diff --git a/js/editor.js b/js/editor.js index 902972c..a50fd06 100644 --- a/js/editor.js +++ b/js/editor.js @@ -54,44 +54,50 @@ function handleUpload(event) { function wrapSVGText(e, string) { // TODO: bold or italic text e.innerHTML = ""; // clear element - let tspan = document.createElementNS("http://www.w3.org/2000/svg", "tspan"); - e.appendChild(tspan); - let words = string.split(" "); - let line = []; - while(words.length > 0) { - let word = words.shift(); - line.push(word); - tspan.innerHTML = line.join(" "); - // horizontal overflow - // TODO: actually use units (also applies to vertical) - if (word === "\n" || - (parseFloat(e.getAttribute("width")) && - tspan.getComputedTextLength() > parseFloat(e.getAttribute("width")))) { - // if we have height, we can line wrap - if (parseFloat(e.getAttribute("height")) && - e.children.length * parseFloat(e.getAttribute('font-size')) < - parseFloat(e.getAttribute('height'))) { - words.unshift(line.pop()); - tspan.innerHTML = line.join(" "); - line = []; + let lines = string.split("\n"); + if (e.getAttribute('default-font-size')) + e.setAttribute('font-size', e.getAttribute('default-font-size')); + e.setAttribute('default-font-size', e.getAttribute('font-size')); + while (lines.length > 0) { + let words = lines.shift().split(" "); + let tspan = document.createElementNS("http://www.w3.org/2000/svg", "tspan"); + tspan.setAttribute('x', e.getAttribute('x')); + if (e.innerHTML !== "") tspan.setAttribute('dy', e.getAttribute('font-size')); + e.appendChild(tspan); + let line = []; + while(words.length > 0) { + let word = words.shift(); + if (word === "") word = " "; + line.push(word); + tspan.innerHTML = line.join(" "); + // horizontal overflow + // TODO: actually use units (also applies to vertical) + if (parseFloat(e.getAttribute("width")) && + tspan.getComputedTextLength() > parseFloat(e.getAttribute("width"))) { + // if we have height, we can line wrap + if (parseFloat(e.getAttribute("height")) && + e.children.length * parseFloat(e.getAttribute('font-size')) < + parseFloat(e.getAttribute('height'))) { + words.unshift(line.pop()); + tspan.innerHTML = line.join(" "); + line = []; - tspan = document.createElementNS("http://www.w3.org/2000/svg", "tspan"); - tspan.setAttribute('x', e.getAttribute('x')); - tspan.setAttribute('dy', e.getAttribute('font-size')); - e.appendChild(tspan); + tspan = document.createElementNS("http://www.w3.org/2000/svg", "tspan"); + tspan.setAttribute('x', e.getAttribute('x')); + tspan.setAttribute('dy', e.getAttribute('font-size')); + e.appendChild(tspan); + } + // vertical overflow or horizontal overflow with no height variable + // TODO: better with recursion instead? + else { + e.innerHTML = ""; // remove all tspans + // TODO: maybe binary search font size later if I really care + e.setAttribute('font-size', parseFloat(e.getAttribute('font-size')) * 0.9); + words = []; + lines = string.split('\n'); + console.log("resetting, size= " + e.getAttribute('font-size')); + } } - // vertical overflow or horizontal overflow with no height variable - // TODO: better with recursion instead? - else { - line = []; - e.innerHTML = ""; // remove all tspans - tspan = document.createElementNS("http://www.w3.org/2000/svg", "tspan"); - e.appendChild(tspan); - // TODO: maybe binary search font size later if I really care - e.setAttribute('font-size', parseFloat(e.getAttribute('font-size')) * 0.9); - words = string.split(" "); - console.log("resetting, size= " + e.getAttribute('font-size')); - } - } + } } }