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Viewing changes to dhis-2/dhis-web/dhis-web-validationrule/src/main/webapp/dhis-web-validationrule/javascript/expression.js

  • Committer: larshelge at gmail
  • Date: 2009-03-03 16:46:36 UTC
  • Revision ID: larshelge@gmail.com-20090303164636-2sjlrquo7ib1gf7r
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dhis-2/dhis-web/dhis-web-validationrule/src/main/webapp/dhis-web-validationrule/javascript/expression.js
 
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function showEditLeftSideExpressionForm()
 
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{
 
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        var description = htmlEncode( document.getElementById( "leftSideDescription" ).value );
 
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        var expression = htmlEncode( document.getElementById( "leftSideExpression" ).value );
 
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        var textualExpression = htmlEncode( document.getElementById( "leftSideTextualExpression" ).value );
 
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        showExpressionForm( "left", description, expression, textualExpression );
 
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}
 
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function showEditRightSideExpressionForm()
 
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{
 
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        var description = htmlEncode( document.getElementById( "rightSideDescription" ).value );
 
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        var expression = htmlEncode( document.getElementById( "rightSideExpression" ).value );
 
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        var textualExpression = htmlEncode( document.getElementById( "rightSideTextualExpression" ).value );
 
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        showExpressionForm( "right", description, expression, textualExpression );
 
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}
 
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function showExpressionForm( side, description, expression, textualExpression )
 
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{
 
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        var url = "showEditExpressionForm.action?side=" + side +                
 
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                "&description=" + description +
 
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                "&expression=" + expression +
 
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                "&textualExpression=" + textualExpression;
 
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    var dialog = window.open( url, "_blank", "directories=no, \
 
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        height=560, width=790, location=no, menubar=no, status=no, \
 
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        toolbar=no, resizable=no");
 
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}
 
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function insertText( inputAreaName, inputText )
 
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{
 
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        var inputArea = document.getElementById( inputAreaName );
 
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        var startPos = inputArea.selectionStart;
 
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        var endPos = inputArea.selectionEnd;
 
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        var existingText = inputArea.value;
 
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        var textBefore = existingText.substring( 0, startPos );
 
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        var textAfter = existingText.substring( endPos, existingText.length );
 
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        inputArea.value = textBefore + inputText + textAfter;
 
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        updateTextualExpression( inputAreaName );       
 
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}
 
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function filterDataElements( dataElementGroupSelectName, filterName )
 
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{
 
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        var dataElementGroup = document.getElementById( dataElementGroupSelectName );
 
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        var dataElementGroupId = dataElementGroup.options[ dataElementGroup.selectedIndex ].value;
 
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        var filter = htmlEncode( document.getElementById( filterName ).value );
 
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        var url = "getFilteredDataElements.action?dataElementGroupId=" + dataElementGroupId + "&filter=" + filter;
 
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    var request = new Request();
 
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        request.setResponseTypeXML( 'operand' );
 
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    request.setCallbackSuccess( getFilteredDataElementsReceived );
 
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    request.send( url );
 
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}
 
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function getFilteredDataElementsReceived( xmlObject )
 
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{
 
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        var operandList = document.getElementById( "dataElementId" );
 
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        operandList.options.length = 0;
 
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        var operands = xmlObject.getElementsByTagName( "operand" );
 
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        for ( var i = 0; i < operands.length; i++)
 
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        {
 
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                var id = operands[ i ].getElementsByTagName( "id" )[0].firstChild.nodeValue;
 
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                var elementName = operands[ i ].getElementsByTagName( "name" )[0].firstChild.nodeValue;
 
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                var option = document.createElement( "option" );
 
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                option.value = "[" + id + "]";
 
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                option.text = elementName;
 
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                operandList.add( option, null );        
 
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        }
 
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}
 
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function updateTextualExpression( expressionFieldName )
 
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{       
 
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        var expression = htmlEncode( document.getElementById( expressionFieldName ).value );
 
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        var url = "getTextualExpression.action?expression=" + expression;
 
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        var request = new Request();
 
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        request.setCallbackSuccess( updateTextualExpressionReceived );
 
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    request.send( url );
 
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}
 
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function updateTextualExpressionReceived( messageElement )
 
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{
 
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        document.getElementById( "textualExpression" ).innerHTML = messageElement;
 
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}
 
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function validateExpression()
 
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{
 
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        var description = htmlEncode( document.getElementById( "description" ).value );
 
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        var expression = htmlEncode( document.getElementById( "expression" ).value );
 
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    var url = "validateExpression.action?description=" + description + "&expression=" + expression;
 
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    var request = new Request();
 
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    request.setResponseTypeXML( "message" );
 
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    request.setCallbackSuccess( validateExpressionReceived );
 
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    request.send( url );    
 
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}
 
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function validateExpressionReceived( xmlObject )
 
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{
 
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    var type = xmlObject.getAttribute( 'type' );
 
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    var message = xmlObject.firstChild.nodeValue;
 
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    if ( type == "success" )
 
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    {
 
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        saveExpression();
 
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    }
 
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    else if ( type == "error" )
 
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    {
 
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        document.getElementById( "textualExpression" ).innerHTML = message;
 
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    }   
 
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}
 
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function saveExpression()
 
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{
 
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    var description = document.getElementById( "description" ).value;
 
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    var expression = document.getElementById( "expression" ).value;
 
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    var textualDescription = document.getElementById( "textualExpression" ).innerHTML;
 
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    var side = htmlEncode( document.getElementById( "side" ).value );
 
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    if ( window.opener && !window.opener.closed )
 
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    {
 
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            if ( side == "left" )
 
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            {
 
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                window.opener.document.getElementById( "leftSideDescription" ).value = description;
 
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                        window.opener.document.getElementById( "leftSideExpression" ).value = expression;
 
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                        window.opener.document.getElementById( "leftSideTextualExpression" ).value = textualDescription;
 
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                }
 
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                else if ( side == "right" )
 
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                {
 
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                        window.opener.document.getElementById( "rightSideDescription" ).value = description;
 
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                        window.opener.document.getElementById( "rightSideExpression" ).value = expression;
 
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                        window.opener.document.getElementById( "rightSideTextualExpression" ).value = textualDescription;
 
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                }
 
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    }
 
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    window.close();
 
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}