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POMaking JSF buttons which act like "Backspace" and "Enter" Keys for an inputTextArea?
 

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  1. POMaking JSF buttons which act like "Backspace" and "Enter" Keys for an inputTextArea?
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    <p><strong>UPDATE:</strong> I updated here for clarity, instead of writing in the comments or making an answer post.</p> <p>This is a piece of how the code those buttons will operate upon looks:</p> <p>I made the buttons like this:</p> <pre><code> &lt;h:commandButton value="Delete" onclick="return addBackspace();"&gt; &lt;f:ajax execute="@form" render="formula"/&gt; &lt;/h:commandButton&gt; //the backspace button </code></pre> <p>The textArea:</p> <pre><code> &lt;h:inputTextarea id="formula" value="#{output.formula}" /&gt; </code></pre> <p>I made some simple buttons which would write their value to the textArea so the user sees the formula as he builds it: </p> <pre><code> &lt;h:commandButton value="+ " onclick="return checkButtons(this.value);"&gt; &lt;f:ajax execute="@form" render="formula"/&gt; &lt;/h:commandButton&gt; </code></pre> <p>I'm not entirely sure about the ajax part i put in there, used it to stop the page refresh on every click.</p> <p>And the selectBoxes I use which have some hardcoded values now but will eventually be filled with data taken from a WS.</p> <pre><code> Property: &lt;h:selectOneMenu value ="#{output.propertyReferenceValue}" id="selectTwo" onchange="return checkItem(this.value);"&gt; &lt;f:selectItems value="#{property.propertyReference.keySet()}"/&gt; &lt;/h:selectOneMenu&gt; </code></pre> <p>Now if i make the textArea disabled or readOnly, I'm still able to write the content of the selctBoxes in it(which is good) but if i try the simple buttons like "+" their value will just appear quickly and then dissapear just as fast. If i try the backspace , it will delete the whole content of the textArea, same if i put some of the content of the selectboxes in the textArea and then if I click the "+" button (for example), the whole content of the area will be deleted. I'm still digging through the code to see what it is that makes it behave this way :)</p> <p><strong>END OF UPDATE</strong></p> <p>Would it be possible to make some commandButtons in JSF which will operate on an inputTextArea just like the "Enter" and "Backspace" keys? For example:</p> <p>The "Enter Button" when pressed, will move the cursor to a new line of the textArea. The "Backspace Button" will delete the next letter or space which is behind the cursor.</p> <p>I've been searching for a while , but i seem to find only details on how to make all the text dissapear.</p> <p>Thanks, Daniel</p>
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    1. COWell I've managed to make the "Enter button" like this: document.getElementById("texAreaId").value +="\n"; . Still trying to work out the "Backspace button"
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