7fcfb11f20
began converting the article to have it's own attachments, but still have some work to do
222 lines
6.9 KiB
Perl
222 lines
6.9 KiB
Perl
package WebGUI::Form::File;
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=head1 LEGAL
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-------------------------------------------------------------------
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WebGUI is Copyright 2001-2006 Plain Black Corporation.
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-------------------------------------------------------------------
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Please read the legal notices (docs/legal.txt) and the license
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(docs/license.txt) that came with this distribution before using
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this software.
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-------------------------------------------------------------------
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http://www.plainblack.com info@plainblack.com
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-------------------------------------------------------------------
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=cut
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use strict;
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use base 'WebGUI::Form::Control';
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use WebGUI::International;
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use WebGUI::Storage;
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=head1 NAME
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Package WebGUI::Form::File
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=head1 DESCRIPTION
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Creates a text input box form field.
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=head1 SEE ALSO
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This is a subclass of WebGUI::Form::Control.
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=head1 METHODS
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The following methods are specifically available from this class. Check the superclass for additional methods.
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=cut
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#-------------------------------------------------------------------
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=head2 definition ( [ additionalTerms ] )
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See the super class for additional details.
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=head3 additionalTerms
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The following additional parameters have been added via this sub class.
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=head4 name
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If no name is specified a default name of "file" will be used.
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=head4 maxAttachments
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How many attachments will be allowed to be uploaded. However, the file form
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only supports displaying/deleting 1 attachment.
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=head4 profileEnabled
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Flag that tells the User Profile system that this is a valid form element in a User Profile
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=head4 deleteFileUrl
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A url that will get a filename appended to it and then links to delete the files will be generated automatically.
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=cut
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sub definition {
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my $class = shift;
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my $session = shift;
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my $definition = shift || [];
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my $i18n = WebGUI::International->new($session);
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push(@{$definition}, {
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formName=>{
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defaultValue=>$i18n->get("file")
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},
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name=>{
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defaultValue=>"file"
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},
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maxAttachments=>{
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defaultValue=>1
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},
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profileEnabled=>{
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defaultValue=>1
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},
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deleteFileUrl=>{
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defaultValue=>undef
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}
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});
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return $class->SUPER::definition($session, $definition);
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}
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#-------------------------------------------------------------------
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=head2 displayForm ( )
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If an file is uploaded, then return an icon for that file's type and a control to
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delete it. Otherwise, display a form element to upload a file.
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=cut
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sub displayForm {
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my ($self) = @_;
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return $self->toHtml unless $self->get("value");
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##There are files inside here, for each one, display the file icon
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##and another form control for deleting it.
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my $location = WebGUI::Storage->get($self->session,$self->get("value"));
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my $fileForm = '';
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my $i18n = WebGUI::International->new($self->session);
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my $file = shift @{ $location->getFiles };
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$fileForm .= sprintf qq!<img src="%s" /><br />!, $location->getFileIconUrl($file);
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$fileForm .= $i18n->get(392)
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. " "x4
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. WebGUI::Form::YesNo->new($self->session,{-name=>$self->privateName('delete'), -value=>0})->toHtml;
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$fileForm .= $self->toHtmlAsHidden();
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$fileForm .= WebGUI::Form::Hidden->new($self->session, {-name => $self->privateName('action'), -value => 'keep'})->toHtml();
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return $fileForm;
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}
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#-------------------------------------------------------------------
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=head2 displayValue ( )
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This utility method is used to format values for the Profile system. Most
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form elements will just return their value.
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=cut
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sub displayValue {
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my ($self) = @_;
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return '' unless $self->get("value");
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my $location = WebGUI::Storage->get($self->session,$self->get("value"));
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my $file = shift @{ $location->getFiles };
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my $fileValue = sprintf qq|<img src="%s" /> %s|, $location->getFileIconUrl($file), $file;
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return $fileValue;
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}
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#-------------------------------------------------------------------
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=head2 getValueFromPost ( )
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Returns the storageId for the storage location that the file(s) got
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uploaded to. Returns undef if no files were uploaded. Also handles
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deleting the file if it was specified.
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=cut
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sub getValueFromPost {
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my $self = shift;
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my $value = $self->session->form->param($self->get("name"));
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if ($self->session->form->param($self->privateName('delete'))) {
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my $storage = WebGUI::Storage->get($self->session,$value);
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$storage->delete;
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return '';
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} elsif ($self->session->form->param($self->privateName('action')) eq 'keep') {
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return $value;
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} elsif ($self->session->form->param($self->privateName('action')) eq 'upload') {
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my $storage = WebGUI::Storage::Image->create($self->session);
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$storage->addFileFromFormPost($self->get("name"),1000);
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my @files = @{ $storage->getFiles };
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if (scalar(@files) < 1) {
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$storage->delete;
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return undef;
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} else {
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my $id = $storage->getId;
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return $id;
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}
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}
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}
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#-------------------------------------------------------------------
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=head2 toHtml ( )
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Renders a file upload control.
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=cut
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sub toHtml {
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my $self = shift;
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my $i18n = WebGUI::International->new($self->session);
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my $uploadControl = undef;
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my $storage = WebGUI::Storage->get($self->session, $self->get("value")) if ($self->get("value"));
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my @files = $storage->getFiles if (defined $storage);
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my $maxFiles = $self->get('maxAttachments') - scalar(@files);
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if ($maxFiles > 0) {
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$self->session->style->setScript($self->session->config->get("extrasURL").'/FileUploadControl.js',{type=>"text/javascript"});
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$uploadControl = '<script type="text/javascript">
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var fileIcons = new Array();
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';
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opendir(DIR,$self->session->config->get("extrasPath").'/fileIcons');
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my @icons = readdir(DIR);
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closedir(DIR);
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foreach my $file (@icons) {
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unless ($file eq "." || $file eq "..") {
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my $ext = $file;
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$ext =~ s/(.*?)\.gif/$1/;
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$uploadControl .= 'fileIcons["'.$ext.'"] = "'.$self->session->config->get("extrasURL").'/fileIcons/'.$file.'";'."\n";
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}
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}
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$uploadControl .= sprintf q!var uploader = new FileUploadControl("%s", fileIcons, "%s","%d");
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uploader.addRow();
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</script>!, $self->get("name"), $i18n->get("removeLabel"), $maxFiles;
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$uploadControl .= WebGUI::Form::Hidden->new($self->session, {-name => $self->privateName('action'), -value => 'upload'})->toHtml()."<br />";
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}
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if (scalar(@files)) {
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foreach my $file (@{$storage->getFiles}) {
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if ($self->get("deleteFileUrl")) {
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$uploadControl .= '<p style="display:inline;vertical-align:middle;"><a href="'.$self->get("deleteFileUrl").$file.'">'
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.'<img src="'.$self->session->icon->_getBaseURL().'delete.gif" style="vertical-align:middle;border: 0px;" alt="x" /></a></p> ';
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}
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$uploadControl .= '<p style="display:inline;vertical-align:middle;"><a href="'.$storage->getUrl($file).'">'
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.'<img src="'.$storage->getFileIconUrl($file).'" style="vertical-align:middle;border: 0px;" alt="'
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.$file.'" /> '.$file.'</a></p><br />';
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}
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}
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return $uploadControl;
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}
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1;
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