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Add identifyLayers() to svg.draw.Drawing with tests

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git-svn-id: http://svg-edit.googlecode.com/svn/trunk@1927 eee81c28-f429-11dd-99c0-75d572ba1ddd
This commit is contained in:
Jeff Schiller
2011-01-17 04:36:54 +00:00
parent 6f9f943093
commit 8691a37376
4 changed files with 174 additions and 61 deletions
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105
test/draw_test.html
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@@ -2,7 +2,9 @@
<html>
<head>
<link rel='stylesheet' href='qunit/qunit.css' type='text/css'/>
<script src='../editor/jquery.js'></script>
<script type='text/javascript' src='../editor/jquery.js'></script>
<script type='text/javascript' src='../editor/browser.js'></script>
<script type='text/javascript' src='../editor/svgutils.js'></script>
<script type='text/javascript' src='../editor/draw.js'></script>
<script type='text/javascript' src='qunit/qunit.js'></script>
<script type='text/javascript'>
@@ -151,7 +153,7 @@
equals(doc.getNextId(), prefix+"3");
equals(doc.getId(), prefix+"3");
while(svg_n.firstChild) {svg_n.removeChild(svg.firstChild);}
while(svg_n.firstChild) {svg_n.removeChild(svg_n.firstChild);}
});
test('Test releaseId()', function() {
@@ -187,6 +189,105 @@
ok(!doc.hasLayer('invalid-layer'));
// TODO(codedread): More here once identifyLayers works.
});
test('Test identifyLayers() with empty document', function() {
expect(9);
var drawing = new svgedit.draw.Drawing(svg);
// By default, an empty document gets an empty group created.
drawing.identifyLayers();
// Check that <svg> element now has one child node
ok(drawing.getSvgElem().hasChildNodes());
equals(drawing.getSvgElem().childNodes.length, 1);
// Check that all_layers is correctly set up.
equals(drawing.getNumLayers(), 1);
var empty_layer = drawing.all_layers[0][1];
ok(empty_layer);
equals(empty_layer, drawing.getSvgElem().firstChild);
equals(empty_layer.tagName, 'g');
ok(empty_layer.hasChildNodes());
equals(empty_layer.childNodes.length, 1);
var firstChild = empty_layer.childNodes.item(0);
equals(firstChild.tagName, 'title');
while(svg.firstChild) {svg.removeChild(svg.firstChild);}
});
test('Test identifyLayers() with some layers', function() {
expect(5);
var layer1 = document.createElementNS(SVGNS, 'g');
var layer1_title = document.createElementNS(SVGNS, 'title');
layer1_title.appendChild(document.createTextNode('Layer 1'));
layer1.appendChild(layer1_title);
var layer2 = document.createElementNS(SVGNS, 'g');
var layer2_title = document.createElementNS(SVGNS, 'title');
layer2_title.appendChild(document.createTextNode('Layer 2'));
layer2.appendChild(layer2_title);
var layer3 = document.createElementNS(SVGNS, 'g');
var layer3_title = document.createElementNS(SVGNS, 'title');
layer3_title.appendChild(document.createTextNode('Layer 3'));
layer3.appendChild(layer3_title);
svg.appendChild(layer1);
svg.appendChild(layer2);
svg.appendChild(layer3);
equals(svg.childNodes.length, 3);
var drawing = new svgedit.draw.Drawing(svg);
drawing.identifyLayers();
equals(drawing.getNumLayers(), 3);
equals(drawing.all_layers[0][1], svg.childNodes.item(0));
equals(drawing.all_layers[1][1], svg.childNodes.item(1));
equals(drawing.all_layers[2][1], svg.childNodes.item(2));
while(svg.firstChild) {svg.removeChild(svg.firstChild);}
});
test('Test identifyLayers() with some layers and orphans', function() {
expect(9);
var layer1 = document.createElementNS(SVGNS, 'g');
var layer1_title = document.createElementNS(SVGNS, 'title');
layer1_title.appendChild(document.createTextNode('Layer 1'));
layer1.appendChild(layer1_title);
svg.appendChild(layer1);
var layer2 = document.createElementNS(SVGNS, 'g');
var layer2_title = document.createElementNS(SVGNS, 'title');
layer2_title.appendChild(document.createTextNode('Layer 2'));
layer2.appendChild(layer2_title);
svg.appendChild(layer2);
var orphan1 = document.createElementNS(SVGNS, 'rect');
var orphan2 = document.createElementNS(SVGNS, 'rect');
svg.appendChild(orphan1);
svg.appendChild(orphan2);
equals(svg.childNodes.length, 4);
var drawing = new svgedit.draw.Drawing(svg);
drawing.identifyLayers();
equals(drawing.getNumLayers(), 3);
equals(drawing.all_layers[0][1], svg.childNodes.item(0));
equals(drawing.all_layers[1][1], svg.childNodes.item(1));
equals(drawing.all_layers[2][1], svg.childNodes.item(2));
var layer3 = drawing.all_layers[2][1];
equals(layer3.tagName, 'g');
equals(layer3.childNodes.length, 3);
equals(layer3.childNodes.item(1), orphan1);
equals(layer3.childNodes.item(2), orphan2);
while(svg.firstChild) {svg.removeChild(svg.firstChild);}
});
});
</script>
</head>