1 files changed, 34 insertions, 0 deletions
diff --git a/web-ui/app/js/page/pane_contract_expand.js b/web-ui/app/js/page/pane_contract_expand.js
new file mode 100644
index 00000000..464c78b0
--- /dev/null
+++ b/web-ui/app/js/page/pane_contract_expand.js
@@ -0,0 +1,34 @@
+'use strict';
+
+define(['flight/lib/component', 'page/events'], function (describeComponent, events) {
+
+  return describeComponent(paneContractExpand);
+
+  function paneContractExpand() {
+    this.defaultAttrs({
+      RIGHT_PANE_EXPAND_CLASSES: 'small-7 medium-7 large-7 columns',
+      RIGHT_PANE_CONTRACT_CLASSES: 'small-7 medium-4 large-4 columns',
+      MIDDLE_PANE_EXPAND_CLASSES: 'small-5 medium-8 large-8 columns no-padding',
+      MIDDLE_PANE_CONTRACT_CLASSES: 'small-5 medium-5 large-5 columns no-padding'
+    });
+
+    this.expandMiddlePaneContractRightPane = function () {
+      $('#middle-pane-container').attr('class', this.attr.MIDDLE_PANE_EXPAND_CLASSES);
+      $('#right-pane').attr('class', this.attr.RIGHT_PANE_CONTRACT_CLASSES);
+    };
+
+    this.contractMiddlePaneExpandRightPane = function () {
+      $('#middle-pane-container').attr('class', this.attr.MIDDLE_PANE_CONTRACT_CLASSES);
+      $('#right-pane').attr('class', this.attr.RIGHT_PANE_EXPAND_CLASSES);
+    };
+
+    this.after('initialize', function () {
+      this.on(document, events.ui.mail.open, this.contractMiddlePaneExpandRightPane);
+      this.on(document, events.dispatchers.rightPane.openComposeBox, this.contractMiddlePaneExpandRightPane);
+      this.on(document, events.dispatchers.rightPane.openDraft, this.contractMiddlePaneExpandRightPane);
+      this.on(document, events.dispatchers.rightPane.openNoMessageSelected, this.expandMiddlePaneContractRightPane);
+      this.expandMiddlePaneContractRightPane()
+    });
+
+  }
+});