1 files changed, 105 insertions, 0 deletions
diff --git a/ui/app/components/list_editor/index.js b/ui/app/components/list_editor/index.js
new file mode 100644
index 0000000..58b6ec4
--- /dev/null
+++ b/ui/app/components/list_editor/index.js
@@ -0,0 +1,105 @@
+//
+// A simple list of items, with minus and plus buttons to add and remove
+// items.
+//
+
+import React from 'react'
+import {Button, ButtonGroup, ButtonToolbar, Glyphicon, FormControl} from 'react-bootstrap'
+
+import './list_editor.less'
+
+class ListEdit extends React.Component {
+
+  static get defaultProps() {return{
+    width: null,
+    items: [
+      'aaaaaaa',
+      'bbbbbbb',
+      'ccccccc'
+    ],
+    selected: null,  // string of the selected item
+    onRemove: null,
+    onAdd: null,
+    onSelect: null
+  }}
+
+  constructor(props) {
+    super(props)
+    this.click  = this.click.bind(this)
+    this.add    = this.add.bind(this)
+    this.remove = this.remove.bind(this)
+  }
+
+  row(str) {
+    return this.props.items.indexOf(str)
+  }
+
+  click(e) {
+    let row = parseInt(e.target.value)
+    if (row >= 0) {
+      if (this.props.onSelect) {
+        this.props.onSelect(this.props.items[row])
+      }
+    }
+  }
+
+  add() {
+    if (this.props.onAdd) {
+      this.props.onAdd()
+    }
+  }
+
+  remove() {
+    if (this.props.onRemove) {
+      let currentRow = this.row(this.props.selected)
+      let newSelected = null
+      if (this.props.items.length == currentRow + 1) {
+        // if we remove the last item, set the new selected to be
+        // the new last item.
+        newSelected = this.props.items[currentRow - 1]
+      } else {
+        newSelected = this.props.items[currentRow + 1]
+      }
+      this.props.onRemove(this.props.selected, newSelected)
+    }
+  }
+
+  render() {
+    let options = null
+    if (this.props.items) {
+      options = this.props.items.map((item, i) => {
+        return <option className="list-option" key={i} value={i}>{item}</option>
+      }, this)
+    }
+    return(
+      <div className="list-editor">
+        <FormControl
+          value={this.row(this.props.selected)}
+          className="list-select"
+          componentClass="select" size="5" onChange={this.click}>
+          {options}
+        </FormControl>
+        <ButtonToolbar className="pull-right list-toolbar">
+          <ButtonGroup>
+            <Button onClick={this.add}>
+              <Glyphicon glyph="plus" />
+            </Button>
+            <Button disabled={this.props.selected < 0} onClick={this.remove}>
+              <Glyphicon glyph="minus" />
+            </Button>
+          </ButtonGroup>
+        </ButtonToolbar>
+      </div>
+    )
+  }
+
+}
+
+ListEdit.propTypes = {
+  children: React.PropTypes.oneOfType([
+    React.PropTypes.element,
+    React.PropTypes.arrayOf(React.PropTypes.element)
+  ])
+}
+
+export default ListEdit