A few fixes to make the App Catalog plugin work.

This fixes passing params to stack and image creation form dialogs.
It also fixes a bug with nested dialogs.

Partial-Bug: 1481518
Change-Id: Ie6965ad7c8a738f8b88927077884bba621f2eb6b

horizon/static/horizon/js/horizon.modals.js

@@ -42,8 +42,11 @@ horizon.modals.create = function (title, body, confirm, cancel) {
 
 horizon.modals.success = function (data) {
   var modal;
-  $('#modal_wrapper').append(data);
-  modal = $('.modal:last');
+  var modal_wrapper = $('#modal_wrapper');
+  // Moves the modal_wrapper to the bottom. This shows it over other dialogs.
+  modal_wrapper.parent().append(modal_wrapper);
+  modal_wrapper.append(data);
+  modal = $('#modal_wrapper > .modal:last');
   modal.modal();
   $(modal).trigger("new_modal", modal);
   return modal;

openstack_dashboard/dashboards/project/images/images/views.py

@@ -49,6 +49,23 @@ class CreateView(forms.ModalFormView):
     success_url = reverse_lazy("horizon:project:images:index")
     page_title = _("Create An Image")
 
+    def get_initial(self):
+        initial = {}
+        for name in [
+            'name',
+            'description',
+            'image_url',
+            'source_type',
+            'architecture',
+            'disk_format',
+            'minimum_disk',
+            'minimum_ram'
+        ]:
+            tmp = self.request.GET.get(name)
+            if tmp:
+                initial[name] = tmp
+        return initial
+
 
 class UpdateView(forms.ModalFormView):
     form_class = project_forms.UpdateImageForm

openstack_dashboard/dashboards/project/stacks/views.py

@@ -95,6 +95,17 @@ class SelectTemplateView(forms.ModalFormView):
     success_url = reverse_lazy('horizon:project:stacks:launch')
     page_title = _("Select Template")
 
+    def get_initial(self):
+        initial = {}
+        for name in [
+            'template_url',
+            'template_source'
+        ]:
+            tmp = self.request.GET.get(name)
+            if tmp:
+                initial[name] = tmp
+        return initial
+
     def get_form_kwargs(self):
         kwargs = super(SelectTemplateView, self).get_form_kwargs()
         kwargs['next_view'] = CreateStackView

openstack_dashboard/static/app/tech-debt/image-form.controller.js

@@ -18,9 +18,12 @@
     .module('horizon.app.tech-debt')
     .controller('ImageFormController', ImageFormController);
 
-  function ImageFormController() {
-    var ctrl = this;
+  ImageFormController.$inject = ['$element'];
 
+  function ImageFormController($element) {
+    var ctrl = this;
+    ctrl.copyFrom = $element('.image_url').val();
+    ctrl.diskFormat = $element('.disk_format').val();
     ctrl.selectImageFormat = function (path) {
       if (!path) { return; }
       var format = path.substr(path.lastIndexOf(".") + 1)