ESH/assets/dhtmlxCombo/samples/events/combo_events.html
2024-10-23 18:28:06 +05:30

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<modified date="070101"/>
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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
<head>
<title>Events</title>
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window.dhx_globalImgPath="../../codebase/imgs/";
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<link rel="STYLESHEET" type="text/css" href="../../codebase/dhtmlxcombo.css">
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<td width="150" align="left" nowrap="true">Sample: dhtmlxCombo</td>
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<td width="0" align="left" nowrap><b>Events</b></td>
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<p>Combo provides four events:<br/>
- onChange - event called when combo value changed, <br/>
- onKeyPressed - event called when key pressed inside combo: has keyCode as the parameter, <br/>
- onSelectionChange - event called when preselected value inside combo change,<br/>
- onBlur - event called when focus moved out from combo.<br/>
Event handlers can be set using attachEvent method</p>
<table>
<tr>
<td>
<div id="combo_zone2" style="width:250px; height:30px;"></div>
</td>
</tr>
<tr>
<td>
<div id="logarea" style="background-color:lightgrey;height:218px;width:250px; overflow:auto"></div>
</td>
</tr>
</table>
<div class='sample_code'><div class="hl-main"><pre><span class="hl-code">
</span><span class="hl-identifier">combo</span><span class="hl-code">.</span><span class="hl-identifier">attachEvent</span><span class="hl-brackets">(</span><span class="hl-quotes">&quot;</span><span class="hl-string">onChange</span><span class="hl-quotes">&quot;</span><span class="hl-code">,</span><span class="hl-identifier">onChangeFunc</span><span class="hl-brackets">)</span><span class="hl-code">;
</span><span class="hl-identifier">combo</span><span class="hl-code">.</span><span class="hl-identifier">attachEvent</span><span class="hl-brackets">(</span><span class="hl-quotes">&quot;</span><span class="hl-string">onKeyPressed</span><span class="hl-quotes">&quot;</span><span class="hl-code">,</span><span class="hl-identifier">onKeyPressedFunc</span><span class="hl-brackets">)</span><span class="hl-code">;
</span><span class="hl-identifier">combo</span><span class="hl-code">.</span><span class="hl-identifier">attachEvent</span><span class="hl-brackets">(</span><span class="hl-quotes">&quot;</span><span class="hl-string">onSelectionChange</span><span class="hl-quotes">&quot;</span><span class="hl-code">,</span><span class="hl-identifier">onSelectionChangeFunc</span><span class="hl-brackets">)</span><span class="hl-code">;
</span><span class="hl-identifier">combo</span><span class="hl-code">.</span><span class="hl-identifier">attachEvent</span><span class="hl-brackets">(</span><span class="hl-quotes">&quot;</span><span class="hl-string">onBlur</span><span class="hl-quotes">&quot;</span><span class="hl-code">,</span><span class="hl-identifier">onBlurFunc</span><span class="hl-brackets">)</span><span class="hl-code">;
</span><span class="hl-reserved">function</span><span class="hl-code"> </span><span class="hl-identifier">onKeyPressedFunc</span><span class="hl-brackets">(</span><span class="hl-identifier">key</span><span class="hl-brackets">)</span><span class="hl-brackets">{</span><span class="hl-code">
</span><span class="hl-identifier">doLog</span><span class="hl-brackets">(</span><span class="hl-quotes">&quot;</span><span class="hl-string">Key </span><span class="hl-quotes">&quot;</span><span class="hl-code"> +</span><span class="hl-identifier">key</span><span class="hl-code">+</span><span class="hl-quotes">&quot;</span><span class="hl-string"> was pressed</span><span class="hl-quotes">&quot;</span><span class="hl-brackets">)</span><span class="hl-code">;
</span><span class="hl-brackets">}</span></pre></div></div>
<script>
var combo =new dhtmlXCombo("combo_zone2","alfa2",250);
combo.loadXML("data.xml");
function doLog(str){
var log = document.getElementById("logarea");
log.innerHTML = log.innerHTML+str+"</br>"
log.scrollTop = log.scrollHeight;
}
combo.attachEvent("onChange",onChangeFunc);
combo.attachEvent("onKeyPressed",onKeyPressedFunc);
combo.attachEvent("onSelectionChange",onSelectionChangeFunc);
combo.attachEvent("onBlur",onBlurFunc);
function onChangeFunc(){
doLog("" +'onChange'+" event has occured");
return true;
}
function onKeyPressedFunc(key){
doLog("Key " +key+" was pressed");
return true;
}
function onSelectionChangeFunc(){
doLog("Selection was changed");
return true;
}
function onBlurFunc(){
doLog("" +'onBlur'+" event has occured");
return true;
}
</script>
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