X-Git-Url: http://git.ithinksw.org/extjs.git/blobdiff_plain/b37ceabb82336ee82757cd32efe353cfab8ec267..f5240829880f87e0cf581c6a296e436fdef0ef80:/examples/docs/source/FileUploadField.html
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+
+
+
+ The source code
+
+
+
+
+ /*!
+ * Ext JS Library 3.3.0
+ * Copyright(c) 2006-2010 Ext JS, Inc.
+ * licensing@extjs.com
+ * http://www.extjs.com/license
+ */
+Ext.ns('Ext.ux.form');
+
+/**
+ * @class Ext.ux.form.FileUploadField
+ * @extends Ext.form.TextField
+ * Creates a file upload field.
+ * @xtype fileuploadfield
+ */
+Ext.ux.form.FileUploadField = Ext.extend(Ext.form.TextField, {
+ /**
+ * @cfg {String} buttonText The button text to display on the upload button (defaults to
+ * 'Browse...'). Note that if you supply a value for {@link #buttonCfg}, the buttonCfg.text
+ * value will be used instead if available.
+ */
+ buttonText: 'Browse...',
+ /**
+ * @cfg {Boolean} buttonOnly True to display the file upload field as a button with no visible
+ * text field (defaults to false). If true, all inherited TextField members will still be available.
+ */
+ buttonOnly: false,
+ /**
+ * @cfg {Number} buttonOffset The number of pixels of space reserved between the button and the text field
+ * (defaults to 3). Note that this only applies if {@link #buttonOnly} = false.
+ */
+ buttonOffset: 3,
+ /**
+ * @cfg {Object} buttonCfg A standard {@link Ext.Button} config object.
+ */
+
+ // private
+ readOnly: true,
+
+ /**
+ * @hide
+ * @method autoSize
+ */
+ autoSize: Ext.emptyFn,
+
+ // private
+ initComponent: function(){
+ Ext.ux.form.FileUploadField.superclass.initComponent.call(this);
+
+ this.addEvents(
+ /**
+ * @event fileselected
+ * Fires when the underlying file input field's value has changed from the user
+ * selecting a new file from the system file selection dialog.
+ * @param {Ext.ux.form.FileUploadField} this
+ * @param {String} value The file value returned by the underlying file input field
+ */
+ 'fileselected'
+ );
+ },
+
+ // private
+ onRender : function(ct, position){
+ Ext.ux.form.FileUploadField.superclass.onRender.call(this, ct, position);
+
+ this.wrap = this.el.wrap({cls:'x-form-field-wrap x-form-file-wrap'});
+ this.el.addClass('x-form-file-text');
+ this.el.dom.removeAttribute('name');
+ this.createFileInput();
+
+ var btnCfg = Ext.applyIf(this.buttonCfg || {}, {
+ text: this.buttonText
+ });
+ this.button = new Ext.Button(Ext.apply(btnCfg, {
+ renderTo: this.wrap,
+ cls: 'x-form-file-btn' + (btnCfg.iconCls ? ' x-btn-icon' : '')
+ }));
+
+ if(this.buttonOnly){
+ this.el.hide();
+ this.wrap.setWidth(this.button.getEl().getWidth());
+ }
+
+ this.bindListeners();
+ this.resizeEl = this.positionEl = this.wrap;
+ },
+
+ bindListeners: function(){
+ this.fileInput.on({
+ scope: this,
+ mouseenter: function() {
+ this.button.addClass(['x-btn-over','x-btn-focus'])
+ },
+ mouseleave: function(){
+ this.button.removeClass(['x-btn-over','x-btn-focus','x-btn-click'])
+ },
+ mousedown: function(){
+ this.button.addClass('x-btn-click')
+ },
+ mouseup: function(){
+ this.button.removeClass(['x-btn-over','x-btn-focus','x-btn-click'])
+ },
+ change: function(){
+ var v = this.fileInput.dom.value;
+ this.setValue(v);
+ this.fireEvent('fileselected', this, v);
+ }
+ });
+ },
+
+ createFileInput : function() {
+ this.fileInput = this.wrap.createChild({
+ id: this.getFileInputId(),
+ name: this.name||this.getId(),
+ cls: 'x-form-file',
+ tag: 'input',
+ type: 'file',
+ size: 1
+ });
+ },
+
+ reset : function(){
+ this.fileInput.remove();
+ this.createFileInput();
+ this.bindListeners();
+ Ext.ux.form.FileUploadField.superclass.reset.call(this);
+ },
+
+ // private
+ getFileInputId: function(){
+ return this.id + '-file';
+ },
+
+ // private
+ onResize : function(w, h){
+ Ext.ux.form.FileUploadField.superclass.onResize.call(this, w, h);
+
+ this.wrap.setWidth(w);
+
+ if(!this.buttonOnly){
+ var w = this.wrap.getWidth() - this.button.getEl().getWidth() - this.buttonOffset;
+ this.el.setWidth(w);
+ }
+ },
+
+ // private
+ onDestroy: function(){
+ Ext.ux.form.FileUploadField.superclass.onDestroy.call(this);
+ Ext.destroy(this.fileInput, this.button, this.wrap);
+ },
+
+ onDisable: function(){
+ Ext.ux.form.FileUploadField.superclass.onDisable.call(this);
+ this.doDisable(true);
+ },
+
+ onEnable: function(){
+ Ext.ux.form.FileUploadField.superclass.onEnable.call(this);
+ this.doDisable(false);
+
+ },
+
+ // private
+ doDisable: function(disabled){
+ this.fileInput.dom.disabled = disabled;
+ this.button.setDisabled(disabled);
+ },
+
+
+ // private
+ preFocus : Ext.emptyFn,
+
+ // private
+ alignErrorIcon : function(){
+ this.errorIcon.alignTo(this.wrap, 'tl-tr', [2, 0]);
+ }
+
+});
+
+Ext.reg('fileuploadfield', Ext.ux.form.FileUploadField);
+
+// backwards compat
+Ext.form.FileUploadField = Ext.ux.form.FileUploadField;
+
+
+
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