D3 Appending Text to a SVG Rectangle

Question

I'm looking to append html onto a rectangle in D3 to give me a multiple line tooltip. The bottom part is how I'm adding a rectangle which may be part of the problem. The top is the code that should work in my world.

 newRect.().html(" <textArea font-family=Verdana font-size=20 fill=blue > Test " + "</br>" + "Test2 </textArea>"); 

Which does insert a text field into the SVG, it just doesn't display:
HTML:

<rect id="rectLabel" x="490" y="674" width="130" height="160" fill="red">     <textarea fill="blue" font-size="20" font-family="Verdana"> Test </br>Test2 </textarea> </rect> 

I have a mouse over function which runs the following:

    newRect = svg.append("rect")     .attr("x", xCor)     .attr("y", yCor)     .attr("width", 130)     .attr("height", 160)     .attr("fill", "red")     .attr("id", "rectLabel"); 

I think I should be doing this but it doesn't work. It just removes the g.node that I'm trying to append to.

    newRect = $(this).enter().append("rect")     .attr("x", xCor)     .attr("y", yCor)     .attr("width", 130)     .attr("height", 160)     .attr("fill", "red")     .attr("id", "rectLabel"); 

Question: Why doesn't my text appear? Ive tried .html, .textArea. I want a multiple line label so I don't think .text will work correct? Also, how should I be appending the rectangle?

Answer 1

A rect can't contain a text element. Instead transform a g element with the location of text and rectangle, then append both the rectangle and the text to it:

var bar = chart.selectAll("g")     .data(data)   .enter().append("g")     .attr("transform", function(d, i) { return "translate(0," + i * barHeight + ")"; });  bar.append("rect")     .attr("width", x)     .attr("height", barHeight - 1);  bar.append("text")     .attr("x", function(d) { return x(d) - 3; })     .attr("y", barHeight / 2)     .attr("dy", ".35em")     .text(function(d) { return d; }); 

http://bl.ocks.org/mbostock/7341714

Multi-line labels are also a little tricky, you might want to check out this wrap function.

Answer 2

Have you tried the SVG text element?

.append("text").text(function(d, i) { return d[whichevernode];}) 

rect element doesn't permit text element inside of it. It only allows descriptive elements (<desc>, <metadata>, <title>) and animation elements (<animate>, <animatecolor>, <animatemotion>, <animatetransform>, <mpath>, <set>)

Append the text element as a sibling and work on positioning.

UPDATE

Using g grouping, how about something like this? fiddle

You can certainly move the logic to a CSS class you can append to, remove from the group (this.parentNode)