public Document(final String str, final CellAttributes defaultColor) {
this.defaultColor = defaultColor;
- // TODO: set different colors based on file extension
+ // Set colors to resemble the Borland IDE colors, but for Java
+ // language keywords.
highlighter.setJavaColors();
String [] rawLines = str.split("\n");
return dirty;
}
+ /**
+ * Unset the dirty flag.
+ */
+ public void setNotDirty() {
+ dirty = false;
+ }
+
/**
* Save contents to file.
*
return lines.get(lineNumber).getCursor();
}
+ /**
+ * Get the character at the current cursor position in the text.
+ *
+ * @return the character, or -1 if the cursor is at the end of the line
+ */
+ public int getChar() {
+ return lines.get(lineNumber).getChar();
+ }
+
/**
* Set the current cursor position of the editing line. 0-based.
*
}
/**
- * Decrement the cursor by one. If at the first column, do nothing.
+ * Decrement the cursor by one. If at the first column on the first
+ * line, do nothing.
*
* @return true if the cursor position changed
*/
}
/**
- * Increment the cursor by one. If at the last column, do nothing.
+ * Increment the cursor by one. If at the last column on the last line,
+ * do nothing.
*
* @return true if the cursor position changed
*/
return true;
}
+ /**
+ * Go back to the beginning of this word if in the middle, or the
+ * beginning of the previous word.
+ */
+ public void backwardsWord() {
+
+ // If at the beginning of a word already, push past it.
+ if ((getChar() != -1)
+ && (getRawLine().length() > 0)
+ && !Character.isWhitespace((char) getChar())
+ ) {
+ left();
+ }
+
+ // int line = lineNumber;
+ while ((getChar() == -1)
+ || (getRawLine().length() == 0)
+ || Character.isWhitespace((char) getChar())
+ ) {
+ if (left() == false) {
+ return;
+ }
+ }
+
+
+ assert (getChar() != -1);
+
+ if (!Character.isWhitespace((char) getChar())
+ && (getRawLine().length() > 0)
+ ) {
+ // Advance until at the beginning of the document or a whitespace
+ // is encountered.
+ while (!Character.isWhitespace((char) getChar())) {
+ int line = lineNumber;
+ if (left() == false) {
+ // End of document, bail out.
+ return;
+ }
+ if (lineNumber != line) {
+ // We wrapped a line. Here that counts as whitespace.
+ right();
+ return;
+ }
+ }
+ }
+
+ // We went one past the word, push back to the first character of
+ // that word.
+ right();
+ return;
+ }
+
+ /**
+ * Go to the beginning of the next word.
+ */
+ public void forwardsWord() {
+ int line = lineNumber;
+ while ((getChar() == -1)
+ || (getRawLine().length() == 0)
+ ) {
+ if (right() == false) {
+ return;
+ }
+ if (lineNumber != line) {
+ // We wrapped a line. Here that counts as whitespace.
+ if (!Character.isWhitespace((char) getChar())) {
+ // We found a character immediately after the line.
+ // Done!
+ return;
+ }
+ // Still looking...
+ line = lineNumber;
+ }
+ }
+ assert (getChar() != -1);
+
+ if (!Character.isWhitespace((char) getChar())
+ && (getRawLine().length() > 0)
+ ) {
+ // Advance until at the end of the document or a whitespace is
+ // encountered.
+ while (!Character.isWhitespace((char) getChar())) {
+ line = lineNumber;
+ if (right() == false) {
+ // End of document, bail out.
+ return;
+ }
+ if (lineNumber != line) {
+ // We wrapped a line. Here that counts as whitespace.
+ if (!Character.isWhitespace((char) getChar())
+ && (getRawLine().length() > 0)
+ ) {
+ // We found a character immediately after the line.
+ // Done!
+ return;
+ }
+ break;
+ }
+ }
+ }
+
+ while ((getChar() == -1)
+ || (getRawLine().length() == 0)
+ ) {
+ if (right() == false) {
+ return;
+ }
+ if (lineNumber != line) {
+ // We wrapped a line. Here that counts as whitespace.
+ if (!Character.isWhitespace((char) getChar())) {
+ // We found a character immediately after the line.
+ // Done!
+ return;
+ }
+ // Still looking...
+ line = lineNumber;
+ }
+ }
+ assert (getChar() != -1);
+
+ if (Character.isWhitespace((char) getChar())) {
+ // Advance until at the end of the document or a non-whitespace
+ // is encountered.
+ while (Character.isWhitespace((char) getChar())) {
+ if (right() == false) {
+ // End of document, bail out.
+ return;
+ }
+ }
+ return;
+ }
+
+ // We wrapped the line to get here.
+ return;
+ }
+
+ /**
+ * Get the raw string that matches this line.
+ *
+ * @return the string
+ */
+ public String getRawLine() {
+ return lines.get(lineNumber).getRawString();
+ }
+
/**
* Go to the first column of this line.
*
*/
public void enter() {
dirty = true;
- int cursor = lines.get(lineNumber).getCursor();
+ int cursor = lines.get(lineNumber).getRawCursor();
String original = lines.get(lineNumber).getRawString();
String firstLine = original.substring(0, cursor);
String secondLine = original.substring(cursor);
*
* @param ch the character to replace or insert
*/
- public void addChar(final char ch) {
+ public void addChar(final int ch) {
dirty = true;
if (overwrite) {
lines.get(lineNumber).replaceChar(ch);
return lines.get(lineNumber).getDisplayLength();
}
+ /**
+ * Get the entire contents of the document as one string.
+ *
+ * @return the document contents
+ */
+ public String getText() {
+ StringBuilder sb = new StringBuilder();
+ for (Line line: getLines()) {
+ sb.append(line.getRawString());
+ sb.append("\n");
+ }
+ return sb.toString();
+ }
+
}