Check For Certain Key-press In A Textfield..
Howdy all..
I have a lil prob here..
I want to let flash execute a set if external functions (ASP) as soon as a user presses the ENTER-key (chr(13),chr(10)..?) inside an Input field. I tried on(something) and some other stuff, but to no avail. Cos this script only seems to work in button instances. Calling the external ASP scripts is no problem, but getting flash to respond on pressing the ENTER key inside that field seems a lil trickier..
Any support would be greatly appreciated.
thanks lots in advance
FlashKit > Flash Help > Flash ActionScript
Posted on: 10-07-2001, 08:11 PM
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[textfield] How To Check If Input Text Is More Than Textfield Height?
Hi guys, Is there a way to check if the text that has been input into the textfield is more than the height of the textfield.
I have set the scrollbar hidden and it will become unhidden once the text is greater the the textfield height.
I did try to count the input text and set the visiblity of the scrollbar against that count. Unfortunatly this is unreliable.
Anyone got a better idea?
Cheers
Paul
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[textfield] How To Check If Input Text Is More Than Textfield Height?
Hi guys, Is there a way to check if the text that has been input into the textfield is more than the height of the textfield.
I have set the scrollbar hidden and it will become unhidden once the text is greater the the textfield height.
I did try to count the input text and set the visiblity of the scrollbar against that count. Unfortunatly this is unreliable.
Anyone got a better idea?
Cheers
Paul
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buttons = ["btn1", "btn2", "btn3", "btn4", "btn5", "btn6"];
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_txt.border = true;
_txt.type = "input";
var text2:Array = new Array;
_txt.onChanged = function() {
text2.push(this.text);
for (i=0; i<text2.length; i += 1) {
trace(text2[i]);
}
};
i want to change this onChanged to a onKeyPress(Key.ENTER) or something. i have no idea of the correct syntax.
thanks in advance
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i want to validate the value entered in textField.
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My take will use Selection.getFocus & Key.getCode. But it makes the code ugly -- the onKillFocus is attached to the textField, whereas Selection.getFocus methods will need another if-else statement.
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Code:
//set the scrollbar component to be invisible
text_sb._visible = 0;
//create event handler to hide/show scrollbar component
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My goal with this is, at run-time (or compile time...whatever) to have this text field that is on the Stage with the scrollbar component already attached to have text inserted into programmatically (function doTyping) and once the text bumps the scroll property up past 1, then hav ethe scrollbar component appear and start adjusting itself automatically.
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Code:
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||| O ^ | + O ¬
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code:
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code:
for (i = 0; i < this.newsCount; i++) {
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}
unloadMovie (dtLoader);
viser._visible = 0;
}
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Cant Get Textfield Height From AutoSized Textfield
Afternoon guys.
I am creating a new nwe3s blogger. Instead of relying on a scrollbar to scroll the news story i thought i would use
ActionScript Code:
textField.autosize="left"
This works fine...
At present i am loading x amount of news into flash at any one time. I am placing the news story underneath each other using
ActionScript Code:
holder.attachMovie ("newsMc", "news" + i, i);
holder['news' + i]._y = nextY;
nextY += Math.ceil (holder['news' + i]._height) + 2;
this is fine...
But when i use
ActionScript Code:
textField.autosize="left"
nextY retains it's orginal height even though some of the news stories have made for higher textfields.
I thought i could pull the height from the previuosly created news holder
ActionScript Code:
if (i > 0) {
j = i - 1;
trace (j + " text height=" + holder['news' + j].newsStory._height);
if (holder['news' + j].newsStory._height > 184) {
nextY += Math.ceil (holder['news' + j]._height) + 2;
} else {
nextY += Math.ceil (holder['news' + j]._height) + 2;
trace ("nextY=" + nextY);
}
But this still returns the intial height
Here is the complete code
ActionScript Code:
for (i = 0; i < this.newsCount; i++) {
holder.attachMovie ("newsMc", "news" + i, i);
holder['news' + i]._y = nextY;
holder['news' + i].newsTitle.text = this['news' + i + 'newsTitle'];
holder['news' + i].newsDate.text = "Submitted: " + this['news' + i + 'newsDate'];
holder['news' + i].newsStory.htmlText = this['news' + i + 'newsStory'];
nextY += Math.ceil (holder['news' + i]._height) + 2;
if (i > 0) {
j = i - 1;
trace (j + " text height=" + holder['news' + j].newsStory._height);
if (holder['news' + j].newsStory._height > 184) {
nextY += Math.ceil (holder['news' + j]._height) + 2;
} else {
nextY += Math.ceil (holder['news' + j]._height) + 2;
trace ("nextY=" + nextY);
}
}
unloadMovie (dtLoader);
viser._visible = 0;
}
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INPUT TextField Within An HTML TextField Via <img>
I'm trying to extend an HTML TextField to include an INPUT TextField control as an <img> tag. This I can do. The problem is that mouse and keyboard events are not being seen by the inner TextField. I created a test case to demonstrate the situation. My guess is that <img> tags are treated like AS2 events and because the outer TextField is trapping text events, they are not propagated to the inner TextField. Is there anyway around this problem? Mouse events to other DisplayObjects work fine. I'm using Flash CS3.
The test case contains two classes. TextImgTest is the document class for TextImgTest.fla. TestImg implements the <img> loaded by TestImgTest. To run this. Just create an empty TextImgTest.fla and set the document class to TextImgTest. Then publish and run.
Attach Code
package
{
import flash.display.MovieClip;
import flash.events.TimerEvent;
import flash.text.TextFieldAutoSize;
import flash.text.TextField;
import flash.text.StyleSheet;
import flash.utils.Timer;
import TestImg;
public class TextImgTest extends MovieClip
{
public var textField: TextField;
public var styleSheet: StyleSheet;
public var img: TestImg;
public var timer: Timer;
public function TextImgTest(): void
{
// render directly
img = new TestImg();
addChild(img);
// render within a TextField as an <img> tag.
styleSheet = new StyleSheet();
styleSheet.setStyle("p", {fontFamily:"sans-serif", fontSize:"10"});
textField = new TextField();
textField.styleSheet = styleSheet;
textField.multiline = true;
textField.autoSize = TextFieldAutoSize.LEFT;
textField.wordWrap = true;
textField.border = true;
textField.borderColor = 0x0000FF;
textField.background = true;
textField.backgroundColor = 0xFFCCFF;
textField.width = 190;
textField.x = 5;
textField.y = 120;
textField.htmlText = "<p>TextField with an <img src='TestMsg' id='rmk'> tag:<br><img src='TestImg' id='rmk'></p>"
addChild(textField);
textField.selectable = true;
textField.mouseEnabled = true;
// Give it a little time to render then get a reference to it.
timer = new Timer(3000, 1);
timer.addEventListener(TimerEvent.TIMER_COMPLETE, onTimeout);
timer.start();
}
public function onTimeout(evt: TimerEvent): void
{
var freeText: TestImg = textField.getImageReference("rmk") as TestImg;
freeText.tField.mouseEnabled = true;
freeText.tField.selectable = true;
freeText.tField.appendText(" Got ImageReference for 'rmk'.");
}
}
}
===================================================
package
{
import flash.display.MovieClip;
import flash.display.SimpleButton;
import flash.display.Sprite;
import flash.text.TextFieldAutoSize;
import flash.text.TextFormat;
import flash.text.TextFormatAlign;
import flash.text.TextField;
import flash.text.TextFieldType;
public class TestImg extends MovieClip
{
static public const MSG_WIDTH: int = 170;
static public const MSG_HEIGHT: int = 100;
static public const MSG_MARGIN: int = 8;
public var tFmt: TextFormat;
public var tField: TextField;
public var sBut: SimpleButton;
public function TestImg(): void
{
super();
this.tabEnabled = false;
this.mouseEnabled = false;
// Show this MovieClip
with (this.graphics)
{
clear();
beginFill(0x9999FF);
drawRect(0, 0, MSG_WIDTH, MSG_HEIGHT);
endFill();
}
// Show the INPUT TextField within it.
tFmt = new TextFormat("_sans", 10, 0x000000, true, false,
false, null, null,
TextFormatAlign.LEFT);
tField = new TextField();
tField.type = TextFieldType.INPUT;
tField.height = MSG_HEIGHT - 2*MSG_MARGIN - 16;
tField.defaultTextFormat = tFmt;
tField.multiline = true;
tField.wordWrap = true;
tField.width = MSG_WIDTH - 2*MSG_MARGIN;
tField.border = true;
tField.borderColor = 0xFF0000;
tField.background = true;
tField.backgroundColor = 0xFFEECC;
tField.x = MSG_MARGIN;
tField.y = MSG_MARGIN;
tField.text = "TestImg MovieClip containing an INPUT TextField.";
this.addChild(tField);
tField.selectable = true;
tField.mouseEnabled = true;
// Show the button within this MovieClip
var butGraphics1: Sprite = new Sprite();
with (butGraphics1.graphics)
{
lineStyle(1, 0x000000);
beginFill(0xFF0000);
drawRect(0, 0, 32, 16);
endFill();
}
var butGraphics2: Sprite = new Sprite();
with (butGraphics2.graphics)
{
lineStyle(1, 0x000000);
beginFill(0x00FF00);
drawRect(0, 0, 32, 16);
endFill();
}
sBut = new SimpleButton();
sBut.upState = butGraphics1;
sBut.overState = butGraphics2;
sBut.downState = butGraphics1;
sBut.hitTestState = butGraphics2;
sBut.x = MSG_MARGIN;
sBut.y = MSG_HEIGHT - MSG_MARGIN - 16;
this.addChild(sBut);
}
}
}
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Cant Get Textfield Height From AutoSized Textfield
Afternoon guys.
I am creating a new nwe3s blogger. Instead of relying on a scrollbar to scroll the news story i thought i would use
ActionScript Code:
textField.autosize="left"
This works fine...
At present i am loading x amount of news into flash at any one time. I am placing the news story underneath each other using
ActionScript Code:
</p>
<p>holder.attachMovie ("newsMc", "news" + i, i);</p>
<p>holder['news' + i]._y = nextY;</p>
<p>nextY += Math.ceil (holder['news' + i]._height) + 2;</p>
<p>
this is fine...
But when i use
ActionScript Code:
textField.autosize="left"
nextY retains it's orginal height even though some of the news stories have made for higher textfields.
I thought i could pull the height from the previuosly created news holder
ActionScript Code:
</p>
<p>if (i > 0) {</p>
<p>j = i - 1;</p>
<p>trace (j + " text height=" + holder['news' + j].newsStory._height);</p>
<p>if (holder['news' + j].newsStory._height > 184) {</p>
<p>nextY += Math.ceil (holder['news' + j]._height) + 2;</p>
<p>} else {</p>
<p>nextY += Math.ceil (holder['news' + j]._height) + 2;</p>
<p>trace ("nextY=" + nextY);</p>
<p>}</p>
<p>
But this still returns the intial height
Here is the complete code
ActionScript Code:
</p>
<p>for (i = 0; i < this.newsCount; i++) {</p>
<p> holder.attachMovie ("newsMc", "news" + i, i);</p>
<p> holder['news' + i]._y = nextY;</p>
<p> holder['news' + i].newsTitle.text = this['news' + i + 'newsTitle'];</p>
<p> holder['news' + i].newsDate.text = "Submitted: " + this['news' + i + 'newsDate'];</p>
<p> holder['news' + i].newsStory.htmlText = this['news' + i + 'newsStory'];</p>
<p> nextY += Math.ceil (holder['news' + i]._height) + 2;</p>
<p> if (i > 0) {</p>
<p> j = i - 1;</p>
<p> trace (j + " text height=" + holder['news' + j].newsStory._height);</p>
<p> if (holder['news' + j].newsStory._height > 184) {</p>
<p> nextY += Math.ceil (holder['news' + j]._height) + 2;</p>
<p> } else {</p>
<p> nextY += Math.ceil (holder['news' + j]._height) + 2;</p>
<p> trace ("nextY=" + nextY);</p>
<p> }</p>
<p> }</p>
<p> unloadMovie (dtLoader);</p>
<p> viser._visible = 0;</p>
<p>}</p>
<p>
View Replies !
View Related
Cant Get Textfield Height From AutoSized Textfield
Afternoon guys.
I am creating a new nwe3s blogger. Instead of relying on a scrollbar to scroll the news story i thought i would use
ActionScript Code:
textField.autosize="left"
This works fine...
At present i am loading x amount of news into flash at any one time. I am placing the news story underneath each other using
ActionScript Code:
holder.attachMovie ("newsMc", "news" + i, i);
holder['news' + i]._y = nextY;
nextY += Math.ceil (holder['news' + i]._height) + 2;
this is fine...
But when i use
ActionScript Code:
textField.autosize="left"
nextY retains it's orginal height even though some of the news stories have made for higher textfields.
I thought i could pull the height from the previuosly created news holder
ActionScript Code:
if (i > 0) {
j = i - 1;
trace (j + " text height=" + holder['news' + j].newsStory._height);
if (holder['news' + j].newsStory._height > 184) {
nextY += Math.ceil (holder['news' + j]._height) + 2;
} else {
nextY += Math.ceil (holder['news' + j]._height) + 2;
trace ("nextY=" + nextY);
}
But this still returns the intial height
Here is the complete code
ActionScript Code:
for (i = 0; i < this.newsCount; i++) {
holder.attachMovie ("newsMc", "news" + i, i);
holder['news' + i]._y = nextY;
holder['news' + i].newsTitle.text = this['news' + i + 'newsTitle'];
holder['news' + i].newsDate.text = "Submitted: " + this['news' + i + 'newsDate'];
holder['news' + i].newsStory.htmlText = this['news' + i + 'newsStory'];
nextY += Math.ceil (holder['news' + i]._height) + 2;
if (i > 0) {
j = i - 1;
trace (j + " text height=" + holder['news' + j].newsStory._height);
if (holder['news' + j].newsStory._height > 184) {
nextY += Math.ceil (holder['news' + j]._height) + 2;
} else {
nextY += Math.ceil (holder['news' + j]._height) + 2;
trace ("nextY=" + nextY);
}
}
unloadMovie (dtLoader);
viser._visible = 0;
}
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