers = [];
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try {
|
|
tiddlers = JSON.parse(event.param);
|
|
} catch(e) {
|
|
}
|
|
// Get the current $:/Import tiddler
|
|
var importTiddler = this.wiki.getTiddler(IMPORT_TITLE),
|
|
importData = this.wiki.getTiddlerData(IMPORT_TITLE,{}),
|
|
newFields = new Object({
|
|
title: IMPORT_TITLE,
|
|
type: "application/json",
|
|
"plugin-type": "import",
|
|
"status": "pending"
|
|
}),
|
|
incomingTiddlers = [];
|
|
// Process each tiddler
|
|
importData.tiddlers = importData.tiddlers || {};
|
|
$tw.utils.each(tiddlers,function(tiddlerFields) {
|
|
var title = tiddlerFields.title;
|
|
if(title) {
|
|
incomingTiddlers.push(title);
|
|
importData.tiddlers[title] = tiddlerFields;
|
|
}
|
|
});
|
|
// Give the active upgrader modules a chance to process the incoming tiddlers
|
|
var messages = this.wiki.invokeUpgraders(incomingTiddlers,importData.tiddlers);
|
|
$tw.utils.each(messages,function(message,title) {
|
|
newFields["message-" + title] = message;
|
|
});
|
|
// Deselect any suppressed tiddlers
|
|
$tw.utils.each(importData.tiddlers,function(tiddler,title) {
|
|
if($tw.utils.count(tiddler) === 0) {
|
|
newFields["selection-" + title] = "unchecked";
|
|
}
|
|
});
|
|
// Save the $:/Import tiddler
|
|
newFields.text = JSON.stringify(importData,null,$tw.config.preferences.jsonSpaces);
|
|
this.wiki.addTiddler(new $tw.Tiddler(importTiddler,newFields));
|
|
// Update the story and history details
|
|
if(this.getVariable("tv-auto-open-on-import") !== "no") {
|
|
var storyList = this.getStoryList(),
|
|
history = [];
|
|
// Add it to the story
|
|
if(storyList.indexOf(IMPORT_TITLE) === -1) {
|
|
storyList.unshift(IMPORT_TITLE);
|
|
}
|
|
// And to history
|
|
history.push(IMPORT_TITLE);
|
|
// Save the updated story and history
|
|
this.saveStoryList(storyList);
|
|
this.addToHistory(history);
|
|
}
|
|
return false;
|
|
};
|
|
|
|
//
|
|
NavigatorWidget.prototype.handlePerformImportEvent = function(event) {
|
|
var self = this,
|
|
importTiddler = this.wiki.getTiddler(event.param),
|
|
importData = this.wiki.getTiddlerDataCached(event.param,{tiddlers: {}}),
|
|
importReport = [];
|
|
// Add the tiddlers to the store
|
|
importReport.push("The following tiddlers were imported:\n");
|
|
$tw.utils.each(importData.tiddlers,function(tiddlerFields) {
|
|
var title = tiddlerFields.title;
|
|
if(title && importTiddler && importTiddler.fields["selection-" + title] !== "unchecked") {
|
|
self.wiki.addTiddler(new $tw.Tiddler(tiddlerFields));
|
|
importReport.push("# [[" + tiddlerFields.title + "]]");
|
|
}
|
|
});
|
|
// Replace the $:/Import tiddler with an import report
|
|
this.wiki.addTiddler(new $tw.Tiddler({
|
|
title: event.param,
|
|
text: importReport.join("\n"),
|
|
"status": "complete"
|
|
}));
|
|
// Navigate to the $:/Import tiddler
|
|
this.addToHistory([event.param]);
|
|
// Trigger an autosave
|
|
$tw.rootWidget.dispatchEvent({type: "tm-auto-save-wiki"});
|
|
};
|
|
|
|
NavigatorWidget.prototype.handleFoldTiddlerEvent = function(event) {
|
|
var self = this,
|
|
paramObject = event.paramObject || {};
|
|
if(paramObject.foldedState) {
|
|
var foldedState = this.wiki.getTiddlerText(paramObject.foldedState,"show") === "show" ? "hide" : "show";
|
|
this.wiki.setText(paramObject.foldedState,"text",null,foldedState);
|
|
}
|
|
};
|
|
|
|
NavigatorWidget.prototype.handleFoldOtherTiddlersEvent = function(event) {
|
|
var self = this,
|
|
paramObject = event.paramObject || {},
|
|
prefix = paramObject.foldedStatePrefix;
|
|
$tw.utils.each(this.getStoryList(),function(title) {
|
|
self.wiki.setText(prefix + title,"text",null,event.param === title ? "show" : "hide");
|
|
});
|
|
};
|
|
|
|
NavigatorWidget.prototype.handleFoldAllTiddlersEvent = function(event) {
|
|
var self = this,
|
|
paramObject = event.paramObject || {},
|
|
prefix = paramObject.foldedStatePrefix;
|
|
$tw.utils.each(this.getStoryList(),function(title) {
|
|
self.wiki.setText(prefix + title,"text",null,"hide");
|
|
});
|
|
};
|
|
|
|
NavigatorWidget.prototype.handleUnfoldAllTiddlersEvent = function(event) {
|
|
var self = this,
|
|
paramObject = event.paramObject || {},
|
|
prefix = paramObject.foldedStatePrefix;
|
|
$tw.utils.each(this.getStoryList(),function(title) {
|
|
self.wiki.setText(prefix + title,"text",null,"show");
|
|
});
|
|
};
|
|
|
|
exports.navigator = NavigatorWidget;
|
|
|
|
})();
|