MACROMEDIA FLASH 8-LEARNING ACTIONSCRIPT 2.0 IN FLASH Spezifikationen PDF herunterladen (Seite 129)

Add ActionScript code 129

image0uri contains a string that is the Universal Resource Identifier for

the image file that is loaded and displayed in each section of the

slides

movie clip.

The next two lines of code declare two more variables:

var currImage:Number = 0;

var totalImages:Number = 4;

The first variable, currImage, stores the number of the current image that

is being displayed in the

slides movie clip. The second variable,

totalImages, stores the total number of images that are available to be

displayed. By storing this last number in a variable, you make it easier to

change the number if you want to add more images to the slide show later.

You would also need to modify the

slideShow movie clip in that case.

The next line of code sets the text of the title text box to the text in the

variable whose name corresponds to the current image number.

menu_mc.title_txt.text = this["image"+currImage+"title"];

This code uses dot syntax to set the text property of the title_txt text box in

the

menu_mc movie clip instance to the value of a variable. In this case the

variable name is constructed from the word image plus the value of the

currImage variable, plus the word title. The variable name becomes

image0title or one of the other similar variable names, depending on the

number contained in the

currImage variable. The word this indicates to

Flash that the variable was declared inside this same script.

The following line of code is similar to the previous one:

menu_mc.description_txt.text =

this["image"+currImage+"desc"];

This line of code sets the text of the description text box in the menu_mc

movie clip instance to the text in the

desc variable that corresponds to the

current image number.

The following lines of code set up a

for loop to load external JPG image

files into the

holder movie clip instances, which are in the slides movie

clip in the

slideShow movie clip. The file paths to each external JPG file

are stored in the

image*uri variables declared in the beginning of this

ActionScript code block, as follows:

for (var i:Number = 0; i<totalImages; i++) {

slideShow_mc.slides_mc["holder"+i].loadMovie(this["image"+(i

)+"uri"],slideShow_mc.slides_mc.getNextHighestDepth());

}

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