MACROMEDIA DREAMWEAVER MX 2004-EXTENDING DREAMWEAVER Spezifikationen PDF herunterladen (Seite 381)

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101

How data sources work 381

Request

NameOfRequestVariable

NameOfAnotherRequestVariable

Session

NameOfSessionVariable

If the user double-clicks on a data source name in the Bindings panel to edit the data

source, Dreamweaver calls the

editDynamicSource() function to handle the user edits

within the tree.

5. If the user clicks the Minus (-) button, Dreamweaver gets the current node selection from

the tree and passes it to the

deleteDynamicSource() function, which deletes the code that

was added earlier with the

addDynamicSource() function. If it cannot delete the current

selection, the function returns an error message. After the

deleteDynamicSource()

function returns, Dreamweaver refreshes the data source tree by calling the

findDynamicSources() and the generateDynamicSourceBindings() functions.

6. If the user selects a data source and clicks OK in the Dynamic Data or the Dynamic Text

dialog box, or clicks Insert or Bind in the Bindings panel, Dreamweaver calls the

generateDynamicDataRef() function. The return value is inserted in the document at the

current insertion point.

7. If the user displays the Dynamic Data or the Dynamic Text dialog box to edit an existing

dynamic data object, the selection in the data source tree needs to be initialized to the

dynamic data object. To initialize the tree control, Dreamweaver goes through each file in

the appropriate server model folder (for example, the Configuration/DataSources/ASP_Js

folder), calling the implementation of the

inspectDynamicDataRef() function in each

file.

Dreamweaver calls the

inspectDynamicDataRef() function to convert the dynamic data

object back from the code in the user’s document to an item in the tree. (This process is

the reverse of what occurs when the

generateDynamicDataRef() function is called.) If

the

inspectDynamicDataRef() function returns an array that contains two elements,

Dreamweaver shows with a visual cue which item in the tree is bound to the current

selection.

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