specialpurpose/pos/src/org/ofbiz/pos/component/PosButtonWrapper.java - ofbiz - Git at Google

 /*******************************************************************************
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
  * regarding copyright ownership.  The ASF licenses this file
  * to you under the Apache License, Version 2.0 (the
  * "License"); you may not use this file except in compliance
  * with the License.  You may obtain a copy of the License at
  *
  * http://www.apache.org/licenses/LICENSE-2.0
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
  * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
  * KIND, either express or implied.  See the License for the
  * specific language governing permissions and limitations
  * under the License.
  *******************************************************************************/
 package org.ofbiz.pos.component;

 import java.awt.Font;
 import java.awt.FontMetrics;
 import java.awt.Graphics;
 import javax.swing.border.Border;

 import net.xoetrope.swing.XButton;
 import net.xoetrope.xui.XProjectManager;
 import net.xoetrope.xui.style.XStyle;

 import org.ofbiz.base.util.Debug;
 import org.ofbiz.base.util.UtilValidate;

 public class PosButtonWrapper {

     public static final String module = PosButtonWrapper.class.getName();
     private static final String prefix = "<html><center><font color=\"${FCOLOR}\">";
     private static final String suffix = "</font></center></html>";

     private static final String disabledAll = "buttonDisabled";
     private static final String enabledMenu = "posButton";

     protected XStyle disabledStyle = null;
     protected XStyle enabledStyle = null;
     protected XButton xbutton = null;

     protected boolean isEnabled = true;
     protected String origText = null;
     protected String name = null;

     public PosButtonWrapper(XButton button, String styleName) {
         this.xbutton = button;
         this.name = xbutton.getName();
         this.origText = xbutton.getText();

         // load the disabled style
         this.disabledStyle = XProjectManager.getCurrentProject().getStyleManager().getStyle(disabledAll);
         if (this.disabledStyle == null) {
             Debug.logError("ERROR: The disabled button style \"buttonDisabled\" was not found!", module);
         }

         // load the enabled style
         if (styleName != null) {
             this.enabledStyle = XProjectManager.getCurrentProject().getStyleManager().getStyle(styleName);
             if (this.enabledStyle == null) {
                 Debug.logError("ERROR: The enabled button style \""+ styleName + "\" was not found!", module);
             }
         } else {
             this.enabledStyle = XProjectManager.getCurrentProject().getStyleManager().getStyle(enabledMenu);
             if (this.enabledStyle == null) {
                 Debug.logError("ERROR: The enabled button style \""+ enabledMenu + "\" was not found!", module);
             }
         }

         // wrap the text in HTML and set colors
         try {
             this.updateText();
         } catch (Throwable t) {
             Debug.logError(t, module);
         }
     }

     public void setEnabled(boolean enable) {
         this.isEnabled = enable;
         this.updateText();
         xbutton.setEnabled(enable);
     }

     public void updateText() {
         // no text to output; nothing to do
         if (UtilValidate.isEmpty(this.origText)) {
             return;
         }

         StringBuffer newContent = new StringBuffer();
         XStyle style = null;
         if (this.isEnabled) {
             style = enabledStyle;
         } else {
             style = disabledStyle;
         }

         // get the hex color for the current style
         String fcolor = Integer.toHexString(style.getStyleAsColor(XStyle.COLOR_FORE).getRGB() & 0x00ffffff);
         xbutton.setBackground(style.getStyleAsColor(XStyle.COLOR_BACK));

         // add the # for the HTML color
         if (fcolor.equals("0")) {
             fcolor = "#000000";
         } else {
             fcolor = "#" + fcolor;
         }

         // get the additional styles
         boolean isItalic = false;
         boolean isBold = false;
         if (style.getStyleAsInt(XStyle.FONT_WEIGHT) > 0) {
             isBold = true;
         }
         if (style.getStyleAsInt(XStyle.FONT_ITALIC) > 0) {
             isItalic = true;
         }

         // open with prefix (opening tags)
         newContent.append(prefix.replaceAll("\\$\\{FCOLOR\\}", fcolor));

         // add in additional styles
         if (isBold) {
             newContent.append("<b>");
         }
         if (isItalic) {
             newContent.append("<i>");
         }

         // the actual wrapped text
         newContent.append(wrapText(origText, "<BR>", 0));


         // close the additional styles
         if (isItalic) {
             newContent.append("</i>");
         }
         if (isBold) {
             newContent.append("</b>");
         }

         // append the suffix (closing tags)
         newContent.append(suffix);

         // set the button font
         Font font = xbutton.getFont().deriveFont(Font.PLAIN);
         xbutton.setFont(font);

         // update the button text
         xbutton.setRolloverEnabled(false);
         xbutton.setText(newContent.toString());

         //Debug.logInfo("Button [" + name + "] = " + xbutton.getText(), module);
     }

     public String wrapText(String text, String newLine, int padding) {
         // nothing to do
         if (UtilValidate.isEmpty(text)) {
             return "";
         }

         FontMetrics fm = xbutton.getFontMetrics(xbutton.getFont());
         Graphics g = xbutton.getGraphics();
         Border b = xbutton.getBorder();
         StringBuffer buf = new StringBuffer();

         int leftBorder = b.getBorderInsets(xbutton).left;
         int rightBorder = b.getBorderInsets(xbutton).right;
         int topBorder = b.getBorderInsets(xbutton).top;
         int bottomBorder = b.getBorderInsets(xbutton).bottom;

         int padWidth = ((int) (fm.getStringBounds((new char[] {(char) 32}), 0, 1, g).getWidth()) * padding);
         int butWidth = (((xbutton.getSize().width) - leftBorder - rightBorder) - padWidth);
         int maxLines = ((xbutton.getSize().height - topBorder - bottomBorder) / fm.getHeight());
         int strWidth = (int) fm.getStringBounds(text, g).getWidth();

         if (strWidth <= butWidth) {
             return text;
         }

         // if not we need to wrap the text
         int lineNumber = 0;
         while (text.length() > 0) {
             int thisPosition = this.getMaxStrIndex(fm, g, text, butWidth);
             int space = -1;
             String line = null;

             // the end of the string has been reached
             if (thisPosition == text.length()) {
                 line = text;
                 buf.append(line);
                 text = "";
                 break;
             }

             line = text.substring(0, thisPosition);
             space = line.lastIndexOf(32); // last space

             // we can only wrap if :
             // 1) we have a space available
             // 2) the next character is a space
             if (space == -1 && (text.charAt(thisPosition)) != 32) {
                 buf.append(text);
                 break;
             } else {
                 if (space != -1) {
                     // we found a space; use that location to wrap
                     thisPosition = space;
                     line = line.substring(0, thisPosition);

                     // move forward one to trim off the space
                     thisPosition++;
                 }

                 // increment the line counter; we've added a line
                 lineNumber++;

                 // make sure we don't have too many lines;
                 // if so, trim it down ...
                 if (lineNumber >= maxLines) {
                     int dotWidth = (int) fm.getStringBounds("...", g).getWidth();
                     int maxLineIdx = this.getMaxStrIndex(fm, g, text, (butWidth - dotWidth));
                     line = text.substring(0, maxLineIdx);
                     buf.append(line);
                     buf.append("...");
                     break;
                 } else {
                     text = text.substring(thisPosition);
                     buf.append(line);
                     buf.append(newLine);
                 }
             }
         }

         return buf.toString();
     }

     private int getMaxStrIndex(FontMetrics fm, Graphics g, String str, int width) {
         for (int i = str.length(); i > 0; i--) {
             double widthTest = fm.getStringBounds(str.substring(0, i), g).getWidth();
             if (widthTest < width) {
                 return i;
             }
         }
         return str.length();
     }
 }
	/*******************************************************************************
	* Licensed to the Apache Software Foundation (ASF) under one
	* or more contributor license agreements. See the NOTICE file
	* distributed with this work for additional information
	* regarding copyright ownership. The ASF licenses this file
	* to you under the Apache License, Version 2.0 (the
	* "License"); you may not use this file except in compliance
	* with the License. You may obtain a copy of the License at
	*
	* http://www.apache.org/licenses/LICENSE-2.0
	*
	* Unless required by applicable law or agreed to in writing,
	* software distributed under the License is distributed on an
	* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
	* KIND, either express or implied. See the License for the
	* specific language governing permissions and limitations
	* under the License.
	*******************************************************************************/
	package org.ofbiz.pos.component;

	import java.awt.Font;
	import java.awt.FontMetrics;
	import java.awt.Graphics;
	import javax.swing.border.Border;

	import net.xoetrope.swing.XButton;
	import net.xoetrope.xui.XProjectManager;
	import net.xoetrope.xui.style.XStyle;

	import org.ofbiz.base.util.Debug;
	import org.ofbiz.base.util.UtilValidate;

	public class PosButtonWrapper {

	public static final String module = PosButtonWrapper.class.getName();
	private static final String prefix = "<html><center><font color=\"${FCOLOR}\">";
	private static final String suffix = "</font></center></html>";

	private static final String disabledAll = "buttonDisabled";
	private static final String enabledMenu = "posButton";

	protected XStyle disabledStyle = null;
	protected XStyle enabledStyle = null;
	protected XButton xbutton = null;

	protected boolean isEnabled = true;
	protected String origText = null;
	protected String name = null;

	public PosButtonWrapper(XButton button, String styleName) {
	this.xbutton = button;
	this.name = xbutton.getName();
	this.origText = xbutton.getText();

	// load the disabled style
	this.disabledStyle = XProjectManager.getCurrentProject().getStyleManager().getStyle(disabledAll);
	if (this.disabledStyle == null) {
	Debug.logError("ERROR: The disabled button style \"buttonDisabled\" was not found!", module);
	}

	// load the enabled style
	if (styleName != null) {
	this.enabledStyle = XProjectManager.getCurrentProject().getStyleManager().getStyle(styleName);
	if (this.enabledStyle == null) {
	Debug.logError("ERROR: The enabled button style \""+ styleName + "\" was not found!", module);
	}
	} else {
	this.enabledStyle = XProjectManager.getCurrentProject().getStyleManager().getStyle(enabledMenu);
	if (this.enabledStyle == null) {
	Debug.logError("ERROR: The enabled button style \""+ enabledMenu + "\" was not found!", module);
	}
	}

	// wrap the text in HTML and set colors
	try {
	this.updateText();
	} catch (Throwable t) {
	Debug.logError(t, module);
	}
	}

	public void setEnabled(boolean enable) {
	this.isEnabled = enable;
	this.updateText();
	xbutton.setEnabled(enable);
	}

	public void updateText() {
	// no text to output; nothing to do
	if (UtilValidate.isEmpty(this.origText)) {
	return;
	}

	StringBuffer newContent = new StringBuffer();
	XStyle style = null;
	if (this.isEnabled) {
	style = enabledStyle;
	} else {
	style = disabledStyle;
	}

	// get the hex color for the current style
	String fcolor = Integer.toHexString(style.getStyleAsColor(XStyle.COLOR_FORE).getRGB() & 0x00ffffff);
	xbutton.setBackground(style.getStyleAsColor(XStyle.COLOR_BACK));

	// add the # for the HTML color
	if (fcolor.equals("0")) {
	fcolor = "#000000";
	} else {
	fcolor = "#" + fcolor;
	}

	// get the additional styles
	boolean isItalic = false;
	boolean isBold = false;
	if (style.getStyleAsInt(XStyle.FONT_WEIGHT) > 0) {
	isBold = true;
	}
	if (style.getStyleAsInt(XStyle.FONT_ITALIC) > 0) {
	isItalic = true;
	}

	// open with prefix (opening tags)
	newContent.append(prefix.replaceAll("\\$\\{FCOLOR\\}", fcolor));

	// add in additional styles
	if (isBold) {
	newContent.append("<b>");
	}
	if (isItalic) {
	newContent.append("<i>");
	}

	// the actual wrapped text
	newContent.append(wrapText(origText, "<BR>", 0));


	// close the additional styles
	if (isItalic) {
	newContent.append("</i>");
	}
	if (isBold) {
	newContent.append("</b>");
	}

	// append the suffix (closing tags)
	newContent.append(suffix);

	// set the button font
	Font font = xbutton.getFont().deriveFont(Font.PLAIN);
	xbutton.setFont(font);

	// update the button text
	xbutton.setRolloverEnabled(false);
	xbutton.setText(newContent.toString());

	//Debug.logInfo("Button [" + name + "] = " + xbutton.getText(), module);
	}

	public String wrapText(String text, String newLine, int padding) {
	// nothing to do
	if (UtilValidate.isEmpty(text)) {
	return "";
	}

	FontMetrics fm = xbutton.getFontMetrics(xbutton.getFont());
	Graphics g = xbutton.getGraphics();
	Border b = xbutton.getBorder();
	StringBuffer buf = new StringBuffer();

	int leftBorder = b.getBorderInsets(xbutton).left;
	int rightBorder = b.getBorderInsets(xbutton).right;
	int topBorder = b.getBorderInsets(xbutton).top;
	int bottomBorder = b.getBorderInsets(xbutton).bottom;

	int padWidth = ((int) (fm.getStringBounds((new char[] {(char) 32}), 0, 1, g).getWidth()) * padding);
	int butWidth = (((xbutton.getSize().width) - leftBorder - rightBorder) - padWidth);
	int maxLines = ((xbutton.getSize().height - topBorder - bottomBorder) / fm.getHeight());
	int strWidth = (int) fm.getStringBounds(text, g).getWidth();

	if (strWidth <= butWidth) {
	return text;
	}

	// if not we need to wrap the text
	int lineNumber = 0;
	while (text.length() > 0) {
	int thisPosition = this.getMaxStrIndex(fm, g, text, butWidth);
	int space = -1;
	String line = null;

	// the end of the string has been reached
	if (thisPosition == text.length()) {
	line = text;
	buf.append(line);
	text = "";
	break;
	}

	line = text.substring(0, thisPosition);
	space = line.lastIndexOf(32); // last space

	// we can only wrap if :
	// 1) we have a space available
	// 2) the next character is a space
	if (space == -1 && (text.charAt(thisPosition)) != 32) {
	buf.append(text);
	break;
	} else {
	if (space != -1) {
	// we found a space; use that location to wrap
	thisPosition = space;
	line = line.substring(0, thisPosition);

	// move forward one to trim off the space
	thisPosition++;
	}

	// increment the line counter; we've added a line
	lineNumber++;

	// make sure we don't have too many lines;
	// if so, trim it down ...
	if (lineNumber >= maxLines) {
	int dotWidth = (int) fm.getStringBounds("...", g).getWidth();
	int maxLineIdx = this.getMaxStrIndex(fm, g, text, (butWidth - dotWidth));
	line = text.substring(0, maxLineIdx);
	buf.append(line);
	buf.append("...");
	break;
	} else {
	text = text.substring(thisPosition);
	buf.append(line);
	buf.append(newLine);
	}
	}
	}

	return buf.toString();
	}

	private int getMaxStrIndex(FontMetrics fm, Graphics g, String str, int width) {
	for (int i = str.length(); i > 0; i--) {
	double widthTest = fm.getStringBounds(str.substring(0, i), g).getWidth();
	if (widthTest < width) {
	return i;
	}
	}
	return str.length();
	}
	}