renamed `Doc` to `Svg` according to (#932)

1 files changed, 78 insertions, 0 deletions

diff --git a/src/elements/Svg.js b/src/elements/Svg.js
new file mode 100644
index 0000000..e634c6a
--- /dev/null
+++ b/src/elements/Svg.js
@@ -0,0 +1,78 @@
+import {
+  adopt,
+  nodeOrNew,
+  register,
+  wrapWithAttrCheck
+} from '../utils/adopter.js'
+import { ns, svgjs, xlink, xmlns } from '../modules/core/namespaces.js'
+import { registerMethods } from '../utils/methods.js'
+import Container from './Container.js'
+import Defs from './Defs.js'
+import { globals } from '../utils/window.js'
+
+export default class Svg extends Container {
+  constructor (node) {
+    super(nodeOrNew('svg', node), node)
+    this.namespace()
+  }
+
+  isRoot () {
+    return !this.node.parentNode ||
+      !(this.node.parentNode instanceof globals.window.SVGElement) ||
+      this.node.parentNode.nodeName === '#document'
+  }
+
+  // Check if this is a root svg
+  // If not, call docs from this element
+  doc () {
+    if (this.isRoot()) return this
+    return super.doc()
+  }
+
+  // Add namespaces
+  namespace () {
+    if (!this.isRoot()) return this.doc().namespace()
+    return this
+      .attr({ xmlns: ns, version: '1.1' })
+      .attr('xmlns:xlink', xlink, xmlns)
+      .attr('xmlns:svgjs', svgjs, xmlns)
+  }
+
+  // Creates and returns defs element
+  defs () {
+    if (!this.isRoot()) return this.doc().defs()
+
+    return adopt(this.node.getElementsByTagName('defs')[0]) ||
+      this.put(new Defs())
+  }
+
+  // custom parent method
+  parent (type) {
+    if (this.isRoot()) {
+      return this.node.parentNode.nodeName === '#document'
+        ? null
+        : adopt(this.node.parentNode)
+    }
+
+    return super.parent(type)
+  }
+
+  clear () {
+    // remove children
+    while (this.node.hasChildNodes()) {
+      this.node.removeChild(this.node.lastChild)
+    }
+    return this
+  }
+}
+
+registerMethods({
+  Container: {
+    // Create nested svg document
+    nested: wrapWithAttrCheck(function () {
+      return this.put(new Svg())
+    })
+  }
+})
+
+register(Svg, 'Svg', true)