com.scudata.cellset.datamodel.NormalCell Maven / Gradle / Ivy

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SPL(Structured Process Language) A programming language specially for structured data computing.
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package com.scudata.cellset.datamodel;

import java.io.IOException;
import java.io.ObjectInput;
import java.io.ObjectOutput;

import com.scudata.cellset.ICellSet;
import com.scudata.cellset.INormalCell;
import com.scudata.common.ByteArrayInputRecord;
import com.scudata.common.ByteArrayOutputRecord;
import com.scudata.common.ByteMap;
import com.scudata.common.CellLocation;

abstract public class NormalCell implements INormalCell {
	private static final long serialVersionUID = 0x02010014;

	// ??Ԫ??????
	public final static int TYPE_CALCULABLE_CELL  = 0x00000001; // ????? =
	public final static int TYPE_CALCULABLE_BLOCK = 0x00000002; // ????? ==
	public final static int TYPE_EXECUTABLE_CELL  = 0x00000004; // ִ?и? >
	public final static int TYPE_EXECUTABLE_BLOCK = 0x00000008; // ִ?п? >>
	public final static int TYPE_COMMAND_CELL     = 0x00000010; // ????
	public final static int TYPE_CONST_CELL       = 0x00000020; // ??????
	public final static int TYPE_NOTE_CELL        = 0x00000040; // ע?͸? /
	public final static int TYPE_NOTE_BLOCK       = 0x00000080; // ע?Ϳ? //
	public final static int TYPE_BLANK_CELL       = 0x00000100; // ?հ׸?

	protected CellSet cs;
	protected int row;
	protected int col;
	protected String expStr; // ????ʽ?ַ???
	protected String tip;

	protected Object value;

	/**
	 * ???л?ʱʹ??
	 */
	public NormalCell() {
	}

	/**
	 * ??????Ԫ??
	 * @param cs CellSet ??Ԫ????????????
	 * @param r int ?к?
	 * @param c int ?к?
	 */
	public NormalCell(CellSet cs, int r, int c) {
		row = r;
		col = c;
		this.cs = cs;
	}

	/**
	 * ȡ?õ?ǰ??Ԫ????к?
	 * @return int
	 */
	public int getRow() {
		return row;
	}

	/**
	 * ȡ?õ?ǰ??Ԫ????к?
	 * @return int
	 */
	public int getCol() {
		return col;
	}

	/**
	 * ???õ?ǰ???к?
	 * @param r int
	 */
	public void setRow(int r) {
		row = r;
	}

	/**
	 * ???õ?ǰ???к?
	 * @param c int
	 */
	public void setCol(int c) {
		col = c;
	}

	/**
	 * ???õ?Ԫ????????????
	 * @param cs ICellSet
	 */
	public void setCellSet(ICellSet cs) {
		this.cs = (CellSet)cs;
	}

	/**
	 * ???ص?Ԫ????????????
	 * @return ICellSet
	 */
	public ICellSet getCellSet() {
		return cs;
	}

	/**
	 * ???ص?Ԫ???ʶ
	 * @return String
	 */
	public String getCellId() {
		return CellLocation.getCellId(row, col);
	}

	/**
	 * ???õ?Ԫ?????ʽ
	 * @param exp String
	 */
	public void setExpString(String exp) {
		this.expStr = exp;
	}

	/**
	 * @return String ???ص?Ԫ?????ʽ
	 */
	public String getExpString() {
		return expStr;
	}

	/**
	 * ???õ?Ԫ??ֵ
	 * @param value Object
	 */
	public void setValue(Object value) {
		this.value = value;
	}

	/**
	 * ???ص?Ԫ??ֵ??û?м????򷵻ؿ?
	 * @return Object
	 */
	public Object getValue() {
		return value;
	}

	/**
	 * ???ص?Ԫ??ֵ??û?м??????????
	 * @param doCalc boolean
	 * @return Object
	 */
	abstract public Object getValue(boolean doCalc);

	/**
	 * д???ݵ???
	 * @param out ObjectOutput ?????
	 * @throws IOException
	 */
	public void writeExternal(ObjectOutput out) throws IOException {
		out.writeByte(2);

		out.writeObject(cs);
		out.writeInt(row);
		out.writeInt(col);
		out.writeObject(expStr);
		out.writeObject(tip);
		out.writeObject(value);
	}

	/**
	 * ?????ж?????
	 * @param in ObjectInput ??????
	 * @throws IOException
	 * @throws ClassNotFoundException
	 */
	public void readExternal(ObjectInput in) throws IOException, ClassNotFoundException {
		in.readByte(); // ?汾

		cs = (CellSet) in.readObject();
		row = in.readInt();
		col = in.readInt();
		setExpString((String)in.readObject());
		tip = (String)in.readObject();
		value = in.readObject();
	}

	/**
	 * д???ݵ???
	 * @throws IOException
	 * @return ?????
	 */
	public byte[] serialize() throws IOException{
		ByteArrayOutputRecord out = new ByteArrayOutputRecord();

		// cellset
		out.writeInt(row);
		out.writeInt(col);
		out.writeString(expStr);
		out.writeString(tip);
		return out.toByteArray();
	}

	/**
	 * ?????ж?????
	 * @param buf byte[]
	 * @throws IOException
	 * @throws ClassNotFoundException
	 */
	public void fillRecord(byte[] buf) throws IOException, ClassNotFoundException {
		ByteArrayInputRecord in = new ByteArrayInputRecord(buf);

		// cellset??CellSet?????
		row = in.readInt();
		col = in.readInt();
		setExpString(in.readString());
		tip = in.readString();
	}

	/**
	 * ????˵?Ԫ??
	 */
	abstract public void calculate();

	/**
	 * ???赥Ԫ??״̬Ϊ??ʼ״̬
	 */
	abstract public void reset();

	/**
	 * ???ص?Ԫ??????
	 * @return int
	 */
	abstract public int getType();

	/**
	 * ?????Ƿ??Ǽ????
	 * @return boolean
	 */
	abstract public boolean isCalculableBlock();

	/**
	 * ?????Ƿ??Ǽ????
	 * @return boolean
	 */
	abstract public boolean isCalculableCell();

	/**
	 * ???ص?Ԫ???Ƿ???Ҫ??????ʽ??Ǩ
	 * @return boolean
	 */
	abstract protected boolean needRegulateString();

	/**
	 * undoʱ?ָ??????Ĵ???????
	 */
	public void undoErrorRef() {
		cs.setCell(row, col, this);
	}

	protected ByteMap getExpMap(boolean isClone) {
		return null;
	}

	protected void setExpMap(ByteMap map) {
	}

	/**
	 * ???õ?Ԫ????ʾ
	 * @param tip String
	 */
	public void setTip(String tip) {
		this.tip = tip;
	}

	/**
	 * ???ص?Ԫ????ʾ
	 * @return String
	 */
	public String getTip() {
		return tip;
	}
}