X-Git-Url: http://git.ithinksw.org/extjs.git/blobdiff_plain/7a654f8d43fdb43d78b63d90528bed6e86b608cc..refs/heads/master:/docs/source/Number2.html diff --git a/docs/source/Number2.html b/docs/source/Number2.html index 7ca733ec..9d9dd686 100644 --- a/docs/source/Number2.html +++ b/docs/source/Number2.html @@ -1,58 +1,358 @@ -Sencha Documentation Project
/**
- * @class Ext.grid.column.Number
- * @extends Ext.grid.column.Column
- *
- * A Column definition class which renders a numeric data field according to a {@link #format} string.
- *
- * {@img Ext.grid.column.Number/Ext.grid.column.Number.png Ext.grid.column.Number cell editing}
- *
- * ## Code
- *     Ext.create('Ext.data.Store', {
- *        storeId:'sampleStore',
- *        fields:[
- *            {name: 'symbol', type: 'string'},
- *            {name: 'price', type: 'number'},
- *            {name: 'change', type: 'number'},
- *            {name: 'volume', type: 'number'},            
- *        ],
- *        data:[
- *            {symbol:"msft", price:25.76, change:2.43, volume:61606325},
- *            {symbol:"goog", price:525.73, change:0.81, volume:3053782},
- *            {symbol:"apple", price:342.41, change:1.35, volume:24484858},            
- *            {symbol:"sencha", price:142.08, change:8.85, volume:5556351}            
- *        ]
+
+
+
+  
+  The source code
+  
+  
+  
+  
+
+
+  
/**
+ * @docauthor Jason Johnston <jason@sencha.com>
+ *
+ * A numeric text field that provides automatic keystroke filtering to disallow non-numeric characters,
+ * and numeric validation to limit the value to a range of valid numbers. The range of acceptable number
+ * values can be controlled by setting the {@link #minValue} and {@link #maxValue} configs, and fractional
+ * decimals can be disallowed by setting {@link #allowDecimals} to `false`.
+ *
+ * By default, the number field is also rendered with a set of up/down spinner buttons and has
+ * up/down arrow key and mouse wheel event listeners attached for incrementing/decrementing the value by the
+ * {@link #step} value. To hide the spinner buttons set `{@link #hideTrigger hideTrigger}:true`; to disable
+ * the arrow key and mouse wheel handlers set `{@link #keyNavEnabled keyNavEnabled}:false` and
+ * `{@link #mouseWheelEnabled mouseWheelEnabled}:false`. See the example below.
+ *
+ * # Example usage
+ *
+ *     @example
+ *     Ext.create('Ext.form.Panel', {
+ *         title: 'On The Wall',
+ *         width: 300,
+ *         bodyPadding: 10,
+ *         renderTo: Ext.getBody(),
+ *         items: [{
+ *             xtype: 'numberfield',
+ *             anchor: '100%',
+ *             name: 'bottles',
+ *             fieldLabel: 'Bottles of Beer',
+ *             value: 99,
+ *             maxValue: 99,
+ *             minValue: 0
+ *         }],
+ *         buttons: [{
+ *             text: 'Take one down, pass it around',
+ *             handler: function() {
+ *                 this.up('form').down('[name=bottles]').spinDown();
+ *             }
+ *         }]
  *     });
- *     
- *     Ext.create('Ext.grid.Panel', {
- *         title: 'Number Column Demo',
- *         store: Ext.data.StoreManager.lookup('sampleStore'),
- *         columns: [
- *             {text: 'Symbol',  dataIndex: 'symbol', flex: 1},
- *             {text: 'Current Price',  dataIndex: 'price', renderer: Ext.util.Format.usMoney},
- *             {text: 'Change',  dataIndex: 'change', xtype: 'numbercolumn', format:'0.00'},
- *             {text: 'Volume',  dataIndex: 'volume', xtype: 'numbercolumn', format:'0,000'}
- *         ],
- *         height: 200,
- *         width: 400,
- *         renderTo: Ext.getBody()
+ *
+ * # Removing UI Enhancements
+ *
+ *     @example
+ *     Ext.create('Ext.form.Panel', {
+ *         title: 'Personal Info',
+ *         width: 300,
+ *         bodyPadding: 10,
+ *         renderTo: Ext.getBody(),
+ *         items: [{
+ *             xtype: 'numberfield',
+ *             anchor: '100%',
+ *             name: 'age',
+ *             fieldLabel: 'Age',
+ *             minValue: 0, //prevents negative numbers
+ *
+ *             // Remove spinner buttons, and arrow key and mouse wheel listeners
+ *             hideTrigger: true,
+ *             keyNavEnabled: false,
+ *             mouseWheelEnabled: false
+ *         }]
+ *     });
+ *
+ * # Using Step
+ *
+ *     @example
+ *     Ext.create('Ext.form.Panel', {
+ *         renderTo: Ext.getBody(),
+ *         title: 'Step',
+ *         width: 300,
+ *         bodyPadding: 10,
+ *         items: [{
+ *             xtype: 'numberfield',
+ *             anchor: '100%',
+ *             name: 'evens',
+ *             fieldLabel: 'Even Numbers',
+ *
+ *             // Set step so it skips every other number
+ *             step: 2,
+ *             value: 0,
+ *
+ *             // Add change handler to force user-entered numbers to evens
+ *             listeners: {
+ *                 change: function(field, value) {
+ *                     value = parseInt(value, 10);
+ *                     field.setValue(value + value % 2);
+ *                 }
+ *             }
+ *         }]
  *     });
- * 
- * @xtype numbercolumn
  */
-Ext.define('Ext.grid.column.Number', {
-    extend: 'Ext.grid.column.Column',
-    alias: ['widget.numbercolumn'],
-    requires: ['Ext.util.Format'],
-    alternateClassName: 'Ext.grid.NumberColumn',
-
-    /**
-     * @cfg {String} format
-     * A formatting string as used by {@link Ext.util.Format#number} to format a numeric value for this Column
-     * (defaults to <code>'0,000.00'</code>).
-     */
-    format : '0,000.00',
-    constructor: function(cfg) {
-        this.callParent(arguments);
-        this.renderer = Ext.util.Format.numberRenderer(this.format);
+Ext.define('Ext.form.field.Number', {
+    extend:'Ext.form.field.Spinner',
+    alias: 'widget.numberfield',
+    alternateClassName: ['Ext.form.NumberField', 'Ext.form.Number'],
+
+    /**
+     * @cfg {RegExp} stripCharsRe @hide
+     */
+    /**
+     * @cfg {RegExp} maskRe @hide
+     */
+
+    /**
+     * @cfg {Boolean} allowDecimals
+     * False to disallow decimal values
+     */
+    allowDecimals : true,
+
+    /**
+     * @cfg {String} decimalSeparator
+     * Character(s) to allow as the decimal separator
+     */
+    decimalSeparator : '.',
+
+    /**
+     * @cfg {Number} decimalPrecision
+     * The maximum precision to display after the decimal separator
+     */
+    decimalPrecision : 2,
+
+    /**
+     * @cfg {Number} minValue
+     * The minimum allowed value (defaults to Number.NEGATIVE_INFINITY). Will be used by the field's validation logic,
+     * and for {@link Ext.form.field.Spinner#setSpinUpEnabled enabling/disabling the down spinner button}.
+     */
+    minValue: Number.NEGATIVE_INFINITY,
+
+    /**
+     * @cfg {Number} maxValue
+     * The maximum allowed value (defaults to Number.MAX_VALUE). Will be used by the field's validation logic, and for
+     * {@link Ext.form.field.Spinner#setSpinUpEnabled enabling/disabling the up spinner button}.
+     */
+    maxValue: Number.MAX_VALUE,
+
+    /**
+     * @cfg {Number} step
+     * Specifies a numeric interval by which the field's value will be incremented or decremented when the user invokes
+     * the spinner.
+     */
+    step: 1,
+
+    /**
+     * @cfg {String} minText
+     * Error text to display if the minimum value validation fails.
+     */
+    minText : 'The minimum value for this field is {0}',
+
+    /**
+     * @cfg {String} maxText
+     * Error text to display if the maximum value validation fails.
+     */
+    maxText : 'The maximum value for this field is {0}',
+
+    /**
+     * @cfg {String} nanText
+     * Error text to display if the value is not a valid number. For example, this can happen if a valid character like
+     * '.' or '-' is left in the field with no number.
+     */
+    nanText : '{0} is not a valid number',
+
+    /**
+     * @cfg {String} negativeText
+     * Error text to display if the value is negative and {@link #minValue} is set to 0. This is used instead of the
+     * {@link #minText} in that circumstance only.
+     */
+    negativeText : 'The value cannot be negative',
+
+    /**
+     * @cfg {String} baseChars
+     * The base set of characters to evaluate as valid numbers.
+     */
+    baseChars : '0123456789',
+
+    /**
+     * @cfg {Boolean} autoStripChars
+     * True to automatically strip not allowed characters from the field.
+     */
+    autoStripChars: false,
+
+    initComponent: function() {
+        var me = this,
+            allowed;
+
+        me.callParent();
+
+        me.setMinValue(me.minValue);
+        me.setMaxValue(me.maxValue);
+
+        // Build regexes for masking and stripping based on the configured options
+        if (me.disableKeyFilter !== true) {
+            allowed = me.baseChars + '';
+            if (me.allowDecimals) {
+                allowed += me.decimalSeparator;
+            }
+            if (me.minValue < 0) {
+                allowed += '-';
+            }
+            allowed = Ext.String.escapeRegex(allowed);
+            me.maskRe = new RegExp('[' + allowed + ']');
+            if (me.autoStripChars) {
+                me.stripCharsRe = new RegExp('[^' + allowed + ']', 'gi');
+            }
+        }
+    },
+
+    /**
+     * Runs all of Number's validations and returns an array of any errors. Note that this first runs Text's
+     * validations, so the returned array is an amalgamation of all field errors. The additional validations run test
+     * that the value is a number, and that it is within the configured min and max values.
+     * @param {Object} [value] The value to get errors for (defaults to the current field value)
+     * @return {String[]} All validation errors for this field
+     */
+    getErrors: function(value) {
+        var me = this,
+            errors = me.callParent(arguments),
+            format = Ext.String.format,
+            num;
+
+        value = Ext.isDefined(value) ? value : this.processRawValue(this.getRawValue());
+
+        if (value.length < 1) { // if it's blank and textfield didn't flag it then it's valid
+             return errors;
+        }
+
+        value = String(value).replace(me.decimalSeparator, '.');
+
+        if(isNaN(value)){
+            errors.push(format(me.nanText, value));
+        }
+
+        num = me.parseValue(value);
+
+        if (me.minValue === 0 && num < 0) {
+            errors.push(this.negativeText);
+        }
+        else if (num < me.minValue) {
+            errors.push(format(me.minText, me.minValue));
+        }
+
+        if (num > me.maxValue) {
+            errors.push(format(me.maxText, me.maxValue));
+        }
+
+
+        return errors;
+    },
+
+    rawToValue: function(rawValue) {
+        var value = this.fixPrecision(this.parseValue(rawValue));
+        if (value === null) {
+            value = rawValue || null;
+        }
+        return  value;
+    },
+
+    valueToRaw: function(value) {
+        var me = this,
+            decimalSeparator = me.decimalSeparator;
+        value = me.parseValue(value);
+        value = me.fixPrecision(value);
+        value = Ext.isNumber(value) ? value : parseFloat(String(value).replace(decimalSeparator, '.'));
+        value = isNaN(value) ? '' : String(value).replace('.', decimalSeparator);
+        return value;
+    },
+
+    onChange: function() {
+        var me = this,
+            value = me.getValue(),
+            valueIsNull = value === null;
+
+        me.callParent(arguments);
+
+        // Update the spinner buttons
+        me.setSpinUpEnabled(valueIsNull || value < me.maxValue);
+        me.setSpinDownEnabled(valueIsNull || value > me.minValue);
+    },
+
+    /**
+     * Replaces any existing {@link #minValue} with the new value.
+     * @param {Number} value The minimum value
+     */
+    setMinValue : function(value) {
+        this.minValue = Ext.Number.from(value, Number.NEGATIVE_INFINITY);
+    },
+
+    /**
+     * Replaces any existing {@link #maxValue} with the new value.
+     * @param {Number} value The maximum value
+     */
+    setMaxValue: function(value) {
+        this.maxValue = Ext.Number.from(value, Number.MAX_VALUE);
+    },
+
+    // private
+    parseValue : function(value) {
+        value = parseFloat(String(value).replace(this.decimalSeparator, '.'));
+        return isNaN(value) ? null : value;
+    },
+
+    /**
+     * @private
+     */
+    fixPrecision : function(value) {
+        var me = this,
+            nan = isNaN(value),
+            precision = me.decimalPrecision;
+
+        if (nan || !value) {
+            return nan ? '' : value;
+        } else if (!me.allowDecimals || precision <= 0) {
+            precision = 0;
+        }
+
+        return parseFloat(Ext.Number.toFixed(parseFloat(value), precision));
+    },
+
+    beforeBlur : function() {
+        var me = this,
+            v = me.parseValue(me.getRawValue());
+
+        if (!Ext.isEmpty(v)) {
+            me.setValue(v);
+        }
+    },
+
+    onSpinUp: function() {
+        var me = this;
+        if (!me.readOnly) {
+            me.setValue(Ext.Number.constrain(me.getValue() + me.step, me.minValue, me.maxValue));
+        }
+    },
+
+    onSpinDown: function() {
+        var me = this;
+        if (!me.readOnly) {
+            me.setValue(Ext.Number.constrain(me.getValue() - me.step, me.minValue, me.maxValue));
+        }
     }
-});
\ No newline at end of file +}); +
+ +