subtitleviewer.java

编辑视频文件

            begintime = ann.getBeginTimeBoundary();
            endtime = ann.getEndTimeBoundary();

            // special case: if a selection (active annotation) is played, 
            // at the end mediatime == end time of active annotation. Include endtime
            // in comparison in such case
            if (((ann == getActiveAnnotation()) && (endtime == mediatime)) ||
                    ((begintime == selectionBeginTime) &&
                    (endtime == selectionEndTime) && (endtime == mediatime))) {
                bFound = true;
                strTagValue = ann.getValue();
                strTagValue = strTagValue.replace('\n', ' ');

                break;
            }

            if ((mediatime >= begintime) && (mediatime < endtime)) {
                bFound = true;
                strTagValue = ann.getValue();

                /*
                if (ann == getActiveAnnotation()) {
                    taSubtitle.setBorder(BorderFactory.createLineBorder(
                        Constants.ACTIVEANNOTATIONCOLOR));
                } else {
                    taSubtitle.setBorder(null);
                }
                */

                //next line for JDK1.4 only
                //strTagValue = strTagValue.replaceAll("\n", "");
                strTagValue = strTagValue.replace('\n', ' ');

                break;
            }
        }

        //set the appropriate text
        if (bFound) {
            try {
                taSubtitle.setText(" " + strTagValue); //+ '\u0332')
            } catch (Exception ex) {
                taSubtitle.setText("");
            }
        } else {
            taSubtitle.setText("");

            //taSubtitle.setBorder(null);
        }

        //handle colors
        if ((tier != null) && (selectionBeginTime != selectionEndTime) &&
                (mediatime >= begintime) &&
                ((mediatime < endtime) ||
                ((mediatime == endtime) && (selectionBeginTime == begintime))) &&
                (((selectionBeginTime >= begintime) &&
                (selectionBeginTime < endtime)) ||
                ((selectionEndTime >= begintime) &&
                (selectionEndTime < endtime)))) {
            try {
                highlighter.addHighlight(1, taSubtitle.getText().length(),
                    selectionPainter);
            } catch (Exception ex) {
                ex.printStackTrace();
            }
        } else {
            taSubtitle.getHighlighter().removeAllHighlights();
        }

        repaint();
    }

    /**
     * Sets the tier which is shown in the subtitle viewer
     *
     * @param tier The tier which should become visible
     */
    public void setTier(Tier tier) {
        // added by AR
        putOriginalComponentBack();

        if (tier == null) {
            this.tier = null;
            annotations = new Vector();
            doUpdate();
        } else {
            this.tier = (TierImpl) tier;

            try {
                annotations = this.tier.getAnnotations();
            } catch (Exception ex) {
                ex.printStackTrace();
            }
        }

        buildArray();
        doUpdate();
    }

    /**
     * Gets the tier which is shown in the subtitle viewer
     *
     * @return DOCUMENT ME!
     */
    public Tier getTier() {
        return tier;
    }

    /**
     * Returns the current font size.
     *
     * @return the current font size
     */
    public int getFontSize() {
        return fontSize;
    }

    /**
     * Sets the font size.
     *
     * @param size the new font size
     */
    public void setFontSize(int size) {
        fontSize = size;

        if (fontSizeBG != null) {
            Enumeration en = fontSizeBG.getElements();
            JMenuItem item;
            String value;

            while (en.hasMoreElements()) {
                item = (JMenuItem) en.nextElement();
                value = item.getText();

                try {
                    int v = Integer.parseInt(value);

                    if (v == fontSize) {
                        item.setSelected(true);
                        taSubtitle.setFont(Constants.DEFAULTFONT.deriveFont(
                                (float) fontSize));

                        break;
                    }
                } catch (NumberFormatException nfe) {
                    //// do nothing
                }
            }
        } else {
            createPopup();
            taSubtitle.setFont(Constants.DEFAULTFONT.deriveFont(
                    (float) fontSize));
        }
    }

    /**
     * Builds an array with all begintimes and endtimes from a tag Used for
     * searching (quickly) a particular tag
     */
    private void buildArray() {
        int annotations_size = annotations.size();
        arrTags = new long[2 * annotations_size];

        int arrIndex = 0;
        Annotation ann;

        for (int i = 0; i < annotations_size; i++) {
            ann = (Annotation) annotations.elementAt(i);

            begintime = ann.getBeginTimeBoundary();
            endtime = ann.getEndTimeBoundary();

            arrTags[arrIndex++] = begintime;
            arrTags[arrIndex++] = endtime;
        }
    }

    //when inline edit box disappears, it calls this method
    public void putOriginalComponentBack() {
        inlineEditBox = null;
        removeAll();
        add(jspSubtitle, BorderLayout.CENTER);
        validate();
        repaint();
    }

    /**
     * Hhandles mouse actions on the subtitle viewer
     */
    private class SubtitleViewerMouseListener extends MouseAdapter {
        private SubtitleViewer subtitleViewer;

        /**
         * Creates a new SubtitleViewerMouseListener instance
         *
         * @param sv DOCUMENT ME!
         */
        SubtitleViewerMouseListener(SubtitleViewer sv) {
            subtitleViewer = sv;
        }

        /**
         * The mouse pressed event handler.
         * @param e the mouse event
         */
        public void mousePressed(MouseEvent e) {
            if (SwingUtilities.isRightMouseButton(e) || e.isPopupTrigger()) {
                Point p = e.getPoint();
                SwingUtilities.convertPointToScreen(p, subtitleViewer);

                int x = e.getPoint().x;
                int y = e.getPoint().y;

                popup.show(subtitleViewer, x, y);

                return;
            }
        }

        /**
         * DOCUMENT ME!
         *
         * @param e DOCUMENT ME!
         */
        public void mouseClicked(MouseEvent e) {
            //bring up edit dialog
            if (e.getClickCount() == 2) {
                inlineEditBox = new InlineEditBox(subtitleViewer);

                Annotation annotation = getAnnotation();

                if (annotation != null) {
                    if (e.isShiftDown()) {
                        // open CV
                        inlineEditBox.setAnnotation(annotation, true);
                    } else {
                        inlineEditBox.setAnnotation(annotation);
                    }

                    inlineEditBox.configureEditor(JPanel.class, null, getSize());
                    removeAll();
                    add(inlineEditBox, BorderLayout.CENTER);
                    validate();

                    //repaint();
                    inlineEditBox.startEdit();
                }

                return;
            }

            if (!taSubtitle.getText().equals("")) {
                stopPlayer();
                setActiveAnnotation(getAnnotation());
            }
        }

        private Annotation getAnnotation() {
            Annotation annotation = null;

            int annotations_size = annotations.size();

            for (int i = 0; i < annotations_size; i++) {
                annotation = (Annotation) annotations.elementAt(i);

                //exact time always exists in this case
                //if (getSelectionBeginTime() == tag.getBeginTime())
                // HS 4 dec 03: the subtitle viewer always seems to show the tag
                // at the media time, if any
                if ((getMediaTime() >= annotation.getBeginTimeBoundary()) &&
                        (getMediaTime() < annotation.getEndTimeBoundary())) {
                    return annotation;
                }
            }

            return null;
        }
    }

    //end of SubtitleViewerMouseListener
}