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1 | package Reaction::UI::Controller; |
2 | |
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3 | use base qw( |
4 | Catalyst::Controller |
5 | Catalyst::Component::ACCEPT_CONTEXT |
6 | Reaction::Object |
7 | ); |
8 | |
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9 | use Reaction::Class; |
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10 | use Scalar::Util 'weaken'; |
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11 | use namespace::clean -except => [ qw(meta) ]; |
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12 | |
13 | sub push_viewport { |
14 | my $self = shift; |
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15 | my $c = $self->context; |
16 | my $focus_stack = $c->stash->{focus_stack}; |
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17 | my ($class, @proto_args) = @_; |
18 | my %args; |
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19 | if (my $vp_attr = $c->stack->[-1]->attributes->{ViewPort}) { |
20 | if (ref($vp_attr) eq 'ARRAY') { |
21 | $vp_attr = $vp_attr->[0]; |
22 | } |
23 | if (ref($vp_attr) eq 'HASH') { |
24 | if (my $conf_class = delete $vp_attr->{class}) { |
25 | $class = $conf_class; |
26 | } |
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27 | %args = %{ $self->merge_config_hashes($vp_attr, {@proto_args}) }; |
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28 | } else { |
29 | $class = $vp_attr; |
30 | %args = @proto_args; |
31 | } |
32 | } else { |
33 | %args = @proto_args; |
34 | } |
35 | |
36 | $args{ctx} = $c; |
37 | |
38 | if (exists $args{next_action} && !ref($args{next_action})) { |
39 | $args{next_action} = [ $self, 'redirect_to', $args{next_action} ]; |
40 | } |
41 | $focus_stack->push_viewport($class, %args); |
42 | } |
43 | |
44 | sub pop_viewport { |
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45 | return shift->context->stash->{focus_stack}->pop_viewport; |
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46 | } |
47 | |
48 | sub pop_viewports_to { |
49 | my ($self, $vp) = @_; |
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50 | return $self->context->stash->{focus_stack}->pop_viewports_to($vp); |
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51 | } |
52 | |
53 | sub redirect_to { |
54 | my ($self, $c, $to, $cap, $args, $attrs) = @_; |
55 | |
56 | #the confess calls could be changed later to $c->log ? |
57 | my $action; |
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58 | my $reftype = ref($to); |
59 | if( $reftype eq '' ){ |
60 | $action = $self->action_for($to); |
61 | confess("Failed to locate action ${to} in " . blessed($self)) unless $action; |
62 | } elsif($reftype eq 'ARRAY' && @$to == 2){ #is that overkill / too strict? |
63 | $action = $c->controller($to->[0])->action_for($to->[1]); |
64 | confess("Failed to locate action $to->[1] in $to->[0]" ) unless $action; |
65 | } elsif( blessed $to && $to->isa('Catalyst::Action') ){ |
66 | $action = $to; |
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67 | } else{ |
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68 | confess("Failed to locate action from ${to}"); |
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69 | } |
70 | |
71 | $cap ||= $c->req->captures; |
72 | $args ||= $c->req->args; |
73 | $attrs ||= {}; |
74 | my $uri = $c->uri_for($action, $cap, @$args, $attrs); |
75 | $c->res->redirect($uri); |
76 | } |
77 | |
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78 | sub make_context_closure { |
79 | my($self, $closure) = @_; |
80 | my $ctx = $self->context; |
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81 | weaken($ctx); |
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82 | return sub { $closure->($ctx, @_) }; |
83 | } |
84 | |
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85 | 1; |
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86 | |
87 | __END__; |
88 | |
89 | =head1 NAME |
90 | |
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91 | Reaction::UI::Controller |
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92 | |
93 | =head1 DESCRIPTION |
94 | |
95 | Base Reaction Controller class. Inherits from: |
96 | |
97 | =over 4 |
98 | |
99 | =item L<Catalyst::Controller> |
100 | =item L<Catalyst::Component::ACCEPT_CONTEXT> |
101 | =item L<Reaction::Object> |
102 | |
103 | =back |
104 | |
105 | =head1 METHODS |
106 | |
107 | =head2 push_viewport $vp_class, %args |
108 | |
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109 | Creates a new instance of the L<Reaction::UI::ViewPort> class |
110 | ($vp_class) using the rest of the arguments given (%args). Defaults of |
111 | the action can be overridden by using the C<ViewPort> key in the |
112 | controller configuration. For example to override the default number |
113 | of items in a CRUD list action: |
114 | |
115 | __PACKAGE__->config( |
116 | action => { |
117 | list => { ViewPort => { per_page => 50 } }, |
118 | } |
119 | ); |
120 | |
121 | The ViewPort is added to the L<Reaction::UI::Window>'s FocusStack in |
122 | the stash, and also returned to the calling code. |
123 | |
124 | Related items: |
125 | |
126 | =over |
127 | |
128 | =item L<Reaction::UI::Controller::Root> |
129 | =item L<Reaction::UI::Window> |
130 | |
131 | =back |
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132 | |
133 | TODO: explain how next_action as a scalar gets converted to the redirect arrayref thing |
134 | |
135 | =head2 pop_viewport |
136 | |
137 | =head2 pop_viewport_to $vp |
138 | |
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139 | Call L<Reaction::UI::FocusStack/pop_viewport> or |
140 | L<Reaction::UI::FocusStack/pop_viewport_to> on |
141 | the C<< $c->stash->{focus_stack} >>. |
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142 | |
143 | =head2 redirect_to $c, $to, $captures, $args, $attrs |
144 | |
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145 | Construct a URI and redirect to it. |
146 | |
147 | $to can be: |
148 | |
149 | =over |
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150 | |
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151 | =item The name of an action in the current controller. |
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152 | |
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153 | =item A L<Catalyst::Action> instance. |
154 | |
155 | =item An arrayref of controller name and the name of an action in that |
156 | controller. |
157 | |
158 | =back |
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159 | |
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160 | $captures and $args default to the current requests $captures and |
161 | $args if not supplied. |
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162 | |
163 | =head1 AUTHORS |
164 | |
165 | See L<Reaction::Class> for authors. |
166 | |
167 | =head1 LICENSE |
168 | |
169 | See L<Reaction::Class> for the license. |
170 | |
171 | =cut |