/* * Smart GWT (GWT for SmartClient) * Copyright 2008 and beyond, Isomorphic Software, Inc. * * Smart GWT is free software; you can redistribute it and/or modify it * under the terms of the GNU Lesser General Public License version 3 * as published by the Free Software Foundation. Smart GWT is also * available under typical commercial license terms - see * http://smartclient.com/license * * This software is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * Lesser General Public License for more details. */ package com.smartgwt.client.widgets.form.fields; import com.smartgwt.client.event.*; import com.smartgwt.client.core.*; import com.smartgwt.client.types.*; import com.smartgwt.client.data.*; import com.smartgwt.client.data.events.*; import com.smartgwt.client.rpc.*; import com.smartgwt.client.widgets.*; import com.smartgwt.client.widgets.events.*; import com.smartgwt.client.widgets.form.*; import com.smartgwt.client.widgets.form.validator.*; import com.smartgwt.client.widgets.form.fields.*; import com.smartgwt.client.widgets.tile.*; import com.smartgwt.client.widgets.tile.events.*; import com.smartgwt.client.widgets.grid.*; import com.smartgwt.client.widgets.grid.events.*; import com.smartgwt.client.widgets.chart.*; import com.smartgwt.client.widgets.layout.*; import com.smartgwt.client.widgets.layout.events.*; import com.smartgwt.client.widgets.menu.*; import com.smartgwt.client.widgets.tab.*; import com.smartgwt.client.widgets.toolbar.*; import com.smartgwt.client.widgets.tree.*; import com.smartgwt.client.widgets.tree.events.*; import com.smartgwt.client.widgets.viewer.*; import com.smartgwt.client.widgets.calendar.*; import com.smartgwt.client.widgets.calendar.events.*; import com.smartgwt.client.widgets.cube.*; import java.util.Date; import java.util.List; import java.util.Map; import java.util.HashMap; import com.google.gwt.user.client.ui.Widget; import com.google.gwt.core.client.JavaScriptObject; import com.google.gwt.user.client.Element; import com.smartgwt.client.util.*; import com.google.gwt.event.shared.*; import com.google.gwt.event.shared.HasHandlers; /** * Class for editable multi-line text areas (uses HTML <code><TEXTAREA></code> object) */ public class TextAreaItem extends FormItem { public static TextAreaItem getOrCreateRef(JavaScriptObject jsObj) { if(jsObj == null) return null; RefDataClass obj = RefDataClass.getRef(jsObj); if(obj != null) { obj.setJsObj(jsObj); return (TextAreaItem) obj; } else { return new TextAreaItem(jsObj); } } public TextAreaItem(){ setAttribute("editorType", "TextAreaItem"); } public TextAreaItem(JavaScriptObject jsObj){ super(jsObj); } public TextAreaItem(String name) { setName(name); setAttribute("editorType", "TextAreaItem"); } public TextAreaItem(String name, String title) { setName(name); setTitle(title); setAttribute("editorType", "TextAreaItem"); } // ********************* Properties / Attributes *********************** /** * Should this form item fire its {@link com.smartgwt.client.widgets.form.fields.FormItem#addChangeHandler change} handler * (and store its value in the form) on every keypress? Set to <code>false</code> to suppress the 'change' handler firing * (and the value stored) on every keypress. <p> Note: If <code>false</code>, the value returned by {@link * com.smartgwt.client.widgets.form.fields.FormItem#getValue getValue} will not reflect the value displayed in the form * item element as long as focus is in the form item element. * * @param changeOnKeypress changeOnKeypress Default value is true */ public void setChangeOnKeypress(Boolean changeOnKeypress) { setAttribute("changeOnKeypress", changeOnKeypress); } /** * Should this form item fire its {@link com.smartgwt.client.widgets.form.fields.FormItem#addChangeHandler change} handler * (and store its value in the form) on every keypress? Set to <code>false</code> to suppress the 'change' handler firing * (and the value stored) on every keypress. <p> Note: If <code>false</code>, the value returned by {@link * com.smartgwt.client.widgets.form.fields.FormItem#getValue getValue} will not reflect the value displayed in the form * item element as long as focus is in the form item element. * * * @return Boolean */ public Boolean getChangeOnKeypress() { return getAttributeAsBoolean("changeOnKeypress"); } /** * default height of this item * * @param height height Default value is 100 * @see com.smartgwt.client.docs.Appearance Appearance overview and related methods */ public void setHeight(int height) { setAttribute("height", height); } /** * default height of this item * * * @return int * @see com.smartgwt.client.docs.Appearance Appearance overview and related methods */ public int getHeight() { return getAttributeAsInt("height"); } /** * Align icons with the top edge of text area icons by default. * * @param iconVAlign iconVAlign Default value is Canvas.TOP */ public void setIconVAlign(VerticalAlignment iconVAlign) { setAttribute("iconVAlign", iconVAlign == null ? null : iconVAlign.getValue()); } /** * Align icons with the top edge of text area icons by default. * * * @return VerticalAlignment */ public VerticalAlignment getIconVAlign() { return EnumUtil.getEnum(VerticalAlignment.values(), getAttribute("iconVAlign")); } /** * Minimum valid height for this TextAreaItem in px. If the specified {@link * com.smartgwt.client.widgets.form.fields.TextAreaItem#getHeight height} is less than this value, the text area will still * render at this height. * * @param minHeight minHeight Default value is 16 */ public void setMinHeight(int minHeight) { setAttribute("minHeight", minHeight); } /** * Minimum valid height for this TextAreaItem in px. If the specified {@link * com.smartgwt.client.widgets.form.fields.TextAreaItem#getHeight height} is less than this value, the text area will still * render at this height. * * * @return int */ public int getMinHeight() { return getAttributeAsInt("minHeight"); } /** * When generating a print-view of the component containing this TextArea, should the form item expand to accommodate its * value? If set to false the text box not expand to fit its content in the print view, instead showing exactly as it does * in the live form, possibly with scrollbars. * * @param printFullText printFullText Default value is true * @see com.smartgwt.client.docs.Printing Printing overview and related methods */ public void setPrintFullText(Boolean printFullText) { setAttribute("printFullText", printFullText); } /** * When generating a print-view of the component containing this TextArea, should the form item expand to accommodate its * value? If set to false the text box not expand to fit its content in the print view, instead showing exactly as it does * in the live form, possibly with scrollbars. * * * @return Boolean * @see com.smartgwt.client.docs.Printing Printing overview and related methods */ public Boolean getPrintFullText() { return getAttributeAsBoolean("printFullText"); } /** * Allows the {@link com.smartgwt.client.widgets.form.DynamicForm#getSelectOnFocus selectOnFocus} behavior to be configured * on a per-FormItem basis. Normally all items in a form default to the value of {@link * com.smartgwt.client.widgets.form.DynamicForm#getSelectOnFocus selectOnFocus}. * * @param selectOnFocus selectOnFocus Default value is null * @see com.smartgwt.client.docs.Focus Focus overview and related methods */ public void setSelectOnFocus(Boolean selectOnFocus) { setAttribute("selectOnFocus", selectOnFocus); } /** * Allows the {@link com.smartgwt.client.widgets.form.DynamicForm#getSelectOnFocus selectOnFocus} behavior to be configured * on a per-FormItem basis. Normally all items in a form default to the value of {@link * com.smartgwt.client.widgets.form.DynamicForm#getSelectOnFocus selectOnFocus}. * * * @return Boolean * @see com.smartgwt.client.docs.Focus Focus overview and related methods */ public Boolean getSelectOnFocus() { return getAttributeAsBoolean("selectOnFocus"); } /** * If showing hint for this form item, should it be shown within the field? <P>CSS style for the hint is {@link * com.smartgwt.client.widgets.form.fields.TextAreaItem#getTextBoxStyle textBoxStyle} with the suffix "Hint" appended to * it. * <p><b>Note : </b> This is an advanced setting</p> * * @param showHintInField showHintInField Default value is null * @see com.smartgwt.client.widgets.form.fields.FormItem#setHint * @see com.smartgwt.client.docs.Appearance Appearance overview and related methods */ public void setShowHintInField(Boolean showHintInField) { setAttribute("showHintInField", showHintInField); } /** * If showing hint for this form item, should it be shown within the field? <P>CSS style for the hint is {@link * com.smartgwt.client.widgets.form.fields.TextAreaItem#getTextBoxStyle textBoxStyle} with the suffix "Hint" appended to * it. * * * @return Boolean * @see com.smartgwt.client.widgets.form.fields.FormItem#getHint * @see com.smartgwt.client.docs.Appearance Appearance overview and related methods */ public Boolean getShowHintInField() { return getAttributeAsBoolean("showHintInField"); } /** * Base CSS class to apply to this item's input element. NOTE: See the {@link CompoundFormItem_skinning} discussion for * special skinning considerations. * * @param textBoxStyle textBoxStyle Default value is "textItem" * @see com.smartgwt.client.docs.Appearance Appearance overview and related methods */ public void setTextBoxStyle(String textBoxStyle) { setAttribute("textBoxStyle", textBoxStyle); } /** * Base CSS class to apply to this item's input element. NOTE: See the {@link CompoundFormItem_skinning} discussion for * special skinning considerations. * * * @return String * @see com.smartgwt.client.docs.Appearance Appearance overview and related methods */ public String getTextBoxStyle() { return getAttributeAsString("textBoxStyle"); } /** * default width of this item * * @param width width Default value is 150 * @see com.smartgwt.client.docs.Appearance Appearance overview and related methods */ public void setWidth(int width) { setAttribute("width", width); } /** * default width of this item * * * @return int * @see com.smartgwt.client.docs.Appearance Appearance overview and related methods */ public int getWidth() { return getAttributeAsInt("width"); } // ********************* Methods *********************** /** * If this item currently has focus, clear the current selection. leaving focus in the item. Has no effect if the item is * undrawn or unfocused. Only applies to text-based items. */ public native void deselectValue() /*-{ var self = this.@com.smartgwt.client.core.DataClass::getJsObj()(); self.deselectValue(); }-*/; /** * If this item currently has focus, clear the current selection. leaving focus in the item. Has no effect if the item is * undrawn or unfocused. Only applies to text-based items. * @param start By default the text insertion cursor will be moved to the end of the current value - pass in this parameter to move to * the start instead */ public native void deselectValue(boolean start) /*-{ var self = this.@com.smartgwt.client.core.DataClass::getJsObj()(); self.deselectValue(start); }-*/; /** * Returns the raw text value typed into this form field, which can differ from {@link * com.smartgwt.client.widgets.form.fields.FormItem#getValue FormItem.getValue} in various cases - for example: <ul> * <li>for items that constrain the value range, such as a {@link com.smartgwt.client.widgets.form.fields.DateItem} with * {@link com.smartgwt.client.widgets.form.fields.DateItem#getEnforceDate enforceDate}:true, or a {@link * com.smartgwt.client.widgets.form.fields.ComboBoxItem} with {@link * com.smartgwt.client.widgets.form.fields.ComboBoxItem#getAddUnknownValues addUnknownValues}:false</li> <li>for items with * a defined valueMap or edit value formatter and parser functions which converts display value to data value</li> * <li>while the item has focus if {@link com.smartgwt.client.widgets.form.fields.TextAreaItem#getChangeOnKeypress * changeOnKeypress} is false </li></ul> * * @return current entered value */ public native String getEnteredValue() /*-{ var self = this.@com.smartgwt.client.core.DataClass::getJsObj()(); return self.getEnteredValue(); }-*/; /** * Put focus in this item and select the entire value. Only applies to text based items */ public native void selectValue() /*-{ var self = this.@com.smartgwt.client.core.DataClass::getJsObj()(); self.selectValue(); }-*/; /** * Puts focus into this form item and selects characters between the given indices. Only applies to drawn text based items. * @param start selection starting character index * @param end end of selection character index */ public native void setSelectionRange(int start, int end) /*-{ var self = this.@com.smartgwt.client.core.DataClass::getJsObj()(); self.setSelectionRange(start, end); }-*/; // ********************* Static Methods *********************** // *********************************************************** /** * Set the length. * * @param length the length */ public void setLength(Integer length) { setAttribute("length", length); } /** * Return the length. * * @return the length */ public Integer getLength() { return getAttributeAsInt("length"); } /** * Text wrapping style. * * @param wrap wrap Default value is {@link TextAreaWrap#SOFT} */ public void setWrap(TextAreaWrap wrap) { setAttribute("wrap", wrap.getValue()); } /** * Text wrapping style. * * @return TextAreaWrap */ public TextAreaWrap getWrap() { return EnumUtil.getEnum(TextAreaWrap.values(), getAttribute("wrap")); } /** * For text-based items, this method returns the indices of the start/end of the current selection. Returns null if the * item doesn't have focus. * * @return 2 element array showing character index of the current selection's start and end point within this item's value. May be * null if the item doesn't have focus. */ public native int[] getSelectionRange() /*-{ var self = this.@com.smartgwt.client.core.DataClass::getJsObj()(); var selection = self.getSelectionRange(); return selection == null || selection === undefined ? null : @com.smartgwt.client.util.JSOHelper::convertToJavaIntArray(Lcom/google/gwt/core/client/JavaScriptObject;)(selection); }-*/; /** * Return the value tracked by this form item. * * @return value of this element */ public native String getValueAsString() /*-{ var self = this.@com.smartgwt.client.core.DataClass::getJsObj()(); var ret; if(self.setValue) { ret = self.getValue(); } else { ret = self.value; } return ret == null || ret === undefined ? null : ret.toString(); }-*/; }