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Try to map terms into DOM.

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This commit is contained in:
Rob Rix 2015-10-23 19:24:13 -04:00
parent 7bff777b07
commit fe2915a427
1 changed files with 48 additions and 24 deletions
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72
prototype/UI/index.html
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@ -80,33 +80,57 @@
return this;
}
/// Range -> Syntax a -> String, (a -> DOM) -> DOM
function rangeAndSyntaxToDOM(range, syntax, source, recur) {
var element;
if (syntax.leaf != null) {
element = document.createElement("span");
element.textContent = source.substr(range[0], range[1]);
} else if (syntax.indexed != null) {
element = document.createElement("ul");
var previous = range[0];
for (i in syntax.indexed) {
var child = syntax.indexed[i];
element.appendChild(document.createTextNode(source.substr(previous, child.range[0] - previous)));
element.appendChild(wrap("li", recur(child)));
previous = child.range[0] + child.range[1];
}
element.appendChild(document.createTextNode(source.substr(previous, range[0] + range[1] - previous)));
} else if (syntax.keyed != null) {
element = document.createElement("dl");
var values = [];
for (k in syntax.keyed.values) {
values.push([ k, syntax.keyed.values[k] ]);
}
values.sort(function(a, b) {
if (a[1].range[0] < b[1].range[0]) {
return -1;
} else if (a[1].range[0] > b[1].range[0]) {
return 1;
}
return 0;
});
var previous = range[0];
for (i in values) {
var pair = values[i];
var key = pair[0];
var child = pair[1];
element.appendChild(document.createTextNode(source.substr(previous, child.range[0] - previous)));
element.appendChild(wrap("dt", document.createTextNode(key)));
element.appendChild(wrap("dd", recur(child)));
previous = child.range[0] + child.range[1];
}
element.appendChild(document.createTextNode(source.substr(previous, range[0] + range[1] - previous)));
}
return element;
}
function toDOM(model, stateName, source) {
var element;
if (model instanceof Delete) {
element = document.createElement("div");
element.classList.add("patch");
element.classList.add("delete");
element.appendChild(toDOM(model.before));
}
if (model instanceof Insert) {
element = document.createElement("div");
element.classList.add("patch");
element.classList.add("insert");
element.appendChild(toDOM(model.after));
}
if (model instanceof Replace) {
element = document.createElement("div");
element.classList.add("patch");
element.classList.add("replace");
var before = toDOM(model.before);
before.classList.add("delete");
element.appendChild(before);
var after = toDOM(model.after);
after.classList.add("insert");
element.appendChild(after);
if (model instanceof Term) {
element = rangeAndSyntaxToDOM(model.range, model.unwrap, source, function(child) { return toDOM(child, stateName, source); });
}
if (model instanceof Diff) {