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change image resize to AssetHelper

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This commit is contained in:
Doug Bell 2011-03-25 21:53:31 -05:00
parent 4adaa093a5
commit b84fd2adaf
2 changed files with 212 additions and 129 deletions
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171
lib/WebGUI/AssetHelper/Image/Resize.pm Normal file
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package WebGUI::AssetHelper::Image::Resize;
use base 'WebGUI::AssetHelper';
#-------------------------------------------------------------------
=head2 process ( )
Open a dialog to resize the image
=cut
sub process {
my ( $self ) = @_;
my $asset = $self->asset;
my $session = $self->session;
my $i18n = WebGUI::International->new($session, 'WebGUI');
if (! $asset->canEdit) {
return { error => $i18n->get('38'), };
}
elsif ( ! $asset->canEditIfLocked ) {
return { error => $i18n->get('asset locked') };
}
return {
openDialog => $self->getUrl( 'resize' )
};
}
#-------------------------------------------------------------------
=head2 www_resize
Displays a form for the user to resize this image.
=cut
sub www_resize {
my ( $self ) = @_;
my $asset = $self->asset;
my $session = $self->session;
return $session->privilege->insufficient() unless $asset->canEdit;
return $session->privilege->locked() unless $asset->canEditIfLocked;
my ( $x, $y ) = $asset->getStorageLocation->getSizeInPixels( $asset->filename );
##YUI specific datatable CSS
my ( $style, $url ) = $session->quick(qw(style url));
$style->setCss( $url->extras('yui/build/fonts/fonts-min.css') );
$style->setCss( $url->extras('yui/build/resize/assets/skins/sam/resize.css') );
$style->setScript( $url->extras('yui/build/yahoo-dom-event/yahoo-dom-event.js') );
$style->setScript( $url->extras('yui/build/element/element-min.js') );
$style->setScript( $url->extras('yui/build/dragdrop/dragdrop-min.js') );
$style->setScript( $url->extras('yui/build/resize/resize-min.js') );
$style->setScript( $url->extras('yui/build/animation/animation-min.js') );
my $resize_js = qq(
<script>
(function() {
var Dom = YAHOO.util.Dom,
Event = YAHOO.util.Event;
var resize = new YAHOO.util.Resize('yui_img', {
handles: 'all',
knobHandles: true,
height: '${y}px',
width: '${x}px',
proxy: true,
ghost: true,
status: true,
draggable: false,
ratio: true,
animate: true,
animateDuration: .75,
animateEasing: YAHOO.util.Easing.backBoth
});
resize.on('startResize', function() {
this.getProxyEl().innerHTML = '<img src="' + this.get('element').src + '" style="height: 100%; width: 100%;">';
Dom.setStyle(this.getProxyEl().firstChild, 'opacity', '.25');
}, resize, true);
resize.on('resize', function(e) {
element = document.getElementById('newWidth_formId');
element.value = e.width;
element = document.getElementById('newHeight_formId');
element.value = e.height;
}, resize, true);
})();
</script>
);
my $i18n = WebGUI::International->new( $session, "Asset_Image" );
my $f = $self->getForm( 'resizeSave' );
$f->addField(
"readOnly",
label => $i18n->get('image size'),
hoverHelp => $i18n->get('image size description'),
value => $x . ' x ' . $y,
);
$f->addField(
"integer",
label => $i18n->get('new width'),
hoverHelp => $i18n->get('new width description'),
name => "newWidth",
value => $x,
);
$f->addField(
"integer",
label => $i18n->get('new height'),
hoverHelp => $i18n->get('new height description'),
name => "newHeight",
value => $y,
);
$f->addField( "submit", name => "submit" );
my $image
= '<div align="center" class="yui-skin-sam"><img src="'
. $asset->getStorageLocation->getUrl( $asset->filename )
. '" style="border-style:none;" alt="'
. $asset->filename
. '" id="yui_img" /></div>'
. $resize_js;
my $output = '<h1>' . $i18n->get('resize image') . '</h1>' . $f->toHtml . $image;
return $style->process( $output, "PBtmplBlankStyle000001" );
} ## end sub www_resize
#----------------------------------------------------------------------------
=head2 www_resizeSave ( )
Resize the image to the user's specifications and close the dialog
=cut
sub www_resizeSave {
my ( $self ) = @_;
my $asset = $self->asset;
my $session = $self->session;
return $session->privilege->insufficient() unless $asset->canEdit;
return $session->privilege->locked() unless $asset->canEditIfLocked;
my $tag = WebGUI::VersionTag->getWorking($session);
$asset = $asset->addRevision( { tagId => $tag->getId, status => "pending" } );
$asset->setVersionLock;
delete $asset->{_storageLocation};
$asset->getStorageLocation->resize(
$asset->filename,
$session->form->process("newWidth"),
$session->form->process("newHeight")
);
$asset->setSize( $asset->getStorageLocation->getFileSize( $asset->filename ) );
$asset->generateThumbnail;
WebGUI::VersionTag->autoCommitWorkingIfEnabled( $session, { allowComments => 0 } );
# We're in admin mode, close the dialog
my $text = '<script type="text/javascript">';
if ( ref $helper eq 'HASH' ) {
# Process the output as JSON
$text .= sprintf 'parent.admin.processPlugin( %s );', JSON->new->encode( $helper );
}
# Close dialog last so that script above runs!
$text .= 'parent.admin.closeModalDialog();'
. '</script>';
$self->session->output->print( $text, 1); # skipMacros
}
1;