public static String[] breakLine(String s, Paint paint, int i) {
String as[] = {};
if (s != null && i >= 0) {
ArrayList arraylist = new ArrayList();
int j = 0;
int k = s.length();
int l = 1;
int i1 = paint.breakText(s, 0, k, true, i, null);
do {
if (j + i1 > k) {
arraylist.add(s.substring(j, j + i1));
as = (String[]) arraylist.toArray(new String[l]);
return as;
}
l++;
int j1 = s.lastIndexOf(' ', j + i1);
if (j1 > j) {
arraylist.add(s.substring(j, j1));
j = j1 + 1;
} else {
arraylist.add(s.substring(j, j + i1));
j += i1;
}
i1 = paint.breakText(s, j, k, true, i, null);
} while (true);
}
return as;
}
/**
* Draws the chart legend.
*
* @param canvas the canvas to paint to
* @param renderer the series renderer
* @param titles the titles to go to the legend
* @param left the left X value of the area to draw to
* @param right the right X value of the area to draw to
* @param y the y value of the area to draw to
* @param width the width of the area to draw to
* @param height the height of the area to draw to
* @param legendSize the legend size
* @param paint the paint to be used for drawing
* @param calculate if only calculating the legend size
* @return the legend height
*/
protected int drawLegend(
Canvas canvas,
DefaultRenderer renderer,
String[] titles,
int left,
int right,
int y,
int width,
int height,
int legendSize,
Paint paint,
boolean calculate) {
float size = 32;
if (renderer.isShowLegend()) {
float currentX = left;
float currentY = y + height - legendSize + size;
paint.setTextAlign(Align.LEFT);
paint.setTextSize(renderer.getLegendTextSize());
int sLength = Math.min(titles.length, renderer.getSeriesRendererCount());
for (int i = 0; i < sLength; i++) {
final float lineSize = getLegendShapeWidth(i);
String text = titles[i];
if (titles.length == renderer.getSeriesRendererCount()) {
paint.setColor(renderer.getSeriesRendererAt(i).getColor());
} else {
paint.setColor(Color.LTGRAY);
}
float[] widths = new float[text.length()];
paint.getTextWidths(text, widths);
float sum = 0;
for (float value : widths) {
sum += value;
}
float extraSize = lineSize + 10 + sum;
float currentWidth = currentX + extraSize;
if (i > 0 && getExceed(currentWidth, renderer, right, width)) {
currentX = left;
currentY += renderer.getLegendTextSize();
size += renderer.getLegendTextSize();
currentWidth = currentX + extraSize;
}
if (getExceed(currentWidth, renderer, right, width)) {
float maxWidth = right - currentX - lineSize - 10;
if (isVertical(renderer)) {
maxWidth = width - currentX - lineSize - 10;
}
int nr = paint.breakText(text, true, maxWidth, widths);
text = text.substring(0, nr) + "...";
}
if (!calculate) {
drawLegendShape(canvas, renderer.getSeriesRendererAt(i), currentX, currentY, i, paint);
drawString(canvas, text, currentX + lineSize + 5, currentY + 5, paint);
}
currentX += extraSize;
}
}
return Math.round(size + renderer.getLegendTextSize());
}
/*
* Breaks the given String into string with line breaks at needed positions.
*/
private static final Object[] getBreakerText(String temp, int width, Paint toCheck) {
StringBuilder parts = new StringBuilder();
temp = temp.trim().replace("\u00AD", "");
int rowCount = 0;
do {
int length = toCheck.breakText(temp, true, width, null);
float measured = toCheck.measureText(temp);
if (length < temp.length() && measured >= width) {
int bestBreak = temp.lastIndexOf("-", length - 1);
if (bestBreak == -1) {
bestBreak = temp.lastIndexOf(" ", length - 1);
}
if (bestBreak == -1) {
bestBreak = temp.lastIndexOf(",", length - 1);
}
if (bestBreak == -1) {
bestBreak = temp.lastIndexOf("/", length - 1);
}
if (bestBreak > 0) {
parts.append(temp.substring(0, bestBreak + 1).trim()).append("\n");
temp = temp.substring(bestBreak + 1).trim();
} else {
parts.append(temp.substring(0, length - 1).trim()).append("\n");
temp = temp.substring(length - 1).trim();
}
} else {
parts.append(temp);
temp = "";
}
rowCount++;
} while (!temp.trim().isEmpty());
return new Object[] {parts.toString(), rowCount};
}
protected Vector<String> pageDown() {
String strParagraph = "";
Vector<String> lines = new Vector<String>();
while (lines.size() < mLineCount && m_mbBufEnd < m_mbBufLen) {
byte[] paraBuf = readParagraphForward(m_mbBufEnd); // 读取一个段落
m_mbBufEnd += paraBuf.length;
try {
strParagraph = new String(paraBuf, m_strCharsetName);
} catch (UnsupportedEncodingException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
String strReturn = "";
if (strParagraph.indexOf("\r\n") != -1) {
strReturn = "\r\n";
strParagraph = strParagraph.replaceAll("\r\n", "");
} else if (strParagraph.indexOf("\n") != -1) {
strReturn = "\n";
strParagraph = strParagraph.replaceAll("\n", "");
}
if (strParagraph.length() == 0) {
lines.add(strParagraph);
}
while (strParagraph.length() > 0) {
int nSize = mPaint.breakText(strParagraph, true, mVisibleWidth, null);
lines.add(strParagraph.substring(0, nSize));
strParagraph = strParagraph.substring(nSize);
if (lines.size() >= mLineCount) {
break;
}
}
if (strParagraph.length() != 0) {
try {
m_mbBufEnd -= (strParagraph + strReturn).getBytes(m_strCharsetName).length;
} catch (UnsupportedEncodingException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}
}
return lines;
}
protected void pageUp() {
if (m_mbBufBegin < 0) m_mbBufBegin = 0;
Vector<String> lines = new Vector<String>();
String strParagraph = "";
while (lines.size() < mLineCount && m_mbBufBegin > 0) {
Vector<String> paraLines = new Vector<String>();
byte[] paraBuf = readParagraphBack(m_mbBufBegin);
m_mbBufBegin -= paraBuf.length;
try {
strParagraph = new String(paraBuf, m_strCharsetName);
} catch (UnsupportedEncodingException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
strParagraph = strParagraph.replaceAll("\r\n", "");
strParagraph = strParagraph.replaceAll("\n", "");
if (strParagraph.length() == 0) {
paraLines.add(strParagraph);
}
while (strParagraph.length() > 0) {
int nSize = mPaint.breakText(strParagraph, true, mVisibleWidth, null);
paraLines.add(strParagraph.substring(0, nSize));
strParagraph = strParagraph.substring(nSize);
}
lines.addAll(0, paraLines);
}
while (lines.size() > mLineCount) {
try {
m_mbBufBegin += lines.get(0).getBytes(m_strCharsetName).length;
lines.remove(0);
} catch (UnsupportedEncodingException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}
m_mbBufEnd = m_mbBufBegin;
return;
}