root / snf-cyclades-app / synnefo / ui / static / snf / js / ui / web / ui_vms_base_view.js @ 738a9b18
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// Copyright 2011 GRNET S.A. All rights reserved.
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//
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// Redistribution and use in source and binary forms, with or
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// without modification, are permitted provided that the following
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// conditions are met:
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//
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// 1. Redistributions of source code must retain the above
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// copyright notice, this list of conditions and the following
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// disclaimer.
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//
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// 2. Redistributions in binary form must reproduce the above
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// copyright notice, this list of conditions and the following
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// disclaimer in the documentation and/or other materials
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// provided with the distribution.
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//
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// THIS SOFTWARE IS PROVIDED BY GRNET S.A. ``AS IS'' AND ANY EXPRESS
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// OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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// WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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// PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL GRNET S.A OR
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// CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
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// USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
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// AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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// LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
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// ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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// POSSIBILITY OF SUCH DAMAGE.
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//
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// The views and conclusions contained in the software and
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// documentation are those of the authors and should not be
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// interpreted as representing official policies, either expressed
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// or implied, of GRNET S.A.
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//
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;(function(root){
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// root
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var root = root;
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// setup namepsaces
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var snf = root.synnefo = root.synnefo || {};
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var models = snf.models = snf.models || {}
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var storage = snf.storage = snf.storage || {};
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var ui = snf.ui = snf.ui || {};
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var views = snf.views = snf.views || {}
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// shortcuts
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var bb = root.Backbone;
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// logging
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var logger = new snf.logging.logger("SNF-VIEWS"); |
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var debug = _.bind(logger.debug, logger);
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var hasKey = Object.prototype.hasOwnProperty;
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// base class for views that contain/handle VMS
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views.VMListView = views.View.extend({ |
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// just a flag to identify that
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// views of this type handle vms
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vms_view: true, |
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selectors: {},
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hide_actions: true, |
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pane: "#machines-pane", |
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metadata_view: undefined, |
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initialize: function() { |
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views.VMListView.__super__.initialize.call(this);
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this._vm_els = {};
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this.set_storage_handlers();
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this.set_handlers();
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this.vms_updated_handler();
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this.connect_overlay = new views.VMConnectView(); |
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}, |
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// Helpers
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//
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// get element based on this.selectors key/value pairs
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sel: function(id, params) { |
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if (!this.selectors[id]){ return }; |
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return $(this.selectors[id].format(params)); |
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}, |
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// vm element based on vm model instance provided
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vm: function(vm) { |
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if (hasKey.call(this._vm_els, vm.id)) { |
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ret = this._vm_els[vm.id];
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} else {
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return $([]); |
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} |
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return ret;
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}, |
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// get vm model instance from DOM element
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vm_for_element: function(el) { |
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return storage.vms.sel(this.vm_id_for_element(el)); |
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}, |
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// Event binding and stuff like that
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//
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set_storage_handlers: function() { |
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storage.vms.bind("add", _.bind(this.vms_updated_handler, this, "add")); |
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storage.vms.bind("change", _.bind(this.vms_updated_handler, this, "change")); |
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storage.vms.bind("reset", _.bind(this.vms_updated_handler, this, "reset")); |
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storage.vms.bind("remove", _.bind(this.vms_updated_handler, this, "remove")); |
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}, |
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// vms updated triggered, update view vms
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vms_updated_handler: function (method, model, arg2, arg3) { |
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var updated = storage.vms.models;
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if (method == "add") { updated = [model] }; |
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if (method == "change") { updated = [model] }; |
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if (method == "remove") { updated = [model] }; |
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if (method == "remove") { |
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this.remove_vm(model)
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return;
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} |
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this.update_vms(updated);
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}, |
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// create vm
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// append it on proper view container
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create_vm: function(vm) { |
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// create dom element
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var vm_view = this.create_vm_element(vm); |
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vm_view.find(".vm-actions").attr("id", this.view_id+"-actions-" + vm.id); |
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this._vm_els[vm.id] = vm_view;
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var container = this.get_vm_container(vm); |
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container.append(vm_view); |
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vm_view.find(".action-indicator").text(""); |
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if (this.visible()) { |
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container.show() |
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} |
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// initialize vm specific event handlers
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this.__set_vm_handlers(vm);
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return vm_view;
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}, |
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// create vm dom element
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create_vm_element: function(vm) { |
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// clone template
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return this.sel('tpl').clone().attr("id", this.id_tpl + vm.id) |
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}, |
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// get proper vm container
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get_vm_container: function(vm) { |
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if (vm.is_active()) {
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return this.sel("vm_cont_active"); |
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} else {
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return this.sel("vm_cont_terminated"); |
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} |
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}, |
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// create and append inside the proper container the vm model
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// if it doesn't exist update vm data and make it visible
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add: function(vm) { |
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// create if it does not exist
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if (!hasKey.call(this._vm_els, vm.id)) { |
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var el = this.create_vm(vm); |
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el.show(); |
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this.post_add(vm);
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} |
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return this.vm(vm); |
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}, |
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// helpers for VMListView descendants
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post_add: function(vm) { throw "Not implemented" }, |
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set_vm_handlers: function(vm) { throw "Not implemented" }, |
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set_handlers: function() { throw "Not implemented" }, |
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update_layout: function() { throw "Not implemented" }, |
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post_update_vm: function(vm) { throw "Not implemented" }, |
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update_details: function(vm) {}, |
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// remove vm
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remove_vm: function(vm) { |
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// FIXME: some kind of transiton ??? effect maybe ???
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this.vm(vm).remove();
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this.post_remove_vm(vm);
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if (hasKey.call(this._vm_els, vm.id)) { |
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delete this._vm_els[vm.id]; |
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} |
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}, |
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// remove all vms from view
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clear: function() { |
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this.sel('vms').remove(); |
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this.__update_layout();
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}, |
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show: function() { |
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views.VMListView.__super__.show.apply(this, arguments); |
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if (storage.vms.length == 0) { this.hide() }; |
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if (!snf.config.update_hidden_views) {
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this.update_vms(storage.vms.models);
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} |
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}, |
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// do update for provided vms, then update the view layout
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update_vms: function(vms) { |
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if (!this.visible() && !snf.config.update_hidden_views) { return }; |
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_.each(vms, _.bind(function(vm){
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// vm will be removed
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// no need to update
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if (vm.get("status") == "DELETED") { |
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return;
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} |
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// this won't add it additional times
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this.add(vm);
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this.update_vm(vm);
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}, this))
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// update view stuff
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this.__update_layout();
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}, |
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// update ui for the given vm
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update_vm: function(vm) { |
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// do not update deleted state vms
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if (!vm || vm.get("status") == 'DELETED') { return }; |
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this.check_vm_container(vm);
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this.update_details(vm);
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this.update_transition_state(vm);
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if (this.action_views) { |
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this.action_views[vm.id].update();
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this.action_views[vm.id].update_layout();
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} |
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try {
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this.post_update_vm(vm);
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} catch (err) {};
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}, |
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// check if vm is placed properly within the view
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// container (e.g. some views might have different
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// containers for terminated or running machines
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check_vm_container: function(vm){ |
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if (vm.state() == "DESTROY") { return }; |
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var el = this.vm(vm); |
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if (!el.length) { return }; |
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var self = this; |
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var selector = vm.is_active() ? 'vm_cont_active' : 'vm_cont_terminated'; |
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if (el.parent()[0] != this.sel(selector)[0]) { |
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var cont = this.sel(selector); |
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var self = this; |
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el.hide().appendTo(cont).fadeIn(300);
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$(window).trigger('resize'); |
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//el.fadeOut(200, function() {
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//el.appendTo(cont);
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//el.fadeIn(200);
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//self.sel(selector).show(function(){
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//$(window).trigger("resize");
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//});
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//});
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} |
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}, |
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__update_layout: function() { |
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this.update_layout();
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}, |
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// append handlers for vm specific events
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__set_vm_handlers: function(vm) { |
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// show transition on vm status transit
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vm.bind('transition', _.bind(function(){this.show_transition(vm)}, this)); |
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this.set_vm_handlers(vm);
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}, |
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// is vm in transition ??? show the progress spinner
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update_transition_state: function(vm) { |
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if (vm.in_transition() && !vm.pending_action){
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this.sel('vm_spinner', vm.id).show(); |
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} else {
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this.sel('vm_spinner', vm.id).hide(); |
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} |
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}, |
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show_indicator: function(vm, action) { |
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var action = action || vm.pending_action;
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this.sel('vm_wave', vm.id).hide(); |
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this.sel('vm_spinner', vm.id).hide(); |
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this.vm(vm).find(".action-indicator").removeClass().addClass(action + " action-indicator").show(); |
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}, |
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hide_indicator: function(vm) { |
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this.vm(vm).find(".action-indicator").removeClass().addClass("action-indicator").hide(); |
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this.update_transition_state(vm);
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}, |
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// display transition animations
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show_transition: function(vm) { |
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var wave = this.sel('vm_wave', vm.id); |
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if (!wave || !wave.length) { return } |
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var src = wave.attr('src'); |
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// change src to force gif play from the first frame
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// animate for 500 ms then hide
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wave.attr('src', "").show(); |
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wave.attr('src', src).fadeIn(200).delay(700).fadeOut(300, function() { |
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wave.hide(); |
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}); |
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}, |
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connect_to_console: function(vm) { |
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// It seems that Safari allows popup windows only if the window.open
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// call is made within an html element click event context.
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// Otherwise its behaviour is based on "Block Pop-Up Windows"
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// setting, which when enabled no notification appears for the user.
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// Since there is no easy way to check for the setting value we use
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// async:false for the action call so that action success handler
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// which opens the new window is called inside the click event
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// context.
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var use_async = true; |
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if ($.client.browser == "Safari") { |
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use_async = false;
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} |
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vm.call("console", function(console_data) { |
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var url = vm.get_console_url(console_data);
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snf.util.open_window(url, "VM_" + vm.get("id") + "_CONSOLE", {}); |
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}, undefined, {async: use_async}); |
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} |
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}); |
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// empty message view (just a wrapper to the element containing
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// the empty information message)
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views.EmptyView = views.View.extend({ |
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el: '#emptymachineslist' |
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}) |
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views.VMActionsView = views.View.extend({ |
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initialize: function(vm, parent, el, hide) { |
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this.hide = hide || false; |
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this.view = parent;
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this.vm = vm;
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this.vm_el = el;
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this.el = $("#" + parent.view_id + "-actions-" + vm.id); |
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this.all_action_names = _.keys(views.VMActionsView.STATUS_ACTIONS);
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// state params
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this.selected_action = false; |
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_.bindAll(this);
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window.acts = this;
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this.view_id = "vm_" + vm.id + "_actions"; |
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views.VMActionsView.__super__.initialize.call(this);
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this.hovered = false; |
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this.set_hover_handlers();
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}, |
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action: function(name) { |
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return $(this.el).find(".action-container." + name); |
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}, |
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action_link: function(name) { |
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return this.action(name).find("a"); |
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}, |
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action_confirm_cont: function(name) { |
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return this.action_confirm(name).parent(); |
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}, |
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action_confirm: function(name) { |
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return this.action(name).find("button.yes"); |
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}, |
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action_cancel: function(name) { |
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return this.action(name).find("button.no"); |
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}, |
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hide_actions: function() { |
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$(this.el).find("a").css("visibility", "hidden"); |
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}, |
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// update the actions layout, depending on the selected actions
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update_layout: function() { |
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if (!this.vm_handlers_initialized) { |
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this.vm = storage.vms.get(this.vm.id); |
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this.init_vm_handlers();
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} |
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if (!this.vm) { return } |
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if (!this.hovered && !this.vm.has_pending_action() && this.hide && !this.vm.action_error) { |
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this.el.hide();
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this.view.hide_indicator(this.vm); |
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return
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}; |
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if (!this.el.is(":visible") && !this.hide) { return }; |
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if (!this.handlers_initialized) { this.set_handlers(); } |
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// update selected action
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if (this.vm.pending_action) { |
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this.selected_action = this.vm.pending_action; |
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} else {
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this.selected_action = false; |
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} |
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// vm actions tha can be performed
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var actions = this.vm.get_available_actions(); |
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// had pending action but actions changed and now selected action is
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// not available, hide it from user
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if (this.selected_action && actions.indexOf(this.selected_action) == -1) { |
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this.reset();
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} |
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this.el.show();
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if ((this.selected_action || this.hovered) && !this.vm.action_error) { |
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// show selected action
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$(this.el).show(); |
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$(this.el).find("a").css("visibility", "visible"); |
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// show action icon
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this.view.show_indicator(this.vm); |
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} else {
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if (this.hide || this.vm.action_error) { |
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// view shows actions on machine hover
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$(this.el).find("a").css("visibility", "hidden"); |
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} else {
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if (!this.vm.action_error) { |
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// view shows actions always
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$(this.el).find("a").css("visibility", "visible"); |
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$(this.el).show(); |
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} |
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} |
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this.view.hide_indicator(this.vm); |
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} |
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|
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// update action link styles and shit
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_.each(models.VM.ACTIONS, function(action, index) {
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if (actions.indexOf(action) > -1) { |
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this.action(action).removeClass("disabled"); |
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if (this.selected_action == action) { |
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this.action_confirm_cont(action).css('display', 'block'); |
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this.action_confirm(action).show();
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this.action(action).removeClass("disabled"); |
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this.action_link(action).addClass("selected"); |
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} else {
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this.action_confirm_cont(action).hide();
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this.action_confirm(action).hide();
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this.action_link(action).removeClass("selected"); |
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} |
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} else {
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this.action().hide();
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this.action(action).addClass("disabled"); |
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this.action_confirm(action).hide();
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} |
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}, this);
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}, |
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init_vm_handlers: function() { |
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try {
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this.vm.unbind("action:fail", this.update_layout) |
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this.vm.unbind("action:fail:reset", this.update_layout) |
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} catch (err) { console.log("Error")}; |
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this.vm.bind("action:fail", this.update_layout) |
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this.vm.bind("action:fail:reset", this.update_layout) |
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this.vm_handlers_initialized = true; |
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}, |
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set_hover_handlers: function() { |
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// vm container hover (icon view)
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this.view.vm(this.vm).hover(_.bind(function() { |
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this.hovered = true; |
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this.update_layout();
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|
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}, this), _.bind(function() { |
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this.hovered = false; |
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this.update_layout();
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}, this));
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}, |
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|
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// bind event handlers
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set_handlers: function() { |
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var self = this; |
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var vm = this.vm; |
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|
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// initial hide
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if (this.hide) { $(this.el).hide() }; |
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|
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// action links events
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_.each(models.VM.ACTIONS, function(action) {
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var action = action;
|
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// indicator hovers
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this.view.vm(this.vm).find(".action-container."+action+" a").hover(function() { |
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self.view.show_indicator(self.vm, action); |
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}, function() {
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// clear or show selected action indicator
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if (self.vm.pending_action) {
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self.view.show_indicator(self.vm); |
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} else {
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self.view.hide_indicator(self.vm); |
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} |
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}) |
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|
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// action links click events
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$(this.el).find(".action-container."+action+" a").click(function(ev) { |
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ev.preventDefault(); |
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self.set(action); |
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}).data("action", action);
|
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|
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// confirms
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$(this.el).find(".action-container."+action+" button.no").click(function(ev) { |
527 |
ev.preventDefault(); |
528 |
self.reset(); |
529 |
}); |
530 |
|
531 |
// cancels
|
532 |
$(this.el).find(".action-container."+action+" button.yes").click(function(ev) { |
533 |
ev.preventDefault(); |
534 |
// override console
|
535 |
// ui needs to act (open the console window)
|
536 |
if (action == "console") { |
537 |
self.view.connect_to_console(self.vm); |
538 |
} else {
|
539 |
self.vm.call(action); |
540 |
} |
541 |
self.reset(); |
542 |
}); |
543 |
}, this);
|
544 |
|
545 |
this.handlers_initialized = true; |
546 |
}, |
547 |
|
548 |
// reset actions
|
549 |
reset: function() { |
550 |
var prev_action = this.selected_action; |
551 |
this.selected_action = false; |
552 |
this.vm.clear_pending_action();
|
553 |
this.trigger("change", {'action': prev_action, 'vm': this.vm, 'view': this, remove: true}); |
554 |
this.trigger("remove", {'action': prev_action, 'vm': this.vm, 'view': this, remove: true}); |
555 |
}, |
556 |
|
557 |
// set selected action
|
558 |
set: function(action_name) { |
559 |
this.selected_action = action_name;
|
560 |
this.vm.update_pending_action(this.selected_action); |
561 |
this.view.vm(this.vm).find(".action-indicator").show().removeClass().addClass(action_name + " action-indicator"); |
562 |
this.trigger("change", {'action': this.selected_action, 'vm': this.vm, 'view': this}); |
563 |
}, |
564 |
|
565 |
update: function() { |
566 |
} |
567 |
}) |
568 |
|
569 |
|
570 |
views.VMActionsView.STATUS_ACTIONS = { |
571 |
'reboot': ['UNKOWN', 'ACTIVE', 'REBOOT'], |
572 |
'shutdown': ['UNKOWN', 'ACTIVE', 'REBOOT'], |
573 |
'console': ['ACTIVE'], |
574 |
'start': ['UNKOWN', 'STOPPED'], |
575 |
'destroy': ['UNKOWN', 'ACTIVE', 'STOPPED', 'REBOOT', 'ERROR', 'BUILD'] |
576 |
}; |
577 |
|
578 |
// UI helpers
|
579 |
var uihelpers = snf.ui.helpers = {};
|
580 |
|
581 |
// OS icon helpers
|
582 |
var os_icon = uihelpers.os_icon = function(os) { |
583 |
var icons = window.os_icons;
|
584 |
if (!icons) { return "okeanos" } |
585 |
if (icons.indexOf(os) == -1) { |
586 |
os = "okeanos";
|
587 |
} |
588 |
return os;
|
589 |
} |
590 |
|
591 |
var os_icon_path = uihelpers.os_icon_path = function(os, size, active) { |
592 |
size = size || "small";
|
593 |
if (active == undefined) { active = true }; |
594 |
|
595 |
var icon = os_icon(os);
|
596 |
if (active) {
|
597 |
icon = icon + "-on";
|
598 |
} else {
|
599 |
icon = icon + "-off";
|
600 |
} |
601 |
|
602 |
return (snf.config.machines_icons_url + "{0}/{1}.png").format(size, icon) |
603 |
} |
604 |
|
605 |
var os_icon_tag = uihelpers.os_icon_tag = function (os, size, active, attrs) { |
606 |
attrs = attrs || {}; |
607 |
return '<img src="{0}" />'.format(os_icon_path(os, size, active)); |
608 |
} |
609 |
|
610 |
// VM Icon helpers
|
611 |
//
|
612 |
// identify icon
|
613 |
var vm_icon = uihelpers.vm_icon = function(vm) { |
614 |
return os_icon(vm.get_os());
|
615 |
} |
616 |
|
617 |
// get icon url
|
618 |
var vm_icon_path = uihelpers.vm_icon_path = function(vm, size) { |
619 |
return os_icon_path(vm.get_os(), size, vm.is_active());
|
620 |
} |
621 |
|
622 |
// get icon IMG tag
|
623 |
var vm_icon_tag = uihelpers.vm_icon_tag = function (vm, size, attrs) { |
624 |
return os_icon_tag(vm.get_os(), size, vm.is_active(), attrs);
|
625 |
} |
626 |
|
627 |
|
628 |
snf.ui = _.extend(snf.ui, bb.Events); |
629 |
snf.ui.trigger_error = function(code, msg, error, extra) { |
630 |
snf.ui.trigger("error", { code:code, msg:msg, error:error, extra:extra || {} }) |
631 |
}; |
632 |
|
633 |
})(this);
|