mirror of
https://github.com/Jermolene/TiddlyWiki5
synced 2024-11-15 06:14:53 +00:00
b31803608b
@felixhayashi sorry I should have realised earlier that it’s worth doing it this way so that we can have different settings for different story rivers.
568 lines
17 KiB
JavaScript
Executable File
568 lines
17 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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]);
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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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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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// 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 $tw.Tiddler(this.wiki.getCreationFields(),tiddler,{
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title: draftTitle,
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"draft.title": undefined,
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"draft.of": undefined
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},this.wiki.getModificationFields()));
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// Remove the draft tiddler
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this.wiki.deleteTiddler(title);
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// Remove the original tiddler if we're renaming it
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if(isRename) {
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this.wiki.deleteTiddler(draftOf);
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}
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// Replace the draft in the story with the original
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this.replaceFirstTitleInStory(storyList,title,draftTitle);
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this.addToHistory(draftTitle,event.navigateFromClientRect);
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if(draftTitle !== this.storyTitle) {
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this.saveStoryList(storyList);
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}
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// Trigger an autosave
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$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(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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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 {
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tiddlers = JSON.parse(event.param);
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} catch(e) {
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}
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// Get the current $:/Import tiddler
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var importTiddler = this.wiki.getTiddler(IMPORT_TITLE),
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importData = this.wiki.getTiddlerData(IMPORT_TITLE,{}),
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newFields = new Object({
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title: IMPORT_TITLE,
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type: "application/json",
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"plugin-type": "import",
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"status": "pending"
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}),
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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.getTiddlerData(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: IMPORT_TITLE,
|
|
text: importReport.join("\n"),
|
|
"status": "complete"
|
|
}));
|
|
// Navigate to the $:/Import tiddler
|
|
this.addToHistory([IMPORT_TITLE]);
|
|
// Trigger an autosave
|
|
$tw.rootWidget.dispatchEvent({type: "tm-auto-save-wiki"});
|
|
};
|
|
|
|
exports.navigator = NavigatorWidget;
|
|
|
|
})();
|