(*

File:Processes.applescript

Abstract: AppleScripts used in the Processes example.

Version: 1.0

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*)

property targetData : missing value

on awake from nib theObject

    if name of theObject is "Processes" then

        set documentToolbar to make new toolbar at end with properties {name:"document toolbar", identifier:"document toolbar identifier", allows customization:true, auto sizes cells:true, display mode:default display mode, size mode:default size mode}

        -- Setup the allowed and default identifiers.

        set allowed identifiers of documentToolbar to {"quit process identifier", "inspector item identifier", "reveal item identifier", "space item identifier", "update item identifier", "flexible space item identifer", "separator item identifier", "customize toolbar item identifer", "formatting item identifier", "show process identifier", "hide process identifier"}

        set default identifiers of documentToolbar to {"quit process identifier", "inspector item identifier", "separator item identifier", "show process identifier", "hide process identifier", "reveal item identifier", "separator item identifier", "flexible space item identifier", "space item identifier", "space item identifier", "space item identifier", "space item identifier", "space item identifier", "space item identifier", "update item identifier"}

        -- Create the toolbar items, adding them to the toolbar.

        make new toolbar item at end of toolbar items of documentToolbar with properties {identifier:"inspector item identifier", name:"inspector item", label:"Inspect", palette label:"Inspect", tool tip:"Inspect Process", image name:"Inspect"}

        make new toolbar item at end of toolbar items of documentToolbar with properties {identifier:"quit process identifier", name:"quit process", label:"Quit", palette label:"Quit", tool tip:"Quit Process", image name:"StopScript"}

        make new toolbar item at end of toolbar items of documentToolbar with properties {identifier:"reveal item identifier", name:"reveal item", label:"Reveal", palette label:"Reveal", tool tip:"Reveal application", image name:"reveal"}

        make new toolbar item at end of toolbar items of documentToolbar with properties {identifier:"update item identifier", name:"Update item", label:"Update", palette label:"Update", tool tip:"Update", image name:"update"}

        make new toolbar item at end of toolbar items of documentToolbar with properties {identifier:"show process identifier", name:"Show Process", label:"Show", palette label:"Show", tool tip:"Show Process", image name:"show"}

        make new toolbar item at end of toolbar items of documentToolbar with properties {identifier:"hide process identifier", name:"Hide Process", label:"Hide", palette label:"Hide", tool tip:"Hide Process", image name:"hide"}

        -- Assign our toolbar to the window

        set toolbar of theObject to documentToolbar

    else if name of theObject is "processesTable" then

        -- Make new data source

        set targetData to make new data source at end of data sources with properties {name:"processesTable"}

        -- Target the data source

        tell targetData

            -- delete every data row

            -- Create each of the data columns, including the sort information for each column      

            make new data column at end of data columns with properties {name:"ProcessNameVal", sort order:ascending, sort type:alphabetical, sort case sensitivity:case sensitive}

            make new data column at end of data columns with properties {name:"frontmostVal", sort order:ascending, sort type:alphabetical, sort case sensitivity:case sensitive}

            make new data column at end of data columns with properties {name:"visibleVal", sort order:ascending, sort type:alphabetical, sort case sensitivity:case sensitive}

            make new data column at end of data columns with properties {name:"creatorTypeVal", sort order:ascending, sort type:alphabetical, sort case sensitivity:case sensitive}

            make new data column at end of data columns with properties {name:"fileTypeVal", sort order:ascending, sort type:alphabetical, sort case sensitivity:case sensitive}

            make new data column at end of data columns with properties {name:"scriptingVal", sort order:ascending, sort type:alphabetical, sort case sensitivity:case sensitive}

            make new data column at end of data columns with properties {name:"opensInClassicVal", sort order:ascending, sort type:alphabetical, sort case sensitivity:case sensitive}

        end tell

        -- Make this a sorted data source

        set sorted of targetData to true

        -- Set the "name" data column as the sort column

        set sort column of targetData to data column "ProcessNameVal" of targetData

        -- Set the data source of the table view to the new data source

        set data source of theObject to targetData

    end if

end awake from nib

-- on launch of the application get the processes

on launched theObject

    updateProcesses()

end launched

on column clicked theObject table column tableColumn

    -- Get the data source of the table view

    set theDataSource to data source of theObject

    -- Get the identifier of the clicked table column

    set theColumnIdentifier to identifier of tableColumn

    -- Get the current sort column of the data source

    set theSortColumn to sort column of theDataSource

    -- If the current sort column is not the same as the clicked column then switch the sort column

    if (name of theSortColumn) is not equal to theColumnIdentifier then

        set the sort column of theDataSource to data column theColumnIdentifier of theDataSource

    else

        -- Otherwise change the sort order

        if sort order of theSortColumn is ascending then

            set sort order of theSortColumn to descending

        else

            set sort order of theSortColumn to ascending

        end if

    end if

    -- We need to update the table view (so it will be redrawn)

    update theObject

end column clicked

-- update the processes list

on updateProcesses()

    set listcnt to getProcessCount()

    processLoop(listcnt)

end updateProcesses

--Get name of every process and return a list

on getProcessCount()

    try

        tell application "System Events"

            set processNameList to name of every process

            set listcnt to count of processNameList

        end tell

    end try

    set contents of text field "processCount" of window "Processes" to listcnt

    return listcnt

end getProcessCount

-- process the processes list

on processLoop(listcnt)

    set update views of targetData to false

    set progressIndicatorStepValue to (100 / listcnt)

    set processInfoRecord to {}

    set processRowNumber to 1

    repeat listcnt times

        set end of processInfoRecord to getProcessInfo(processRowNumber)

        set progressIndicatorVal to contents of progress indicator "progressindicator" of window "Processes"

        set contents of progress indicator "progressindicator" of window "Processes" to (progressIndicatorVal + progressIndicatorStepValue)

        set processRowNumber to processRowNumber + 1

    end repeat

    set content of targetData to processInfoRecord

    set contents of progress indicator "progressindicator" of window "Processes" to 0

    try

        -- clear any previous table view row selections, in order to prevent stale row data

        set selected rows of table view "processesTable" of scroll view "processesScrollView" of window "Processes" to {}

    end try

    set update views of targetData to true

end processLoop

-- Get individual process information

on getProcessInfo(processRowNumber)

    try

        tell application "System Events"

            set processInfo to {(name of process processRowNumber), (frontmost of process processRowNumber as string), (visible of process processRowNumber as string), (creator type of process processRowNumber), (file type of process processRowNumber), (has scripting terminology of process processRowNumber) as string, (Classic of process processRowNumber) as string}

        end tell

    on error

        -- If System Events encounters an error, try again after a delay

        delay 0.5

        try

            tell application "System Events"

                set processInfo to {(name of process processRowNumber), (frontmost of process processRowNumber as string), (visible of process processRowNumber as string), (creator type of process processRowNumber), (file type of process processRowNumber), (has scripting terminology of process processRowNumber) as string, (Classic of process processRowNumber) as string}

            end tell

        on error

            -- If the second try also fails, return placeholder data and return

            set processInfo to {"unknown", "unknown", "unknown", "unknown", "unknown", "unknown", "unknown"}

        end try

    end try

    return processInfo

end getProcessInfo