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Morph from 'src/components/widgets/lively-morph.js';\nimport {pt} from 'src/client/graphics.js'\n\nexport default class LivelyPresentation extends Morph {\n \n async initialize() {\n this.registerButtons();\n lively.html.registerKeys(this);\n \n lively.html.addChooseList(this.get(\"#gotoButton\"), () => {\n return this.slides().map((ea, index) => {\n var h = ea.querySelector(\"h1,h2,h3,h4\") \n var item = {\n toString: () => \"Slide \" + index + \": \" + (h ? h.textContent : \"\"),\n style: \"color: black\",\n target: ea,\n }\n return item\n })\n }, (evt, item) => {\n this.setSlide(item.target)\n })\n }\n\n onLeftDown(evt) {\n this.prevSlide() \n evt.preventDefault() \n evt.stopPropagation() \n }\n \n onRightDown(evt) {\n this.nextSlide()\n evt.preventDefault() \n evt.stopPropagation() \n }\n \n onPrintButton() {\n this.print()\n }\n \n onPrevButton() {\n this.prevSlide() \n }\n \n onNextButton() {\n this.nextSlide() \n }\n\n \n onGotoButton() {\n// lively.notify(\"goto\")\n }\n \n onFullscreenButton() {\n this.toggleFullscreen()\n }\n\n async toggleFullscreen() {\n var container = lively.query(this, \"lively-container\")\n var presentation = this;\n var slide = this.slide\n presentation.fullscreen = !presentation.fullscreen\n if (presentation.fullscreen) { \n \n \n var parents = lively.allParents(this, [], true)\n // hide all windows\n document.body.querySelectorAll(\"lively-window\").forEach(ea => {\n if (!parents.includes(ea)) {\n ea.style.display = \"none\"\n }\n })\n \n document.documentElement.webkitRequestFullScreen(Element.ALLOW_KEYBOARD_INPUT)\n await lively.sleep(100) // wait for fullscreen\n\n if (container && !container.isFullscreen()) {\n // container.hideNavbar()\n container.onFullscreen()\n }\n var slideBounds = slide.getBoundingClientRect()\n \n var scaleX = (window.innerWidth - 10)/ slideBounds.width\n var scaleY = (window.innerHeight - 10)/ slideBounds.height\n var minScale = Math.min(scaleY, scaleX)\n lively.setPosition( presentation, pt(0,0))\n presentation.style.transformOrigin = \"0px 0px\"\n presentation.style.transform = `scale(${minScale * 1})`\n\n await lively.sleep(10) // wait for rendering\n var scaledBounds = slide.getBoundingClientRect();\n lively.setPosition(presentation, \n pt((window.innerWidth - scaledBounds.width) / 2,\n ((window.innerHeight - scaledBounds.height) / 2)) )\n\n container.style.backgroundColor = \"black\"\n } else {\n \n // unhide windows again\n document.body.querySelectorAll(\"lively-window\").forEach(ea => {\n ea.style.display = \"\"\n })\n document.webkitCancelFullScreen()\n if (container && container.isFullscreen()) {\n container.onFullscreen()\n // container.showNavbar()\n }\n presentation.style.transform = \"\"\n lively.setPosition(presentation, pt(0,0))\n container.style.backgroundColor = \"\"\n \n if (container) {\n container.parentElement.focus() \n }\n }\n }\n \n newSlide() {\n this.slide = document.createElement(\"div\")\n this.slide.classList.add(\"lively-slide\")\n this.appendChild(this.slide)\n }\n \n convertSiblings() {\n var content = this.parentElement \n if (!content) return;\n this.newSlide()\n Array.from(content.childNodes).forEach(ea => {\n if (ea.tagName == \"LIVELY-PRESENTATION\") return;\n if (ea.classList && ea.classList.contains(\"lively-slide\")) return;\n if (ea.tagName === \"HR\") {\n this.newSlide() \n ea.remove()\n } else {\n this.slide.appendChild(ea)\n }\n })\n this.loaded\n }\n\n gotoSlideAt(n) {\n var slides = this.slides()\n if (n < 0) {\n n = slides.length - 1\n }\n this.setSlide(slides[n])\n }\n \n currentSlideNumber() {\n return this.slides().indexOf(this.slide)\n }\n \n updateContainerURLForSlideNumber(nextSlideNumber) {\n var container = lively.query(this, \"lively-container\")\n if (container) {\n var baseURL = container.getURL().toString().replace(/\\#.*/,\"\")\n var nextURL = baseURL + \"#@\" +nextSlideNumber\n container.setPathAttributeAndInput(nextURL)\n container.history().push(nextURL);\n }\n }\n \n nextSlide() {\n var nextSlideNumber = this.currentSlideNumber() + 1\n this.updateContainerURLForSlideNumber(nextSlideNumber)\n this.gotoSlideAt(nextSlideNumber)\n }\n\n prevSlide() {\n var nextSlideNumber = this.currentSlideNumber() - 1\n this.updateContainerURLForSlideNumber(nextSlideNumber)\n this.gotoSlideAt(nextSlideNumber)\n }\n \n slides() {\n return Array.from(this.querySelectorAll(\".lively-slide\"))\n }\n \n start() {\n this.setSlide(this.slides()[0])\n }\n \n setSlide(slide) {\n var all = this.slides()\n all.forEach(ea => ea.style.display = \"none\")\n if (slide) {\n slide.style.display = \"block\" \n }\n this.slide = slide\n if (this.slide) {\n // #Hack, #TODO move it into drawio\n this.slide.querySelectorAll(\"lively-drawio\").forEach(ea => ea.update()) \n this.updatePageNumber()\n }\n }\n \n showAllSlides() {\n var i=1;\n this.slides().forEach(ea => {\n ea.style.display = \"block\"\n lively.setPosition(ea, pt(0,0), \"relative\") \n var pageNumber = ea.querySelector(\".page-number\")\n if (pageNumber) pageNumber.textContent = i++\n })\n }\n \n async print() {\n var currentSlideNumber = this.currentSlideNumber() \n this.showAllSlides()\n\n window.oldBody = Array.from(document.body.childNodes)\n var bodyCSS = document.body.style.cssText\n\n try {\n // give lively-scripts id's so, we can rescue the content...\n var printId = 0\n var originals = new Map()\n this.querySelectorAll(\"lively-script\").forEach(ea => {\n var id = \"\" + printId++\n originals.set(id, ea)\n ea.setAttribute(\"print-id\", id)\n })\n\n document.body.innerHTML = this.innerHTML\n .replace(/ {\n var id = ea.getAttribute(\"print-id\")\n var original = originals.get(id, ea)\n if (original) {\n var replacement =
hello
\n replacement.attachShadow({mode: 'open'})\n replacement.shadowRoot.innerHTML = original.get(\"#result\").innerHTML\n ea.parentElement.replaceChild(replacement, ea)\n }\n })\n\n document.body.style = \"\"\n\n await lively.sleep(1000)\n\n window.print()\n\n // await lively.sleep(1000) \n // await lively.confirm(\"finished printing?\")\n } finally {\n // I'll be back\n document.body.innerHTML = \"\" // tabula raza\n document.body.style = bodyCSS\n window.oldBody.forEach(ea => document.body.appendChild(ea))\n this.gotoSlideAt(currentSlideNumber) \n }\n } \n \n updatePageNumber() {\n if (!this.slide) return;\n var pageNumber = this.slide.querySelector(\".page-number\")\n if (pageNumber) pageNumber.textContent = this.currentSlideNumber()\n }\n \n static async config(ctx, config={}) {\n await lively.sleep(500)\n var presentation = lively.query(ctx, \"lively-presentation\")\n if (presentation && presentation.slides) {\n presentation.slides().forEach(ea => {\n if(config.logo) {\n var img = document.createElement(\"img\")\n img.classList.add(\"logo\")\n img.src=config.logo \n img.setAttribute(\"width\", \"50px\")\n ea.appendChild(img) \n }\n if (config.pageNumbers) {\n var div = document.createElement(\"div\")\n div.classList.add(\"page-number\")\n ea.appendChild(div) \n }\n });\n }\n }\n}"]}