Validator for ExtJS Checkbox

February 20th, 2009 · 7 Comments

Very unfortunately ExtJS doesn’t offer a validator for its checkbox component. Normally a validator checks whether a field is valid and takes care of displaying an error message if not. For a checkbox we would like that to happen if the checkbox is not selected. Overriding the validate function of the checkbox we can provide [...]

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Generic error handler for ExtJS

February 9th, 2009 · 8 Comments

When you are doing client/server communication with ExtJS you probably run into the problem that you want to handle server side errors in a generic way. A solution that I found is to override the handleFailure function in the Ext.data.Connection class: Ext.data.Connection.prototype._handleFailure = Ext.data.Connection.prototype.handleFailure; Ext.data.Connection.prototype.handleFailure = function(response, e) { var errorText = Ext.DomQuery.selectValue("Reason/Text", response.responseXML, "Unknown [...]

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