From 1136325f5bf29f7aa8c2470c7068e3b2c10407a0 Mon Sep 17 00:00:00 2001
From: David Evans <davidje13@users.noreply.github.com>
Date: Sun, 12 Apr 2020 17:29:07 +0100
Subject: [PATCH] Improve multi-document handling

---
 index.html                          |  3 ++-
 web/lib/editor.js                   | 15 +++++++++------
 web/lib/editor.min.js               |  2 +-
 web/scripts/editor.mjs              |  1 +
 web/scripts/interface/Interface.mjs |  9 ++++++---
 web/scripts/slots/requestSlot.mjs   |  5 ++---
 6 files changed, 21 insertions(+), 14 deletions(-)

diff --git a/index.html b/index.html
index ee3de77..559c106 100644
--- a/index.html
+++ b/index.html
@@ -80,8 +80,9 @@
 <p class="loadmsg">Loading&hellip;</p>
 <noscript><p class="noscript">This tool requires Javascript!</p></noscript>
 <nav>
+<a href="#" data-touch="Files">My Diagrams</a>
 <a href="library.htm" target="_blank" data-touch="API">Library</a>
-<a href="https://github.com/davidje13/SequenceDiagram" target="_blank" data-touch="Git">GitHub</a>
+<a href="https://github.com/davidje13/SequenceDiagram" target="_blank" data-touch="">GitHub</a>
 </nav>
 </div>
 
diff --git a/web/lib/editor.js b/web/lib/editor.js
index 9333e11..9b71bb1 100644
--- a/web/lib/editor.js
+++ b/web/lib/editor.js
@@ -1816,9 +1816,12 @@
 			const libPane = this.buildLibPane();
 			const viewPane = this.buildViewPane();
 
-			const links = this.links.map((link) => this.dom.el('a')
-				.attrs({'href': link.href, 'target': '_blank'})
-				.text(this.touchUI ? link.touchLabel : link.label));
+			const links = this.links.map((link) => {
+				const label = this.touchUI ? link.touchLabel : link.label;
+				return label && this.dom.el('a')
+					.attrs({'href': link.href, 'target': link.target || ''})
+					.text(label);
+			}).filter((x) => x);
 
 			if(this.touchUI) {
 				this.buildOptionsDownloads();
@@ -2237,13 +2240,13 @@
 
 		const dom = new DOMWrapper(window.document);
 		const container = dom.el('div').setClass('pick-document')
-			.add(dom.el('h1').text('Available documents on this computer:'))
+			.add(dom.el('h1').text('Diagrams on this device:'))
 			.add(dom.el('p').text('(right-click to delete)'))
 			.attach(document.body);
 
 		function remove(slot) {
 			// eslint-disable-next-line no-alert
-			if(window.confirm('Delete this document?')) {
+			if(window.confirm('Delete this diagram?')) {
 				slotStorage.remove(slot);
 				window.location.reload();
 			}
@@ -2261,7 +2264,6 @@
 					.attr('href', `#${slot}`)
 					.setClass('pick-document-item')
 					.add(holdInner)
-					.fastClick()
 					.on('click', (e) => {
 						e.preventDefault();
 						resolve(slot);
@@ -2404,6 +2406,7 @@
 			links.push({
 				href: element.getAttribute('href'),
 				label: element.textContent,
+				target: element.getAttribute('target'),
 				touchLabel: element.dataset.touch,
 			});
 		}
diff --git a/web/lib/editor.min.js b/web/lib/editor.min.js
index 7ece5df..4aa4e3c 100644
--- a/web/lib/editor.min.js
+++ b/web/lib/editor.min.js
@@ -1 +1 @@
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Diagram"}(this.diagram.getTitle()),this.pngDirty=!0}).on("mouseover",e=>this.code.markLineHover(e.ln)).on("mouseout",()=>this.code.unmarkLineHover()).on("click",e=>{this.code.unmarkLineHover(),this.code.selectLine(e.ln),this._hideURLBuilder()}).on("dblclick",e=>{this.diagram.toggleCollapsed(e.ln),this._hideURLBuilder()})}buildURLBuilder(){const e=this.dom.el("div").setClass("copied").add("Copied to Clipboard");this.urlOutput=this.dom.el("input").setClass("output").attr("readonly","readonly").on("focus",()=>{this.urlOutput.select(0,this.urlOutput.element.value.length)});const t=this.dom.el("button").setClass("copy").attr("title","Copy to clipboard").fastClick().on("click",()=>{this.touchUI&&this.urlOutput.styles({display:"block"}),this.urlOutput.focus().select(0,this.urlOutput.element.value.length).element.ownerDocument.execCommand("copy"),t.focus(),this.container.delClass("keyinput"),this.touchUI&&this.urlOutput.styles({display:"none"}),e.styles({display:"block",opacity:1,transition:"none"}),setTimeout(()=>e.styles({opacity:0,transition:"opacity 0.5s linear"}),1e3),setTimeout(()=>e.styles({display:"none"}),1500)}),i=()=>{this.renderOpts.styles({display:this.modeEdit.element.checked?"none":"block"}),this._refreshURL()};this.modeRender=this.dom.el("input").attrs({checked:"checked",name:"export-mode",type:"radio",value:"render"}).on("change",i),this.modeEdit=this.dom.el("input").attrs({name:"export-mode",type:"radio",value:"edit"}).on("change",i),this.modeMarkdown=this.dom.el("input").attrs({name:"export-mode",type:"radio",value:"markdown"}).on("change",i),this.urlWidth=this.dom.el("input").attrs({min:0,placeholder:"auto",step:"any",type:"number"}).on("input",()=>{this.urlZoom.val("1"),this._refreshURL()}),this.urlHeight=this.dom.el("input").attrs({min:0,placeholder:"auto",step:"any",type:"number"}).on("input",()=>{this.urlZoom.val("1"),this._refreshURL()}),this.urlZoom=this.dom.el("input").attrs({min:0,step:"any",type:"number",value:1}).on("input",()=>{this.urlWidth.val(""),this.urlHeight.val(""),this._refreshURL()}),this.renderOpts=this.dom.el("div").add(this.dom.el("label").add("width ",this.urlWidth),", ",this.dom.el("label").add("height ",this.urlHeight),this.dom.el("span").setClass("or").add("or"),this.dom.el("label").add("zoom ",this.urlZoom));const s=this.dom.el("div").setClass("config").add(this.dom.el("div").setClass("export-mode").add(this.dom.el("label").add(this.modeRender,"View"),this.dom.el("label").add(this.modeEdit,"Edit"),this.dom.el("label").add(this.modeMarkdown,"Markdown")),this.renderOpts,this.urlOutput,t,e),n=this.dom.el("div").setClass("urlbuilder").styles({display:"none"}).add(this.dom.el("div").setClass("message").add("Loading…")),r="undefined"==typeof window?"http://localhost":window.location.href;return this.renderService=new p,this.renderService.setEditBase(new URL(".",r).href),function(e){return"undefined"==typeof fetch?Promise.reject(new Error):fetch(e).then(e=>{if(!e.ok)throw new Error(e.statusText);return e})}("render/").then(e=>e.text()).then(e=>{let t=e.trim();t&&!t.startsWith("<")||(t="render/"),this.renderService.setRenderBase(new URL(t,r).href),n.empty().add(s),this._refreshURL()}).catch(()=>{n.empty().add(this.dom.el("div").setClass("message").add("No online rendering service available."))}),n}_refreshURL(){const e=this.code.value(),t={height:Number.parseFloat(this.urlHeight.element.value),width:Number.parseFloat(this.urlWidth.element.value),zoom:Number.parseFloat(this.urlZoom.element.value||"1")};let i="";if(this.modeMarkdown.element.checked){const s=this.renderService.getEditURL(e),n=this.renderService.getRenderURL(e,t);i=`[![${this.diagram.getTitle().replace(/[^a-zA-Z0-9 \-_'"]/g,"").trim()}](${n})](${s})`}else i=this.modeEdit.element.checked?this.renderService.getEditURL(e):this.renderService.getRenderURL(e,t);this.urlOutput.val(i)}_showURLBuilder(){this.builderVisible||(this.builderVisible=!0,this.touchUI?this.urlBuilder.styles({bottom:"-210px",display:"block"}):this.urlBuilder.styles({display:"block",height:"0px",padding:"0px",width:this.optsHold.element.clientWidth+"px"}),clearTimeout(this.builderTm),this.builderTm=setTimeout(()=>{this.touchUI?this.urlBuilder.styles({bottom:0}):(this.urlBuilder.styles({height:"150px",padding:"10px",width:"400px"}),this.optsHold.styles({"box-shadow":"10px 10px 25px 12px rgba(0,0,0,0.3)"}))},0),this._refreshURL())}_hideURLBuilder(){this.builderVisible&&(this.builderVisible=!1,this.touchUI?this.urlBuilder.styles({bottom:-this.urlBuilder.element.clientHeight-60+"px"}):(this.urlBuilder.styles({height:"0px",padding:"0px",width:"0px"}),this.optsHold.styles({"box-shadow":"none"})),this.container.delClass("keyinput"),clearTimeout(this.builderTm),this.builderTm=setTimeout(()=>{this.urlBuilder.styles({display:"none"})},200))}buildOptionsDownloads(){return this.downloadPNG=this.dom.el("a").text("Export PNG").attrs({download:"SequenceDiagram.png",href:"#"}).on(["focus","mouseover","mousedown"],this._downloadPNGFocus).on("touchend",this._downloadPNGFocus).on("click",this._downloadPNGClick),this.downloadSVG=this.dom.el("a").text("SVG").attrs({download:"SequenceDiagram.svg",href:"#"}).fastClick().on("click",this._downloadSVGClick),this.downloadURL=this.dom.el("a").text("URL").attrs({href:"#"}).fastClick().on("click",this._downloadURLClick),this.urlBuilder=this.buildURLBuilder(),this.optsHold=this.dom.el("div").setClass("options downloads").add(this.downloadPNG,this.downloadSVG,this.downloadURL,this.urlBuilder),this.optsHold}buildLibrary(e){const t=this.library.map(t=>{const i=this.dom.el("div").attr("title",t.title||t.code),s=this.dom.el("div").setClass("library-item").add(i).fastClick().on("click",()=>this.code.addCodeBlock(t.code,t.surround)).attach(e);return this.diagram.clone({code:function(e){return"headers fade\nterminators fade\n"+e.replace(/\{Agent([0-9]*)\}/g,(e,t)=>void 0===t?"A":String.fromCharCode("A".charCodeAt(0)+Number(t)-1)).replace(/[{}]/g,"")}(t.preview||t.code),container:i.element,render:!1}).on("error",(e,n)=>{window.console.warn("Failed to render preview",n),s.attr("class","library-item broken"),i.text(t.code)})});try{this.diagram.renderAll(t)}catch(e){}return e}buildCodePane(){const e=this.dom.el("div").setClass("pane-code");return this.code=new g(this.dom,e,{mode:"sequence",require:this.require,value:this.storage.get()||this.defaultCode}),this.code.on("enhance",(e,t)=>{this.diagram.registerCodeMirrorMode(e),t.themes=this.diagram.getThemeNames()}).on("change",()=>this.update(!1)).on("cursorActivity",(e,t)=>{this.diagram.setHighlight(Math.min(e.line,t.line))}).on("focus",()=>this._hideURLBuilder()),e}buildLibPane(){return 0===this.library.length?null:this.dom.el("div").setClass("pane-library").add(this.dom.el("div").setClass("pane-library-scroller").add(this.buildLibrary(this.dom.el("div").setClass("pane-library-inner"))))}buildViewPane(){return this.viewPaneInner=this.dom.el("div").setClass("pane-view-inner").add(this.diagram.dom()).on("touchstart",()=>this._hideURLBuilder(),{passive:!0}).on("mousedown",()=>this._hideURLBuilder()),this.errorMsg=this.dom.el("div").setClass("msg-error"),this.dom.el("div").setClass("pane-view").add(this.dom.el("div").setClass("pane-view-scroller").add(this.viewPaneInner),this.errorMsg)}build(e){this.dom=new c(e.ownerDocument),this.container=this.dom.wrap(e).on("dragover",e=>{e.preventDefault(),function(e,t){if(!e.dataTransfer.items&&0===e.dataTransfer.files.length)return[...e.dataTransfer.types].includes("Files");const i=e.dataTransfer.items||e.dataTransfer.files;return 1===i.length&&i[0].type===t}(e,"image/svg+xml")?(e.dataTransfer.dropEffect="copy",this._showDropStyle()):e.dataTransfer.dropEffect="none"}).on("dragleave",this._hideDropStyle).on("dragend",this._hideDropStyle).on("drop",e=>{e.preventDefault(),this._hideDropStyle();const t=function(e,t){const i=e.dataTransfer.items||e.dataTransfer.files;if(1!==i.length||i[0].type!==t)return null;const[s]=i;return s.getAsFile?s.getAsFile():s}(e,"image/svg+xml");t&&this.loadFile(t)}).on("focusin",()=>this.container.addClass("keyinput")).on("focusout",()=>this.container.delClass("keyinput"));const t=this.buildCodePane(),i=this.buildLibPane(),s=this.buildViewPane(),n=this.links.map(e=>{const t=this.touchUI?e.touchLabel:e.label;return t&&this.dom.el("a").attrs({href:e.href,target:e.target||""}).text(t)}).filter(e=>e);this.touchUI?(this.buildOptionsDownloads(),this.container.addClass("touch").add(this.dom.el("div").setClass("pane-hold").split([s,t],{direction:"vertical",minSize:[10,10],require:this.require,sizes:[80,20],snapOffset:20}),i.styles({display:"none",top:"100%"}),this.urlBuilder,this.dom.el("div").setClass("optbar").add(...n,this.downloadPNG.text("PNG"),this.downloadSVG.text("SVG"),this.downloadURL.text("URL")))):this.container.add(this.dom.el("div").setClass("pane-hold").split([this.dom.el("div").setClass("pane-side").split([t,i],{direction:"vertical",minSize:[100,5],require:this.require,sizes:[70,30],snapOffset:5}),s],{direction:"horizontal",minSize:[10,10],require:this.require,sizes:[30,70],snapOffset:70}),this.dom.el("div").setClass("options links").add(n),this.buildOptionsDownloads()),"undefined"!=typeof window&&window.addEventListener("keydown",e=>{27===e.keyCode&&this._hideURLBuilder()}),setTimeout(this.update.bind(this),0)}updateMinSize({width:e,height:t}){this.viewPaneInner.styles({minHeight:Math.ceil(t*this.minScale)+"px",minWidth:Math.ceil(e*this.minScale)+"px"})}redrawDebounced(e,t){t<=0?this.redraw(e):(clearTimeout(this.debounced),this.latestSeq=e,this.debounced=setTimeout(()=>this.redraw(e),t))}redraw(e){clearTimeout(this.debounced),this.debounced=null,this.renderedSeq=e,this.diagram.render(e)}markError(e){"object"==typeof e&&e.message?this.errorMsg.text(e.message):this.errorMsg.text(e),this.errorMsg.addClass("error")}markOK(){this.errorMsg.text("").delClass("error")}loadFile(e){return function(e){return new Promise(t=>{const i=new FileReader;i.addEventListener("loadend",()=>{t(i.result)},{once:!0}),i.readAsText(e)})}(e).then(e=>{const t=this.diagram.extractCodeFromSVG(e);t&&(this.code.setValue(t),this.diagram.expandAll({render:!1}),this.update(!0),this.diagram.setHighlight(null))})}update(e=!0){this._hideURLBuilder();const t=this.code.value();this.storage.set(t);let i=null;try{i=this.diagram.process(t)}catch(e){return void this.markError(e)}this.markOK();let s=0;if(!e&&this.renderedSeq){const e=this.renderedSeq;i.agents.length!==e.agents.length?s=v:i.stages.length!==e.stages.length&&(s=f)}this.redrawDebounced(i,s)}forceRender(){this.debounced&&(clearTimeout(this.debounced),this.redraw(this.latestSeq))}updatePNGLink(){return this.forceRender(),!(this.updatingPNG||!this.pngDirty||(this.pngDirty=!1,this.updatingPNG=!0,this.diagram.getPNG({resolution:b}).then(({url:e,latest:t})=>{t&&(this.downloadPNG.attr("href",e),this.updatingPNG=!1)}),0))}_showDropStyle(){this.container.addClass("drop-target")}_hideDropStyle(){this.container.delClass("drop-target")}_downloadPNGFocus(){this.updatePNGLink()}_downloadPNGClick(e){this.updatingPNG?e.preventDefault():this.updatePNGLink()&&e.preventDefault(),this._hideURLBuilder()}_downloadSVGClick(){this.forceRender();const e=this.diagram.getSVGSynchronous();this.downloadSVG.attr("href",e),this._hideURLBuilder()}_downloadURLClick(e){e.preventDefault(),this.builderVisible?this._hideURLBuilder():this._showURLBuilder()}}({defaultCode:'title Labyrinth\n\nBowie -> Goblin: You remind me of the babe\nGoblin -> Bowie: What babe?\nBowie -> Goblin: The babe with the power\nGoblin -> Bowie: What power?\nnote right of Bowie, Goblin: Most people get muddled here!\nBowie -> Goblin: "The power of voodoo"\nGoblin -> Bowie: "Who-do?"\nBowie -> Goblin: You do!\nGoblin -> Bowie: Do what?\nBowie -> Goblin: Remind me of the babe!\n\nBowie -> Audience: Sings\n\nterminators box\n',library:a,links:n,require:C,sequenceDiagram:new A,storage:new class{constructor(e,t){this.slotManager=e,this.slotStorage=t,this.slot=this.slotManager.getSlot(),this.value=this.get(),this.originalValue=this.value,this.loadTime=Date.now(),this.internalStorageListener=this.internalStorageListener.bind(this),window.addEventListener("storage",this.internalStorageListener),this.checkSlot()}getCurrentValue(){return Date.now()<this.loadTime+500?this.originalValue:this.value}key(){return this.slotStorage.getSlotKey(this.slot)}checkSlot(){const e=this.key();window.localStorage.removeItem(`chk-${e}`),window.localStorage.removeItem(`res-${e}`),window.localStorage.removeItem(`ack-${e}`),window.localStorage.setItem(`chk-${e}`,"1")}cloneSlot(){const e=this.slotManager.maxSlots(),t=this.slotStorage.nextAvailableSlot(e);if(!t)return;const i=this.getCurrentValue();this.slotStorage.set(t,i),this.slot=t,this.slotManager.setSlot(t),i!==this.value&&document.location.reload()}internalStorageListener({storageArea:e,key:t,newValue:i}){if(e!==window.localStorage)return;const s=this.key();t===s&&i!==this.value&&(null===i&&window.localStorage.setItem(s,this.value),window.localStorage.removeItem(`res-${s}`),window.localStorage.setItem(`res-${s}`,"1")),t===`chk-${s}`&&i&&window.localStorage.setItem(`res-${s}`,"1"),t===`res-${s}`&&i&&(window.localStorage.removeItem(`chk-${s}`),window.localStorage.removeItem(`res-${s}`),window.localStorage.setItem(`ack-${s}`,"1"),this.cloneSlot()),t===`ack-${s}`&&i&&(window.localStorage.removeItem(`ack-${s}`,"1"),window.localStorage.setItem(s,this.value))}set(e){this.value=e,this.slotStorage.set(this.slot,e)}get(){return this.slotStorage.get(this.slot)}remove(){this.slotStorage.remove(this.slot)}close(){window.removeEventListener("storage",this.internalStorageListener)}}(o,r),touchUI:"ontouchstart"in window}).build(window.document.body)})})}();
\ No newline at end of file
diff --git a/web/scripts/editor.mjs b/web/scripts/editor.mjs
index 66c149d..8490068 100644
--- a/web/scripts/editor.mjs
+++ b/web/scripts/editor.mjs
@@ -73,6 +73,7 @@ window.addEventListener('load', () => {
 		links.push({
 			href: element.getAttribute('href'),
 			label: element.textContent,
+			target: element.getAttribute('target'),
 			touchLabel: element.dataset.touch,
 		});
 	}
diff --git a/web/scripts/interface/Interface.mjs b/web/scripts/interface/Interface.mjs
index 8af03fa..dbde966 100644
--- a/web/scripts/interface/Interface.mjs
+++ b/web/scripts/interface/Interface.mjs
@@ -488,9 +488,12 @@ export default class Interface {
 		const libPane = this.buildLibPane();
 		const viewPane = this.buildViewPane();
 
-		const links = this.links.map((link) => this.dom.el('a')
-			.attrs({'href': link.href, 'target': '_blank'})
-			.text(this.touchUI ? link.touchLabel : link.label));
+		const links = this.links.map((link) => {
+			const label = this.touchUI ? link.touchLabel : link.label;
+			return label && this.dom.el('a')
+				.attrs({'href': link.href, 'target': link.target || ''})
+				.text(label);
+		}).filter((x) => x);
 
 		if(this.touchUI) {
 			this.buildOptionsDownloads();
diff --git a/web/scripts/slots/requestSlot.mjs b/web/scripts/slots/requestSlot.mjs
index e2d00f5..987706f 100644
--- a/web/scripts/slots/requestSlot.mjs
+++ b/web/scripts/slots/requestSlot.mjs
@@ -14,13 +14,13 @@ export default (hashNav, slotStorage) => {
 
 	const dom = new DOMWrapper(window.document);
 	const container = dom.el('div').setClass('pick-document')
-		.add(dom.el('h1').text('Available documents on this computer:'))
+		.add(dom.el('h1').text('Diagrams on this device:'))
 		.add(dom.el('p').text('(right-click to delete)'))
 		.attach(document.body);
 
 	function remove(slot) {
 		// eslint-disable-next-line no-alert
-		if(window.confirm('Delete this document?')) {
+		if(window.confirm('Delete this diagram?')) {
 			slotStorage.remove(slot);
 			window.location.reload();
 		}
@@ -38,7 +38,6 @@ export default (hashNav, slotStorage) => {
 				.attr('href', `#${slot}`)
 				.setClass('pick-document-item')
 				.add(holdInner)
-				.fastClick()
 				.on('click', (e) => {
 					e.preventDefault();
 					resolve(slot);