Galleria Immagini

tesi 2022
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Dicembre 2019 - VI visita di monitoraggio Timesis-Neemo al LIFE BARBIE
Dicembre 2019. Sopralluoghi con il monitor Timesis-Neemo presso il sito di progetto sul Fiume Enza. Sono presenti rappresentanti dei vari partner Life Barbie nonché di AIPO.

Download		 Dicembre 2019 - VI visita di monitoraggio Timesis-Neemo al LIFE BARBIE
Download		 Dicembre 2019. Sopralluoghi con il monitor Timesis-Neemo presso il sito di progetto sul Fiume Enza. Sono presenti rappresentanti dei vari partner Life Barbie nonché di AIPO.
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networking
IV visita di monitoraggio al progetto
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networking "life for LASCA" (15febbraio2018)
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class "Gallery" already exists
    while executing
"::itcl::class Gallery {
        inherit Barbie

        private variable galleria_d
        private variable gallery_sect_menu
        private variabl..."
    (in namespace eval "::rwdatas" script line 3)
    invoked from within
"namespace eval ::rwdatas {

    ::itcl::class Gallery {
        inherit Barbie

        private variable galleria_d
        private variable gallery_s..."


OUTPUT BUFFER:

source [file join $rweb_root tcl before.tcl]
#
# -- gallery.tcl
#
# datasource per pagina gestione delle
#
#

package require Barbie
package require rwbinary

namespace eval ::rwdatas {

    ::itcl::class Gallery {
        inherit Barbie

        private variable galleria_d
        private variable gallery_sect_menu
        private variable gallery_menu
        private common   thumb_h_size   200
        private common   gallery_dir
        private common   thumbnails_dir 

        private method page_handled {v p}
        public method willHandle {arglist keyvar} 
        public method fetchData {key reassigned_key} 
        public method init {args} 
        public method menu_list {page}
        #public method to_url {lm} { return [Barbie::to_url $lm] }
        #public method will_provide {keyword reassigned_key}
        public proc create_thumbnail {photo}
        public proc gallery {}
        public proc gallery_latest_entries {dbhandle nentries}
        public proc thumbnail_fs_path {photo}
	public proc thumbnail_path {photo}
	public proc thumbnail_exists {photo}
    }

    ::itcl::body Gallery::thumbnail_exists {photo} {
	return [file exists [thumbnail_fs_path $photo]]
    }

    ::itcl::body Gallery::thumbnail_fs_path {photo} {
	return [file join galleria thumbnails ${photo}]
    }

    ::itcl::body Gallery::thumbnail_path {photo} {
	return [::rivetweb::rewrite_generic_path [join [list galleria thumbnails $photo] "/"]]
    }

    ::itcl::body Gallery::create_thumbnail {photo} {
        set thumbnail 	[thumbnail_fs_path $photo]
        set photo_name  [file join $gallery_dir $photo]
 
        if {[catch {exec gm convert $photo_name -geometry $thumb_h_size $thumbnail} e]} {
            ::rivet::apache_log_error err "Error creating thumbnail $thumbnail: $e"
            return -code error -errorcode thumbnail_creation_error $e $e
        }
    }


    # -- page_handled
    #
    #

    ::itcl::body Gallery::page_handled {varsqs page_key} {
        upvar $page_key p

        foreach p [list photo gallery] {
            if {[dict exists $varsqs $p]} {
                return true 
            }
        }
        return false

    }

    ::itcl::body Gallery::willHandle {arglist keyvar} { 
        upvar $keyvar key 

        set varsqs [dict create {*}$arglist]
        if {[dict exists $varsqs photo]} {
            set photo_filename [dict get $varsqs photo]
	    #
	    # proposed change
            #set key "view_photo_[regsub -all {[^[:alnum:]]} ${photo_filename}]"
	    #
            set key "view_photo_[::rivet::escape_string ${photo_filename}]"

            return -code break -errorcode rw_ok
        } elseif {[dict exists $varsqs gallery]} {
            set key "view_gallery"
            return -code break -errorcode rw_ok
        }

        return -code continue -errorcode rw_continue 
    }

    ::itcl::body Gallery::fetchData {key reassigned_key} {
        upvar $reassigned_key rkey
        
        set rkey $key

        set key [::rivet::unescape_string $key]
        switch -regexp -matchvar photo_name -- $key {
            view_photo_(.+) {
                $this check_class ::rwpage::Photo

                set photo_name [lindex $photo_name 1]

                set p [::rwpage::Photo ::#auto $key $gallery_dir $photo_name]

                #::rivet::apache_log_error notice "new instance of $p ::rwpage::Photo"
            }
            view_gallery {
                $this check_class ::rwpage::Gallery

                set p [::rwpage::Gallery ::#auto $key $gallery_dir]

                #::rivet::apache_log_error notice "new instance of $p ::rwpage::Gallery"
            }
            default {
				set p ""
			}
        }
        #::rivet::apache_log_error notice "new instance of ::rwpage::Photo (binary: [$p binary_content])"
        return $p
    }

    ::itcl::body Gallery::gallery_latest_entries {dbhandle nentries} {
        set     q "select g.*,s.descrizione from galleria g "
        append  q "join sezioni s on s.sectionid=g.sezione "
        append  q "order by g.creazione desc limit $nentries;"

        set galleria_d  [dict create]
        $dbhandle forall $q photo_a {
            dict set galleria_d [incr idx] [dict create {*}[array get photo_a]]
        }

        return $galleria_d
    }

    ::itcl::body Gallery::gallery {} {

        set     q "select g.*,s.descrizione from galleria g "
        append  q "join sezioni s on s.sectionid=g.sezione order by s.descrizione,s.ordine,g.ordine;"

        set galleria_d [dict create]
        $::barbie::dbhandle forall $q photo_a {
            
            set photo_name  $photo_a(filename)
            set sezione     $photo_a(sezione)
            set descrizione $photo_a(descrizione)
            unset photo_a(sezione)
            unset photo_a(filename)
            unset photo_a(descrizione)

            dict set galleria_d $sezione photos $photo_name \
							    [dict create {*}[array get photo_a]]
            dict set galleria_d $sezione descrizione $descrizione

        }

        return $galleria_d
    }

    ::itcl::body Gallery::init {args} { 
        Barbie::init $args       
    
        set gallery_dir [file join $::rivetweb::site_base galleria]
        if {![file exists $gallery_dir]} {
            file mkdir $gallery_dir
        }

        set thumbnails_dir [file join $gallery_dir thumbnails]
        if {![file exists $thumbnails_dir]} {
            file mkdir $thumbnails_dir
        }
        
        set galleria_d [::rwdatas::Gallery::gallery]
        $this register_class ::rwpage::Photo
        $this register_class ::rwpage::Gallery
    }

    ::itcl::body Gallery::menu_list {page} {

        set page_class [$page info class]
        if {($page_class == "::rwpage::Gallery") || \
            ($page_class == "::rwpage::Photo")} {

            set mm $::rivetweb::menumodel
            set lm $::rivetweb::linkmodel

            set galleria_d [::rwdatas::Gallery::gallery]
            if {[dict size $galleria_d] == 0} { return [Datasource::menu_list $page] }

            catch {$gallery_menu destroy}
            set gallery_menu [$mm create_menu sezioni_galleria none normal]
            $gallery_menu assign title "Photo Gallery" en
            $gallery_menu assign title "Galleria Fotografica" it
            dict for {sectid section_d} $galleria_d {

                set gallery_section [$lm create Gallery "" \
                                    [list it [dict get $galleria_d $sectid descrizione]] \
                                    [dict create gallery 1 section $sectid] ""]

                $gallery_menu add_link $gallery_section

            }

            return [list evidenza $gallery_menu]
        } else {
            return {} 
        }
    }

}

package provide Gallery 1.0
source [file join $rweb_root tcl after.tcl]