root / ui / static / snf / js / ui / web / ui_vms_base_view.js @ 8c923194
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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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// 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.set_storage_handlers();
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this.set_handlers();
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this.vms_updated_handler();
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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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return this.sel('vm', vm.id); |
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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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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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}, |
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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.format([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 (this.vm(vm).length == 0) { |
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this.create_vm(vm);
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this.post_add(vm);
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this.vm(vm).show();
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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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}, |
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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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// do update for provided vms, then update the view layout
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update_vms: function(vms) { |
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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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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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this.post_update_vm(vm);
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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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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.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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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, "Console", {});
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}) |
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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.set_handlers();
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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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}, |
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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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try {
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// it doesn't seem to work without this
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// some serious debugging is needed to
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// find out what is going on
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this.vm = storage.vms.get(this.vm.id); |
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} catch (err) { return } |
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if (!this.vm) { return } |
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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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if (this.selected_action) { |
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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) { |
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// view shows actions on machine hover
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$(this.el).find("a").css("visibility", "hidden"); |
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} else {
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// view shows actions always
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$(this.el).find("a").css("visibility", "visible"); |
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$(this.el).show(); |
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} |
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this.view.hide_indicator(this.vm); |
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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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// 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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// initial hide
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if (this.hide) { $(this.el).hide() }; |
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// vm container hover (icon view)
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this.view.vm(this.vm).hover(function(){ |
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$(self.el).show();
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$(self.el).find("a").css("visibility", "visible"); |
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}, function() {
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if (self.hide) {
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// icon view
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if (!self.selected_action) {
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$(self.el).find("a").css("visibility", "hidden"); |
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} else {
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// single view (always visible) or icon view with
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// selected action
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$(self.el).show();
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$(self.el).find("a").css("visibility", "visible"); |
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} |
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} |
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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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// action links click events
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$(this.el).find(".action-container."+action+" a").click(function(ev) { |
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ev.preventDefault(); |
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self.set(action); |
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}).data("action", action);
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// confirms
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$(this.el).find(".action-container."+action+" button.no").click(function(ev) { |
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ev.preventDefault(); |
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self.reset(); |
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}); |
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// cancels
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$(this.el).find(".action-container."+action+" button.yes").click(function(ev) { |
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ev.preventDefault(); |
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self.vm.call(action); |
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self.reset(); |
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}); |
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}, this);
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}, |
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// reset actions
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reset: function() { |
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var prev_action = this.selected_action; |
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this.selected_action = false; |
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this.vm.clear_pending_action();
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this.trigger("change", {'action': prev_action, 'vm': this.vm, 'view': this, remove: true}); |
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this.trigger("remove", {'action': prev_action, 'vm': this.vm, 'view': this, remove: true}); |
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}, |
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// set selected action
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set: function(action_name) { |
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this.selected_action = action_name;
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this.vm.update_pending_action(this.selected_action); |
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this.view.vm(this.vm).find(".action-indicator").show().removeClass().addClass(action_name + " action-indicator"); |
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this.trigger("change", {'action': this.selected_action, 'vm': this.vm, 'view': this}); |
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}, |
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update: function() { |
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} |
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}) |
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views.VMActionsView.STATUS_ACTIONS = { |
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'reboot': ['UNKOWN', 'ACTIVE', 'REBOOT'], |
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'shutdown': ['UNKOWN', 'ACTIVE', 'REBOOT'], |
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'console': ['ACTIVE'], |
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'start': ['UNKOWN', 'STOPPED'], |
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'destroy': ['UNKOWN', 'ACTIVE', 'STOPPED', 'REBOOT', 'ERROR', 'BUILD'] |
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}; |
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// UI helpers
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var uihelpers = snf.ui.helpers = {};
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// VM Icon helpers
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//
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// identify icon
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var vm_icon = uihelpers.vm_icon = function(vm) { |
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var os = vm.get_os();
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var icons = window.os_icons;
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if (icons.indexOf(os) == -1) { |
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os = "unknown";
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} |
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return os;
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} |
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// get icon url
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var vm_icon_path = uihelpers.vm_icon_path = function(vm, size) { |
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size = size || "small";
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var icon = vm_icon(vm);
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if (vm.is_active()) {
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icon = icon + "-on";
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} else {
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icon = icon + "-off";
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} |
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return "/static/icons/machines/{0}/{1}.png".format(size, icon) |
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} |
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// get icon IMG tag
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var vm_icon_tag = uihelpers.vm_icon_tag = function (vm, size, attrs) { |
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attrs = attrs || {}; |
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return '<img src="{0}" />'.format(vm_icon_path(vm, size)); |
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} |
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snf.ui = _.extend(snf.ui, bb.Events); |
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})(this);
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